七年级下册英语各单元知识点归纳
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人教版七年级下册英语第一单元各单元知识点归纳Unit 1 Can you play the guitar?◆短1. play the guitar 吉他2. play chess 下国象棋3. play the violin 拉小提琴4. English club 英俱部5. talk to 跟⋯6. speak English 英7. play the piano 琴8. play the drums 敲鼓9. make friends 交朋友10. do kung fu (中国 ) 功夫11. tell stories 故事12. play games 做游13.on weekends 在周末◆用法集萃1. play the + 西洋器/拉⋯⋯器2. play + 棋 /球下⋯⋯棋,打⋯⋯球3.be good at doing sth.= do well in doing sth. 擅做某事4.be good with sb. 和某人相地好5.need sb. to do sth. 需要某人做某事6.can + 原形能/会做某事7.a little + 不可数名一点儿⋯⋯8.join the⋯club加入⋯ 俱部9. like to do sth. =love to do sth.喜/喜做某事◆ 写作Dear Sir,I want to join your organization ( ) to help kids with sports, music and English. My name is Mike. I am 15 years old. I ’m a student in No. 1 Middle school. I can play the guitar well. I can sing many songs. I can swim and speak English well, too. I think I can be good with the kids. I also do well in telling stories.I hope to get your letter soon.。
. .人教版七年级下册英语各单元知识点大归纳Unit 1 Can you play the guitar?◆短语归纳play the guitar 弹吉他play the piano 弹钢琴play the trumpet吹喇叭play the drums 敲鼓play chess 下象棋speak English 说英语speak a little English 说一点英语say it in English 用英语说它join the art club 加入艺术俱乐部join the basketball club加入篮球俱乐部join the swimming club加入游泳俱乐部what club 什么俱乐部play the guitar well 弹吉他弹得好be good with sb和某人相处的好··擅长········对······有益处be good at·be good for·help sb with sth / doing sth帮助某人干某事help kids with swimming帮助孩子们游泳do Chinese kung fu表演中国功夫be in参加,加入call sb at + 电话号码给某人打电话拨打···号have an e-mail address 有电子邮件的地址rock band 摇滚乐队a little 一点(后接不可数名词)in the music room 在音乐教室里show sth to sb = show sb sth 把某物给某人看on the weekend/on weekends 在周末◆用法集萃1. play +棋类/球类下……棋,打……球2. play the +西洋乐器弹/拉……乐器3. be good at doing sth.= do well in doing sth. 擅长做某事4. be good with sb. 和某人相处地好5. need sb. to do sth. 需要某人做某事6. can + 动词原形能/会做某事7. a little + 不可数名词一点儿……8. join the …club加入…俱乐部9. like to do sth. =love to do sth. 喜欢/喜爱做某事10. Want sb. to do sth 想要做某事◆语法can 能;会;可以【用法】它本身有一定的含义,没有人称和数的变化,但不能单独作谓语,要和动词原形一起构成谓语。
实用文档Unit 1 Can you play the guitar?语言点梳理一、语法:情态动词:有一定意义,表示说话人的语气或情态,但不能单独作谓语,只能和其他动词原形一起构成谓语,没有人称和数的变化。
否定形式是在情态动词后面加上 not 。
变一般疑问句要把情态动词提到句子的开头,即:情态动词 +主语 +动词原形 +其他?1.肯定句: He/She/I/We/They/You/Tom+ 情态动词 can+动词原形 .2.否定句: He/She/I/We/They/You/Tom+ 情态动词 can+not+ 动词原形3.一般疑问句:情态动词 can+ He/She/I/We/They/You/Tom+ 动词原形?Yes,主语 +can./No ,主语 + can ’t.1)表示能力,“会;能”。
eg: Can you dance? 你会跳舞吗?2)表示请求或许可,“可以”。
eg: Can I ask you a question?我可以问你一个问题吗?1. play the guitar/piano/violin/drums弹吉他/钢琴/小提琴/敲鼓play chess下象棋play sports做运动play soccer/basketball踢足球、打篮球(乐器名称前加the, 球类名称前不加 the)2. join the art club 加入艺术俱乐部 /swimming club sportsclub 运动俱乐部 /story telling club English club/ artclub/ music club 游泳俱乐部讲故事俱乐部join v.参加,加入指加入某个团体,组织,群体,并成为其中的一员。
