八年级英语下册第八单元语法

八年级下册英语第八单元教案3篇八年级下册英语第八单元教案篇1教学目标一、知识与技能1. 复习、巩固表示委婉请求和应答的句型。

2. 培养阅读理解能力。

3. 完成相关练习。

二、过程与方法将抽象知识具体化，帮助学生总结规律，系统地学习语法。

调动学生的积极性，引导他们积极参与课堂。

三、情感态度与价值观认识到做家务的意义和重要性，养成常做家务的好习惯。

教学重点复习、巩固表示委婉请求和应答的句型。

教学难点培养阅读理解能力。

教法导航通过大量练习让学生主动掌握语法知识。

学法导航练习、讨论、主动探求规律。

教学准备多媒体。

教学过程Step 1 GreetingsGreet the students as usual.Step 2 A GameShow a list of chores on the blackboard：do the dishes clean your roomtake out the trash sweep the floorfold your clothes make your bedGive them a set of blank cards.T：Let’s play a game. You will work in groups of four. First each group writes the chores on the cards. Put them face down. The first student turns over a card，and asks the student next to him/her to do this chore. That student says “no” and gives a reason. Each student should give a reason that has not been given before. The one who can’t give a proper reason will be out of the game. Those who can keep coming up with reasons will be the winner.Step 3 Role playAsk some pairs to role play the dialogue in 2d.Step 4 PresentationSay：As we all know，Mother does almost all the housework in the house. She is always tired. Should we help Mother What we can do to help her Ask some students to report their answers.Step 5 ReadingSay：Now let’s read an article about Nancy and her mother. Please read quickly and answer the questions：1. Why was Nancy’s mom angry with her 2. Did they solve the problem HowThen ask some students to report their answers.Now let’s read the sentences in 3b，try to understand andtranslate them. Then read the passage again carefully and try to underline the sentences from the reading that mean the same thing. After several minutes， ask some students to report their answers and translate the sentences into Chinese.Step 6 Language points1. You watch TV all the time and ...all the time(在该段时间内)一直;向来，一向;时时刻刻;每时每刻e.g. I do this all the time. 我一直是这么做的。

人教版八年级下册英语第8单元单词、短语、句型、书面表达！Unit8 Is there a post office near here?Unit 8单词（含音标）post [pəʊst] n.邮局office ['ɒfɪs] n.办公室post office邮局police [pə'liːs] n.警察police station警察局hotel [həʊ'tel]n.旅馆;酒店restaurant ['restrɒnt] n.餐馆bank [bæŋk] n.银行hospital ['hɒspɪtl] n.医院street [striːt] n.大街pay [peɪ] v.&prep.付费near [nɪə] prep.在……附近across [ə'krɒs] adv. &prep.过;穿过across from prep.在……对面front [frʌnt] n.前面in front of在……前面behind [bɪ'haɪnd] prep.在……后面town [taʊn] n.镇;市镇around [ə'raʊnd]adv.&prep.到处;大约north [nɔːθ] n.北;北方adj.北方的along [ə'lɒŋ] prep.沿着go along(the street) 沿着(这条街)走turn [tɜː(r)n] v.转向，翻right [raɪt] adv.向右边;n.右边left [left] adv.向左边n.左边turn right/left向右/左转crossing ['krɒsɪŋ] n.十字路口neighborhood ['neɪbə(r)hʊd] n.街区;街坊spend [spend] v.花(时间、金钱等) spend time花时间climb [klaɪm] v.爬road [rəʊd] n.路often ['ɒfn; ' ɔːfn] adv.时时;经常air [eə] [er] n.空气sunshine ['sʌnʃaɪn] n.阳光free [friː]adj. 免费的enjoy [ɪn'dʒɒɪ] v.享受;喜爱enjoy reading喜欢阅读easily ['iːzəli] adv.容易地money['mʌni] n.钱【重点短语】1. near here 在这儿附近2. post office 邮局3. police station 警察局4. pay phone 付费电话5. on Bridge Street 在桥街6. across from 在…对面7. next to… 在…旁边8. between...and... 在…和…中间9. in front of… 在……前面10. behind… 在…后面11. on Center Street 在中心街12. far from … 远离…13. go along 沿着14. turn right/ left 向右/左转15. at the first crossing 在第一个十字路口16. on one’s left/right 在某人的左边/右边17. spend time (in) doing 花费时间做某事18. watch sb. doing sth. 看见某人正在做某事19. look like 看起来像20. love the clean air andsunshine 喜爱清新的空气和阳光21. the best things 最好的事情22. be free 免费的23.cross Center street 穿过中心街24. have to do sth. 不得不做某事25. a noisy neighborhood 喧闹的街区26.get to the library easily 很容易到达图书馆27. enjoy doing sth. 喜欢做某事28. go shopping 去购物29. be busy 忙的30. make the foods 做食物【重点句型】1.---Where are the pay phones? 付费电话在什么地方？---They’re between the post office and the library.在邮局与图书馆之间。