want to join ?你想加入什么俱乐部?I want to join the swimming club.=I want to be in the swimming club.take part in参加,加入某项活动,并在其中其积极作用。
人教版七年级英语下册单元知识点总结(全册)Unit 1 Can you play the guitar?一短语归纳1.speak English/Chinese 说英语/汉语2. what club /sports什么俱乐部/运动3.play the guitar/ piano/drums/ violin 弹吉它/弹钢琴/敲鼓/拉小提琴4. play chess/ basketball/ volleyball/ soccer 下国际象棋/ 打篮球/排球/足球5.tell stories讲故6. the art/chess/swimming/sports/ story telling/English club艺术/国际象棋/游泳/体育/讲故事/英语俱乐部7.school show 学校演出8.sound good听起来不错9.teach music 教音乐10.do kung fu练(中国) 功夫11.make friends(with sb.)(结交朋友)12.on the weekend/on weekends在周末e and show us来给我们表演15.write stories写故事16.after school放学后17.English-speaking students说英语的学生18.play games 做游戏19.the Students’ Sports Center学生运动中心20.at the old people’s home在老人之家21.be in our school music festival 参加学校音乐节22.jion the music club加入音乐俱乐部二用法集萃1. play +棋类/球类下……棋,打……球2. play the +乐器弹/拉……乐器3. be good at doing sth.擅长做某事be good for.. 对… 有好处be good /kind to … 对… 友好4. be good with sb. 和某人相处地好; 善于应付(处理)…5. need(sb./sth.)to do… 需要(某人/某物)做….6. can + 动词原形能/会做某事7. a little + 不可数名词: 一点儿……9. like to do sth.或like doing sth. 喜欢做某事10.want to do…想做……11.What about…?…怎么样?(后面接Ving/代词/名词)12. talk用法: talk to/with sb. 跟某人说话talk about sth. 谈论某事tell 用法:tell sb sth. 告诉某人某事tell sb to do sth 告诉某人去做某事tell stories 讲故事say用法:say直接加说话的内容/itspeak用法:speak +语言13.help sb. with sth在某方面帮助某人= help sb.(to)do sth14.be free /busy有空/很忙15. call sb. at+号码拨打某人的……号码16. be in=join …成为…中的一员(P6)17.want …for the school show为学校表演招聘……三典句必背1. Can you draw? 你会画画吗?Yes, I can. / No, I can’t.是,我会。
七年级下册英语单元知识点归纳七年级下册英语教材是基础阶段的一部分,学习内容相对简单易懂,旨在让学生掌握基础的英语知识,为后续的学习打下坚实的基础。
本篇文章将围绕七年级下册英语单元知识点,进行详细的归纳总结。
一、Unit 1 - My School本单元主要介绍了学校的各种场所和设施,如图书馆、教室、礼堂、食堂等,涉及到了与之相关的英语表达方式。
其中,通过学习本单元,学生可以掌握以下知识点:1. 掌握有关学校的英语词汇,例如:library, classroom, auditorium, cafeteria等。
2. 学会询问和回答时间的方法,例如:What time is it? It's.../ When do we have...? We have...at...3. 学会询问和描述地理位置的方法,例如:Where is the library? It's on the third floor.二、Unit 2 - This is My Family本单元主要介绍了家庭成员和家人的职业,帮助学生更好地了解家庭及家庭人员的英语表达方式。
具体内容包括:1. 掌握谈论家庭成员及其职业的英语表达,例如:father, mother, sister, brother, doctor, teacher, student等。
2. 学会用英语描述家庭成员的个性特点,例如:My sister is kind.3. 学会用英语询问和描述时间和地点,例如:When do we have breakfast? Where is the park?三、Unit 3 - At a Music lesson本单元主要涉及有关音乐课的英语表达方式,帮助学生了解一些基础的音乐相关知识和英语词汇。
具体内容包括:1. 学会用英语描述节奏、速度和音高的含义,例如:slow, fast, high, low等。
2. 学会用英语询问和描述时间和地点,例如:When do we have music lesson? Where is the music room?3. 掌握有关音乐器材的英语词汇,例如:piano, guitar, drum等。
11, 情态动词+V 原 can do= be able to do 2, Play+ the+ 乐器乐器 乐器类+the +球类,棋类球类,棋类3, join 参加社团、组织、团体参加社团、组织、团体join sb in doing sth 加入到某人中加入到某人中join sb for sth 加入加入..做某事做某事 非乐器类非乐器类 4, 4个说的区别:个说的区别: say+内容内容speak+语言语言talk 谈论谈论 talk about sth talk with sb talk to sb tell 告诉,讲述告诉,讲述 tell sb (not )to do sth tell stories/ jokes 讲笑话/故事故事 5, want to do sth= would like +(sb )to do sth 想做某事想做某事6, 4个“也”的区别:too 肯定句末肯定句末 (前面加逗号)(前面加逗号) Either 否定句末(前面加逗号)否定句末(前面加逗号) Also 行前be 后 As well 口语中(前面不加逗号)口语中(前面不加逗号) 7, good be good at+ doing=do well in doing 擅长于擅长于 be good for 对…有益对…有益 (be bad for 对…有害)对…有害) be good to 对…友好对…友好 (good 可用friendly ,nice ,kind 替换)替换) be good with 和…相处好=get on/ along well with 8, How/ what about+V-ing …怎么样?(表建议) 9,感官动词(look, sound, taste, smell, feel )+adj/ like 10,选择疑问句:回答不能直接用Y es 或者No ,要从中选择一个回答,要从中选择一个回答 11,students wanted for school show (wanted 表示招募,含有被动意义)表示招募,含有被动意义) 12,show sth to sb=show sb sth give sth to sb=give sb sth 13, help help sb (to )do sth 帮助某人做某事帮助某人做某事help sb with sth 帮助某人某事帮助某人某事帮助某人某事 play play soccer/ basketball/volleyball/ football/tennis/badminton (英式足球(英式足球 / 篮球篮球 / 排球排球 / 英式足球,美式橄榄球/网球/羽毛球)play the guitar /the violin/the drums/the piano 2 ◆典句必背1. Can you draw? Yes, I ca n . / No, I can’t.n. / No, I can’t.2. What club do you want to join? I want to join the chess club. 3. You can join the English club. 4. Sounds good./That sounds good. 5. I can speak English and I can also play soccer. 6. Please call Mrs. Miller at 555-3721. ◆话题写作 Dear Sir, I want to join your organization (组织) to help kids with sports, music and English. My name is Mike. I am 15 years ol I’I’m a student in No. 1 Middle school. I can play the guitar well. I can sing many songs. I can swim and speak English we m a student in No. 1 Middle school. I can play the guitar well. I can sing many songs. I can swim and speak English we I think I can be good with the kids. I also do well in telling stories. I hope to get your letter soon. Y ours, Mike Unit 2 What time do you go to school? ◆短语归纳1. what time 几点几点几点2. go to school 去上学去上学3. get up 起床起床起床4. take a shower 洗淋浴洗淋浴5. brush teeth 刷牙刷牙刷牙6. get to 到达到达到达 7. do homework 做家庭作业做家庭作业做家庭作业 8. go to work 去上班去上班 9. go home 回家回家回家10. eat breakfast 吃早饭吃早饭吃早饭 11. get dressed 穿上衣服穿上衣服穿上衣服 12. get home 到家到家到家 13. either…or… 要么…要么… 14. go to bed 上床睡觉上床睡觉 15. in the morning/ afternoon/ evening 在上午/下午/晚上晚上 16. take a walk 散步散步 17. lots of=a lot of 许多,大量许多,大量 18. radio station 广播电台广播电台广播电台 19. at night 在晚上在晚上在晚上 20. be late for=arrive late for 迟到迟到 ◆用法集萃◆典句必背1. What time do you usually get up? I usually get up at six thirty. 2. That’s a funny time for breakfast.3. When do students usually eat dinner? They usually eat dinner at a quarter to seven in the evening. 4. In the evening, I either watch TV or play computer games. 5. At twelve, she eats lots of fruit and vegetables for lunch.. 