Unit8 Our Clothes复习学案：Topic 1 We will have a class fashion show.保护……使不受……由……制成/如此...以至... / 为了…检测：1. -What s do you wear? -Size L.2. The scarf is so [smu:ð] that I feel comfortable.3. This coat is so expensive that I can’t a it.4. There will be a [ˈfæʃn] show in our school tomorrow.5. If you want to (成功) , you must work hard.6. Few (顾客) bought things in his shop, so he closed his shop at last.7. I hope your [ˈbɪznəs] does well.8. Can you give me some advice on how to keep a little (slim).9. They are (讨论) how to design the style of the uniform.10. You look so [ˈhænsəm] when you wear the tie.1. I liked it so much that my father bought it for me.我非常喜欢它，我爸爸给我买的。

2.My old coats are so short that I want to buy some new ones.我的旧大衣太短了，我想买一些新的。

3.It's such a cool windbreaker that you should buy it at once.这件风衣真酷，你应该立刻买下它。

人教版八年级英语下册Unit8单元语法专练Ⅰ.按要求完成下列各题1．Joe has already finished reading the book.(改为否定句)Joe ________ ________ reading the book ________．2．I have heard of the interesting story.(改为一般疑问句，并作肯定回答)—________ you ________ of the interesting story?—________，I ________．3．Tim has taken a shower.(改为一般疑问句，并作否定回答)—________ Tim ________ a shower?—________，he ________．4．David watched the new TV play last night.(用already代替last night改写句子) David ________ ________ ________ the new TV play.5．We have collected lots of clothes for the children in the poor area.(对画线部分提问) ________ have you ________ for the children in the poor area?6．My aunt has lived in Shanghai for three years.(对画线部分提问)________ ________ your aunt ________ for three years?Ⅱ.用所给单词的适当形式填空1．The little boy ________(drink) some water, and he isn't thirsty now.2．I ________ already ________(clean) my room. Now it's very clean and tidy.3．My sister won't go to the cinema with me because she ________(see) the film before. 4．Cindy ________(buy) the book last month, and she ________(read) it twice. 5．—________ you ________(decide) which to buy?—No, not yet.6．I ________(not finish) doing my homework yet. I'm afraid I have trouble finishing it. III.单项填空()1.I ________ an invitation to the concert. I can't wait to go.A．receive B．will receiveC．was receiving D．have received()2.Sarah ________ many places of interest in Beijing already.A．visited B．has visited C．will visit D．visits()3.—It's said all the train tickets during the holidays were sold out.—Don't worry. I ________ two for us.A．get B．got C．have got()4.—When will you give the novel back to me?—Sorry, I ________ it. How about Friday?A．didn't finish B．won't finish C．haven't finished D．don't finish()5.—What do you think of your junior school life?—It ________ some sweet memories in my heart in the past three years.A．leave B．left C．has left D．will leave()st year our class set up Reading Corner. So far, we _____ more than 200 books.A. were readingB. have readC. will read()7.—What do you think of your hometown, Kate?—It ________ a lot. It's more beautiful than before.A. has changedB. changesC. will changeD. changeIV.完形填空（一）Have you ever read the novel The Adventure of Tom Sawyer? Have you ever 1to a place called Hannibal? Every July, visitors from all over the world①come to Hannibal, Missouri, for a special event National Tom Sawyer Days. The event celebrates the great writer who was named Mark Twain. Mark Twain spent his childhood 2 Hannibal, living there for about 10 years, and his creation was 3 little naughty boy-Tom Sawyer.The event is great fun. Among the many interesting contests, 4 one is the national Fence Painting Contest. Where does this contest come from? Of course, 5 comes from the famous story "Tom Sawyer Paints the Fence".Many states in the USA 6 the fence （篱笆）painting contests throughout the year and send their winners to Hannibal for the national Fence Painting Contest. Ten to thirteen-year-old "Tom Sawyers" are judged on three parts：first, the clothes they wear；second, how fast they paint the fence；third, how well they paint. The winner will get a trophy（奖品）. 7 is very excited while watching the event.Besides the Fence Painting Contest, there is another interesting event—the Tom and Becky Contest. The contest is open only for middle school students. The students 8 pass two exams. You see, being a Tom or Becky is not easy.____9 the story of Tom Sawyer is fictional, it’s based on② the fact and it brings a lot of fun. If you go to Hannibal you'll see the white fence which still stands 10 Twains boyhood home（）1. A. go В. went C. been D. gone （）2. A. for B. on C. with D. in（）3. А. а B. an C. the D. /（）4. A. famous B. more famous C. the more famous D. the most famous （）5. A. it B. it's C. its D. itself（）6. A. held B. hold C. has held D. are holding（）7. A. Somebody B. Anybody C. Everybody D. Nobody（）8.A. can B. must C. may D. need（）9. A. But B. So C. As D. Although（）10. A. in front B. in the front C. in front of D. in the front of●难点释疑①all over the world 意为“全世界；世界各地”，相当于around the world 或throughout the world，如：The Great Wall attracts visitors from all over the world. 长城吸引了来自世界各地的游客。

人教版八年级下册英语八单元知识点至于什么消费都想到可以买几本书，看起来很爱知识，却是一个非常坏的思维，被它麻醉的人，结局就是很恶俗地以为自己很脱俗。

下面小编给大家分享一些人教版八年级下册英语八单元知识，希望能够帮助大家，欢迎阅读!人教版八年级下册英语八单元知识1【重点词组】1.on page 25 在第25页2. the back of the book 书的背面3. hurry up 赶快;匆忙. in two weeks 在两周之内5. go out to sea 出海6. an island full of treasures 一个满是宝藏的岛屿7. w rite about 写作关于……的内容8. finish doing sth. 做完某事9. w ait for another ship 等待另一艘船到来10. learn to do sth. 学会做某事11. grow fruits and vegetables 种水果和蔬菜12. a few weeks ago 几个星期前13. the marks of another man’ s feet 另一个人的脚印14. not long after that 不久之后15. run towards sp. 跑向某地16. use...to do sth. 用……来做某事17. signs left behind by someone 某人留下的标记18. read the newspaper 看报19. science fiction 科幻小说20. can’ t w ait to do sth. 迫不及待地做某事21. a good way to wake up 醒来的一个好办法22. number of people 人数23. used to do sth. (过去)常常做某事24. study abroad 在国外学习25. make sb. do sth. 使某人做某事26. come to realize 开始意识到27. ever since then 自从那时起28. the southern states of America 美国的南部地区29. belong to 属于30. be kind to each other 善待彼此31. trust one another 互相信任32. the beauty of nature 大自然的美33. have been to sp. 去过某地34. do some research on sth. 对……做研究35. hope to do sth. 希望做某事36. see sb. do sth. 看到某人做某事37. the firs t line in the song歌曲的第一行38. enjoy success in享受……的成功39. at the end of the day傍晚的时候人教版八年级下册英语八单元知识2【重点句型】1.— Have you read little Women yet? 你读过《小妇人》吗? — Yes,I have. /No,I haven't. 是的，我读过。