1. at + 具体时间点具体时间点具体时间点 在几点(几分)在几点(几分)2. eat breakfast/ lunch/dinner 吃早饭/午饭/晚饭晚饭3. thirty\half past +基数词基数词 ……点半点半4. fifteen\a quarter to +基数词基数词 差一刻到……点5. take a/an +名词名词 从事……活动6. from …to … 从……到……7. need to do sth 需要做某事需要做某事14,busy : be busy doing sth/ be busy with sth 忙着做某事忙着做某事 15,need :need sb. to do sth. 需要某人做某事需要某人做某事 16,be free= have time 有时间有时间 17,have friends= make friends 交朋友交朋友交朋友 18,call call sb at +电话号码电话号码1. take… to …= go to … by…乘…去…2. How do / does (sb)get to …? …是怎样到…的?的?3. How far is it from … to …? 从…到…有多远?有多远?4. It takes sb. some time to do sth. 做某事花费某人多长时间。
人教版七年级下册英语知识点归纳总结人教版七年级下册英语知识点归纳总结是为了帮助学生系统地回顾和梳理七年级下册英语所学知识点。
通过本文档的阅读和学习,学生将能够更加清晰地理解和掌握这些知识点,提高自己的英语水平。
七年级下册的英语学习主要包括词汇、语法和句型的学习。
下面将按照这三个方面对各个单元的知识点进行归纳总结。
Unit1:Greetings问候语1.词汇:hello,hi,good morning/afternoon/evening,how are you,fine,thank you,you too等。
2.语法:be动词的用法,如I am,you are,he/she/it is等。
Unit2:School life学校生活1.词汇:classroom,teacher,student,desk,book,pen等。
2.语法:there is/are结构的用法,如There is a book onthe desk等。
Unit3:My friends我的朋友1.词汇:friend,boy,girl,tall,short,funny,smart等。
2.语法:形容词的比较级和最高级,如taller,funniest等。
Unit4:My family我的家庭1.词汇:father,mother,sister,brother,grandparents, uncle,aunt等。
2.语法:所有格的用法,如My father's name is John等。
Unit5:Time时间1.词汇:hour,minute,morning,afternoon,evening等。
2.语法:一般现在时的基本用法和特殊疑问句,如What time is it?等。
Unit6:Food and drinks食物和饮料1.词汇:apple,banana,juice,water,bread,milk等。
2.语法:可数名词和不可数名词的用法,如an apple,a glass of juice等。
译林版牛津英语七年级下册全册Unites1-8单元知识点及语法归纳一、重点词组、句型1、Would you like to live in the palace, Eddie? 埃迪,你想住宫殿里吗?①Would you like sth? 肯定答复: Yes, please. 否认答复: No, thanks.②Would you like to do sth? 肯定答复:Yes, I’d like/love to. 否认答复:I’d like/love to, but…2、There are twenty restaurants in town. 镇上有二十家餐馆。
There are about 8,000,000 people living in London. 大约有八百万人住在伦敦。
①表示某地有……,用there be 句型,谓语动词就近原那么。
There __________(be) an art room, a music room and two puter rooms in our school.②表示有事情要做,用there be sth to do。
Thereare lots of things ___________(see) in Beijing..③表示有某人正在做某事,用there be sb doingsth.。
On game shows, there are always famouspeople___________(talk) about their lives.3、I live in a town 15 miles from London. 我住在离伦敦15英里的一个镇上。
be far (away) from 离……远,但出现详细间隔时,不用farMy home is __________________from the school.My home is 5 kilometres ___________from the school.A. awayB. farC. closeD. next to4. have fun with sb./sth. 和某人/某物玩得开心have fun doing sth. 做某事很开心have(has/had) fun= have(has/had) a good time=enjo y(enjoyed) onself(myself/yourself/youselves……)5、I also have a bedroom of my own. =I also havemy own bedroom. 我也有自己的房间。