Section A 单词treasure n.珠宝；财富island n.岛page n.（书刊或纸张的）页，面，张hurry v.匆忙；赶快ship n.船tool n.工具gun n.枪；炮mark n.迹象；记号；分数v.做记号；打分sand n.沙滩；沙towards prep.朝；向；对着land n.陆地；大地fiction n.小说technology n.科技；工艺French n.法语classic n.经典作品；名著due adj.预期；预定cannibal n.食人肉者短语full of满是……的；（有）大量的；（有）丰富的put…down把……放下hurry up赶快；急忙（做某事）science fiction科幻小说（或影片等）lose one’s life失去生命句型1.—Have you read Little Women yet？你读过《小妇人》吗？—Yes，I have./No，I haven’t.是的，我读过。

/不，我没有读过。

2.—Has Tina read Treasure Island yet? 蒂娜读过《金银岛》吗？—Yes, she has. She thinks it’s fantastic.是的，她读过。

她认为这本书句型1.Listening to The Toms is a good way to wake up.听汤姆乐队的音乐是让人清醒的一种好方法。

2.When Sarah was a teenager，she used to fight over almost everything with her family.当萨拉还是一个青少年时，她以前几乎每件事都要和家人争吵。

3.Many songs these days are just about modern life in the US，such as the importance of money and success，but not about belonging to a group.如今的许多歌曲仅仅涉及美国的现代生活，例如金钱和成功的重要性，而与群体归属感无关。

U n i t1W h a t’s t h e m a t t e r 一、询问某人的健康问运及遭到麻烦的表达方法1询问某人患了何种疾病或遇到了何种麻烦时;常用以下几种结构来表达：What’s the matter with sb．某人怎么了What’s wrong with sb．某人怎么了What’s the trouble with sb．某人出什么事了What happened to sb．某人发生了什么事Are you OK你没事吧Is there anything wrong with sb. 某人有什么事吗(2)要表达身体疼痛或不舒服;可用以下结构：①某人+have/has+病症．The twins have colds．双胞胎感冒了..某人+have/has+a+headache/toothache/stomachache/backache/earache.She had a stomachache last night．她昨晚肚子痛..③某人+have/has+a+sore+发病部位． He has a sore throat．他喉咙痛..④某人+hurts+身体部位或反身代词． He hurt his leg.他的腿受伤了..⑤某部位+hurts.My head hurts badly．我头痛得厉害..⑥某人+have/has+a pain+in one’s+身体部位; I have a pain in my chest．我胸口痛..⑦There issomething wrong with one’s+身体部位．There is something wrong with my right eye．．我的右眼有毛病..⑧其他表达方式She has a heart trouble．她有心脏病..He got hit on the head他头部受到了撞击..She cut her finger．她割破手指了..二情态动词should的用法1．Should为情态动词;意为“应该；应当”;否定式为shouldn’t;其后接动词原形;无人称和数的变化..常用来表示征询意见、建议、劝告、要求或义务等.. You should drink hot water with honey．你应该喝加有蜂蜜的开水..He should put his head back他应该把头后仰..We should try our best to help him.我们应当尽力去帮助他.. You shouldn‘t watch TV.你不应该看电视..2．Should用于主语为第一人称的疑问句;表示征询意见.. Should I put some medicine on it 我应当给它敷上药吗 Should we tell her about it我们应该告诉她这件事吗拓展在英语中;表示建议的说法有很多;而且都是中考考查的重点..主要结构有：①Would you like to do sth．你想要／愿意做某事吗Would you like to play basketball with me你想要和我一起打篮球吗②Shall I/we do sth 我／我们做好吗Shall we go to the zoo tomorrow明天我们去动物园;好吗③Why not do sth 为什么不呢Why not join us为什么不加入到我们当中来呢④How/What about doing sth 做某事怎么样 How about going swimming去游泳怎么样⑤Let’s do sth让我们做吧.. Let’s go home．咱们回家吧..⑥You’d better not do sth你最好不要做某事..You’d better not go there alone．你最好不要一个人去那儿..Unit 2 I'll help clean up the city parks动词不定式A. 作主语——为避免句子的头重脚轻;常用it作为形式主语;而真正的主语动词不定式后置..常用句型：It +be+adj./n.+for/of sb. to do sth./It takes sb. some time to do sth.B. 作宾语——动词want; decide; hope; ask; agree; choose; learn; plan; need; teach; prepare…常接动词不定式作宾语..C. 作后置定语——常用于“have/has＋sth.＋to do”或“enough＋名＋to do”“It’s time to do sth.”等结构中..D. 作宾语补足语——tell; ask; want; invite; teach; like; call等可接带to的动词不定式作宾语补足语;构成tell/ask/want /call/invite sb. to do sth.结构..“一感feel;二听listen to; 注意动词不定式作使役动词和感官动词的宾语补足语时应省去to：hear;三让let; make; have;;四看look at; see; watch; notice;半帮助help”..E. 动词不定式作状语主要用来修饰动词;表示目的;结果或原因..为了强调目的;有时可以把动词不定式放在句首;或在不定式前加in order to 或so as to “为了;目的是”..常用结构有too + adj./adv. + to do sth.等..F. 固定句式中动词不定式的用法常见的形式有：had better not do sth./Would you like to do sth./Why not do sth./Would you please not do sth.等..Unit 3 Could you please clean your roomCould you please...句型1请求别人时通常用此句型;也可以说：Can you...please情态动词could或can在这里均表示请求;在意思上无区别;但是用could在于其上显得更委婉、客气、诚恳..在日常生活中常使用could you/I...若在句末加上please;则显得更礼貌..Could you help me find my book;please你能帮我找到我的书吗（2）对could you/I...的问句作出肯定回答;常用“sure/certainly/of course”等；如果作否定回答;常用“sorry或oh;please don’t”.. 一般不用no开头;用no显得语气生硬、不礼貌..（3）表示请求的句式：Would you like to do... Would you mind doing... Let’s do.... Shall I/we do... Please do...祈使句前加please提示：could you please...与could I Please...两种问句;前者是请求别人帮忙的句式;后者是有礼貌地向别人请求允许的交际用语..试比较：Could you please help me请你帮我一下好吗Could I please invite my friends to my birthday party;Mom 妈妈; 我能邀请我的朋友参加我的生日聚会吗Unit 4 Why don't you talk to your parents1.提建议向别人发出邀请;请求;建议;或征求某人的意见的其他表达方式：How /what about doing sth.about是个介词;可跟名词或动名词“…怎么样”You’d better not do something.“你最好不做某事”Would you like sth …:“你想要某物Let s do sth…What should I do … should表示请求、征询对方意见2.学会谈论问题和学会用why don't you…提建议向别人发出邀请;请求;建议;或征求某人的意见的表达方式：Why don t you do something =Why not do something 你为什么不做某事呢来表示请求、征询对方意见３．