人教版七年级下册英语各单元知识点归纳 Unit 1 Can you play theguitar? ◆ 短 1. play chess下国 象棋 2. play the guitar 吉他 3. speak English 英 4. join the swimming club 参加游泳俱 部 5. talk to 主 跟 ⋯ 6. talk with 与⋯ 7. play the piano 琴 8. play the drums 敲鼓 9. make friends with 与朋友 10. do kung fu (中国 )功夫 11. tell stories=tell a story 故事 12. play games做游 13. on the weekend/on weekends 在周末 14 want to do 想要去做 15 music(音 ) -musician(音 家) ◆用法集萃 1. play +棋 / 球 下 ⋯⋯棋,打 ⋯⋯球[不戴帽子 ] 2. play the + 器 / 拉⋯⋯ 器 [戴帽子 ] 3. be good at doing sth.= do well in doing sth.擅 做某事 4. need sb. to do sth.需要某人做某事 5. be good with sb.和某人相 地好 be good for 有利于
1 / 22 6. can + 原形能 /会做某事 [can 是照妖 ] 7. a little +不可数名 一点儿 ⋯⋯ 8. join the⋯加club入⋯俱 部; 9. like to do sth. =love to do sth.=like doing=enjoy doing喜 / 喜 做某事 come to my school
◆ 典句必背 1. Can you draw?Yes, I can. / No, I can ’ t. 2. What club do you want to join? I want to join the chess club. 3. You can join the English club. 4. Sounds good./That sounds good. 5 What can you do? 6. I can speak English and I can also play soccer. 7. Please call Mrs. Miller at 555-3721. 8.tell sb (not)to do告 某人(不)要去做某事。
七年级英语下册知识点总结Unit 1 Dream homes一、重点词组、句型1、Would you like to live in the palace, Eddie? 埃迪,你想住宫殿里吗?①Would you like sth? 肯定回答:Yes, please. 否定回答:No, thanks.②Would you like to do sth? 肯定回答:Yes, I’d like/love to. 否定回答:I’d like/love to, but…2、There are twenty restaurants in town. 镇上有二十家餐馆。
There are about 8,000,000 people living in London. 大约有八百万人住在伦敦。
①表示某地有……,用there be 句型,谓语动词就近原则。
There __________(be) an art room, a music room and two computer rooms in our school.②表示有事情要做,用there be sth to do。
There are lots of things ___________(see) in Beijing..③表示有某人正在做某事,用there be sb doing sth.。
On game shows, there are always famous people___________(talk) about their lives.3、I live in a town 15 miles from London. 我住在离伦敦15英里的一个镇上。
be far (away) from 离……远,但出现具体距离时,不用farMy home is __________________from the school.My home is 5 kilometres ___________from the school. A. away B. far C. close D. next to 4. have fun with sb./sth. 和某人/某物玩得开心have fun doing sth. 做某事很开心have(has/had) fun= have(has/had) a good time= enjoy(enjoyed) onself(myself/yourself/youselves……)5、I also have a bedroom of my own. =I also have my own bedroom. 我也有自己的房间。
第 1 页 共 10 页 新目标英语七年级下册知识点总结 Unit 1 Can you play the guitar? 1,情态动词+V原 can do= be able to do 2,Play+ the+ 乐器 play +球类,棋类 3,join 参加社团、组织、团体 4,四个说的区别:say+内容 如:He is very angry and he can’t say a word . Speak+语言;Talk 谈论 talk about sth talk with sb talk to sb Tell 告诉,讲述 tell sb (not)to do sth;Tell stories/ jokes 5,want= would like +(sb)to do sth 6,4个也的区别:too 肯定句末 (前面加逗号); Either否定句末(前面加逗号) Also 行前be 后; As well 口语中(前面不加逗号) 7,be good at+ V-ing=do well in 擅长于 be good for 对„有益 (be bad for对„有害) be good to 对„友好 (good 可用friendly,nice,kind替换) be good with和„相处好=get on/ along well with 8,特殊疑问句的构成:疑问词+一般疑问句 9,How/ what about+V-ing „怎么样?