until; so that ;although引导的状语从句：1until：在带有till或until引导的时间状语从句里;如果主句用肯定式;其含义是“一直到……时”;谓语动词只能用延续性动词..如果主句用否定式;其含义是“直到……才……”; “在……以前不……”; 谓语动词可用瞬间动词..Don t get off until the bus stops.2so that引导目的状语从句为了;以便例如：He studies hard so that he could work better in the future3although的用法意思相当于though尽管;虽然;引导让步状语从句..引导的从句不能与并列连词but;and; so等连用;但可以和yet; still等词连用.. 例如：Although he was tired; he went on working.尽管他很累;但是他继续工作..Unit 5 What were you doing when the rainstorm came过去进行时1. 基本概念：过去进行时表示在过去某一时刻或一段时间内正在进行的动作..这一特定的过去时间除有上下文暗示以外; 一般用时间状语来表示..2.结构 was / were not + 动词-ing3.句式肯定式：I/He/She/It was working. We/You/They/ were working.否定式:I/He/She/It was not working.We/You/They/ were not working.疑问式和简略回答:Was I working Yes; you were. No; you were not. Were you working Yes; I was. No; I was not. Was he/she/it working Yes; he/she/it was. No; he/she/it was not. Were we/you/they working Yes; you/we/they were. No; you/we/they were not. 注：1 was not常缩略为wasn’t; were not常缩略为weren’t..2 一般过去时与过去进行时用法的比较: 一般过去时表示在过去某个时间发生过的动作或存在的状态; 而过去进行时则表示在过去某一时刻或某一段时间正在进行的动作.. 例如: David wrote a letter to his friend last night. 大卫昨晚给他的朋友写了封信..信写完了..David was writing a letter to his friend last night. 大卫昨晚一直在给他的朋友写信..信不一定写完..4.过去进行时中的when和whilewhen; while 区别：1)由when引导的时间状语从句;主句用过去进行时;从句应用一般过去时；由while引导的时间状语从句;主句用一般过去时;从句应用过去进行时..When the teacher came in; we were talking.当此句改变主从句的位置时;则为： While we were talking; the teacher came in. 2如果从句和主句的动作同时发生;两句都用过去进行时的时候;多用while引导..如：They were singing while we were dancing.Unit 6 An old man tried to move the mountains1. unless引导条件状语从句unless = if … not ―除非;若不They will go tomorrow unless it rains.= They will go tomorrow if it doesn’t rains.2. as soon as引导时间状语从句.. ―……就He will come and see you as soon as he can.3. so.......that引导结果状语从句句型1：主语+谓语+so+形容词/副词+that从句The wind was so strong that we could hardly move forward.句型2： so +形容词 + a/an + 单数名词 + that从句It was so hot a day that they all went swimming.句型3. so + many/ few + 复数名词 + that从句He has so few friends that he often feels lonely.句型4： so +much/ little + 不可数名词 + that 从句I had so little money that I couldn’t buy a pen.Unit 7 What’s the highest mountain in the world形容词副词的原级、比较级和最高级一原级句型：1. A is as+原级+ as+ B 表示A 与B一样…eg: He is as tall as me.2.A is not as/so +原级+ as B表示A不如B…eg:He is not as tall as me.3.只能修饰原级的词;very;quite;so;too;so; enough; pretty等例如;He is too tired to walk on.他太累了以至于不能再继续走了..（二）比较级句型可以修饰比较级的词;much;a lot;far;…的多a little;a bit;…一点儿 even甚至;still 仍然Eg. Lesson One is much easier than Lesson Two.第一课比第二课容易得多.. Tom looks even younger than before.汤姆甚至比以前更年轻..1.当句中有than 时则用比较级.. eg: He is fatter than me.2．当句子中的比较对象为两者时用比较级：“特殊疑问词+be+形容词比较级;A or B ”eg: Which is bigger;the earth or the moon 哪一个大;地球还是月球3. “比较级+and+比较级”表示“越来越……”..eg.The flowers are more and more beautiful.花儿越来越漂亮..加more构成比较级的形容词则用more and more +形容词表示越来越…eg: English is more and more important.4.“the+比较级;the+比较级”表示“越……;越……”..Eg. The more careful you are;the fewer mistakes you’ll make.5.“A+be+the+形容词比较级+of the two+……”表示“A是两者中较……的”..Eg.Look at the two boys. My brother is the taller of the two.6.A+be+形容词比较级+than+any other+单数名词+介词短语”表示“A比同一范围的任何一个人/物都……”;含义是“A最……”..Eg. The Yangtze River is longer than any other river in China.=The Yangtze River is the longest river in China.三最高级常用句型结构1．“主语+be+the+形容词最高级+单数名词+in/of短语”表示“……是……中最……的”.. eg：Tom is the tallest in his class./of all the students.This apple is the biggest of the five.2．“主语+be+one of the+形容词最高级+复数名词+in/of短语”表示“……是……中最……之一”..Eg：Beijing is one of the largest cities in China.3．“特殊疑问词+be+the+最高级+A;B;or C ”用于三者以上eg Which is the biggest The moon;the sun or ths earth4.“the +序数词+最高级+单数名词+范围”..表示…是第几大…eg: The Yellow River is the second longest river in China .注意形容词最高级之前要加the;但当最高级之前有形容词性物主代词或名词所有格时则不用加theeg: He is the best student in my class. He is my best friend.（四）形容词副词的规则与不规则变化规则变化1.一般在词尾直接加er或est;例如;tall-taller-tallest;long-longer-longest2.以不发音的字母e结尾的单词在词尾直接加r或st;例如;nice-nicer-nicest3.以辅音字母+y结尾的词;把y变为i;再加er或est;例如;heavy-heavier-heaviest4.重读闭音节;末尾只有一个辅音字母;双写这个辅音字母;再加er或est;eg. big-bigger-biggest5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级;例如;slowly-more slowly-most slowly；beautiful- more beautiful-most beautiful 不规则变化Unit 8 Have you read Treasure Island yetUnit 9 Have you ever been to a museum现在完成时 Present Perfect Tense1表示过去发生或已经完成的动作对现在造成的影响或结果..—It’s so dark. 太黑了..—Someone has turned off the light. 有人把灯关上了..2表示从过去某一时间开始并一直持续到现在的动作或状态..常与since+过去的时间点;for+一段时间;since+时间段+ego; so far等时间状语连用.. Eg. I have lived here for ten years.我已经住在这里10年了..从10年前开始;持续到现在还住这儿Eg. I have lived here since 2003. 自从2003年我就住在这儿..从2003年开始;持续到现在还住这儿3 基本结构及句型转换：主语+have/has+过去分词done 当主语是第三人称单数has;其余人称用have..①肯定句：主语+have/has+过去分词+其他 I have finished my homework. 肯定句②否定句：主语+have/has+not+过去分词+其他 I have not finished my homework. 否定句③一般疑问句：Have/Has+主语+过去分词+其他—Have you finished your homework—Yes; I have. / No; I haven’t; 一般疑问句及肯定、否定回答4has gone to; has been to; has been in 的区别Have/Has goneto :去了现在不在说话现场Eg. ---Where is your father---He has gone to Shanghai.Have/Has been to :去过已不在去过的地方Eg. My father has been to Shanghai.Have/has been in：呆了多久还在所呆的地方Eg. My father has been in Shanghai for two months. =My father has been in Shanghaisince two months ago.5现在完成时的标志：①常与just; already; yet; ever; never; before; so far 等连用;强调动作的完成;不强调动作的持续..Have you ever been to Japan I have just finished my homework.②for + 时间段；since + 过去的时间点；since + 段时间 ago；since + 一般过去时的句子..They have known each other for five years. Since he was a child; he has lived in England.（6）动词过去式和过去分词的变化规则变化： 1. 一般在动词词尾直接加ed..如：pick → picked → picked; wish →wished → wished; stay → stayed → stayed2. 以不发音的e结尾的动词后面加d..如：like → liked → liked; hope → hoped →hoped; phone → phoned → phoned3. 以―辅音字母 + y‖结尾的动词;变y为i;再加-ed..如：study → studied → studied; hurry → hurried → hurried; reply → replied → replied4. 词尾只有一个辅音字母的重读闭音节动词;要双写辅音字母;再加-ed..如：stop →stopped → stopped; clap → clapped → clapped不规则变化：5.以不变应万变..如：let → let → let; put → put → put; read → read → read6. 若中间有双写e;则去掉一个e;单词末尾再加t..如：feel → felt → felt; keep → kept → kept; sleep → slept → slept7. 结尾的字母d变t..如：lend → lent → lent; build → built → built; send →sent → sent8. 变为以-ought或-aught结尾..如：buy → bought → bought;bring → brought → brought; catch → caught → caught; teach → taught →taughtUnit 10 I've had this bike for three years.短暂性动词buy; die; join; finish等不能直接与for; since 连用; 需要改变动词..1）beginstart--be on2 open--be open3)become--be4)die--be dead5) fall asleep-- be asleep6)close -- be closed7)end/ finish---be over8) put on--wear9)leave-- be awayfrom 10)catch a cold--have a cold11)join the army--in the army/be a soldier12)borrow---keep13)join the party-- be in the party/ be a party member14) buy---have15come/go/ arrive/reach/get /move to---be in /at总结：1.现在完成时表示过去发生的动作对现在造成的影响和结果；2.还可以表示过去发生的动作;一直持续到现在;也有可能持续下去.3..一般情况下;for+时间段； since+过去的时间点；since + 段时间 ago；since + 一般过去时的句子4.句型：现在完成时态have/has+延续性动词的过去分词+ for/ since...。

人教版八年级下英语unit8.9.10单元现在完成时讲解和练习现在完成时（I）第八单元语法知识定义：（1）表示过去发生或已经发生的动作对现在造成的影响或结果,这个影响和结果对现在还必须存在.常与already(已经), yet(已经,还), just(刚刚),ever(曾经)，never等词连用already : 常用于肯定句或疑问句（均表示：已经）. yet: 常用于否定句(表示：还、尚),疑问句末尾（表示：已经）.现在完成时的构成及句型结构：（注：过去分词的变化分规则变化与不规则变化，规则变化与动词原形变过去式一样，不规则变化见教材1.肯定句：主语+have/has+过去分词+其他+时间.2.否定句：主语+haven’t/ hasn’t+过去分词+其他+时间.3.一般疑问句：Have/Has+主语+过去分词+其他+时间？肯定回答：Yes, 主语+have/ has. 否定回答：No, 主语+haven’t/hasn’t.4.特殊疑问句：特殊疑问词+have/has+主语+过去分词+其他+时间？定义：(2)表示从过去开始一直持续到现在还有可能继续持续下去的动作或状态。

(3) 现在完成时与一般过去时的区别：现在完成时属于现在时态的范围，不能和表示过去的时间状语连用，如yesterday,last night, three weeks ago, in2019等.一般过去时只表示过去的动作或状态，和现在不发生关系。

一般过去时可以和表示过去的时间状语连用.例题：1. _____ you ________(clean) the room? Yes, we__________(do) that already.2. When _______ you ______(do) it? We _______(do) it an hour ago.3. ______ he ______(see) this film yet? Yes, ______________4. When _____ he _____(see) it? He______ it last week.5. I _______ (read) the novel twice. It’s interesting.6. Mr. Chen _________(give)up smoking last year.7----. She _____(go) to Pairs, hasn’t she?---Yes,_______ How ____ she ____(go) there? She ____(go) there by air.现在完成时（II）第九单元语法知识1. 构成：含有be动词的现在完成时的谓语部分由“have/has+ been+ to+地点”构成，表示：曾经去过某地…(been是be的过去分词，不规则变化)2. 基本句型：(1)肯定句：主语+have/has+ been+ to+地点.(2)否定句：主语+haven’t/hasn’t+ been+ to+地点.(3)一般疑问句：Have/Has+主语+been + to+ 地点？肯定回答：Yes, 主语+ have/has. 否定回答：主语+haven’t/ hasn’t.（4）特殊疑问句：特殊疑问词+have/has+ 主语+ been?eg: Where have you been?3.用法：用来表示之前已经发生和完成度的动作与状态，其结果却和现在有联系.动作和结果发生在过去，但它的影响现在还在.可以和never, ever, once, twice, three/four…times 等副词连用.eg: They have been to Chongqing twice.I have never been to Sichuan.Has she ever been to Hainan?3. 区别：(1). have/ has been to+地点表示：曾经去过某地，已经回来了(2). have/ has gone to+地点表示：去了某地，还没有回来eg: She has been to Shanghai. （她去过上海，已经回来了）She has gone to Shanghai. （她去了上海，还没有回来）(3). have been in表示“在某地呆了多少时间”，常与时间段状语连用eg: I have been in Shanghai for three years．我到上海已有三年了。