(表建议) 10,感官动词(look, sound, taste, smell, feel)+adj/ like 11,选择疑问句:回答不能直接用Yes或者No,要从中选择一个回答 12,students wanted for school show(wanted表示招募,含有被动意义) 13,show sth to sb=show sb sth give sth to sb=give sb sth 14,help sb (to)do sth; Help sb with sth With sb’s help= with the help of sb; Help oneself to 随便享用 Eg:Help Yourself to some fish 。请随便吃些鱼吧。 15,be busy doing sth/ be busy with sth; 16,need to do sth 17,be free= have time; 18,have friends= make friends 19,call sb at +电话号码; 20,on the weekend= on weekends 21,English-speaking students 说英语的学生(带有连词符,有形容词性质) 22,do kung fu表演功夫 Unit 2 What time do you go to school? 1,问时间用what time或者when At+钟点 at 7 o’clock at noon/ at night(during/ in the day) On+ 具体某天、星期、特指的一天 on April 1st on Sunday on a cold winter morning In +年、月、上午、下午、晚上 第 2 页 共 10 页
2,时间读法:顺读法 逆读法:分钟≤30用past five past eight(8:05) half past eight(8:30) 分钟>30用to a quarter to ten(9:45) 整点用 „o’clock 7 o’clock(7:00) 3,3个穿的区别:wear 表状态,接服装、手套、眼镜、香水等 Put on 表动作,接服装 Dress 表动作,接sb/ oneself get dressed穿衣 3,感叹句:How+adj+主谓! How+adj+a/an +n单+主谓!; What+ a/an +adj+ n单+主谓! What+ adj+ n复/ 不可数+主谓! 4,from„„ .to„Eg:We have a test from Monday to Thursday。我们从周一到周三考试。 5,arrive late for.....或 be late for..... (be 有 am、 is 、are 三种形式) 6,频度副词(行前be 后) Always usually often sometimes seldom hardly never 7,一段时间前面要用介词for for half an hour for five minutes 8,eat/ have„ for breakfast/ lunch/ dinner/ supper 9,either„or Eg: Either you or he goes shopping today . 10,a lot of=lots of 11,it is +adj+for sb +to do sth (adj修饰to do sth)It is important for me to learn English. it is +adj+of sb +to do sth (adj修饰sb) It is kind/ friendly/ nice of you to help me. Unit 3 How do you get to school?
1,疑问词 How 如何(方式)Eg:How do you go to school ?By bus。/By car。 how long 多长(时间)答语常用“(For/ about +)时间段” how far多远(距离)答语常用“(It’s +)数词 +miles/ meters/ kilometers” how often多久一次(频率)答语常用“Always/ often/ every day/„”或 “次数+时间”等表频率的状语(本用法以后再讲) How soon多快,多久以后,常用在将来时中。答语常用“in +时间段” how many多少(接可数名词) how much(接不可数名词) why为什么(原因) what什么 when何时 who谁 whom谁(宾格)(针对宾语提问也可用who) whose谁的 2,宾语从句要用陈述句语序Eg:Do you know who he is?你知道 3,Stop sb from doing sth Eg:Don’t stop Tom from reading 。 Stop to do 停下来(手中的活)去做其他事。Eg:Please stop to have a rest . EG: Please stop to have a rest。请停下来休息一会吧。 Stop doing 停止正在做的事 Eg:Please stop reading 。请停止阅读。 第 3 页 共 10 页
4,what do you think of/ about„?= how do you like„?你认为„怎么样? 5,He is 11 years old.=He is an 11-year-old boy. 6,many students= many of the students 7,be afraid of sth be afraid to do sth worry about be worried about 担心 8,play with sb 9、come true 10,have to do sth 11、he is like a father to me (like像)He looks like his father . 12,leave离开 leave for 出发前往某地 13,cross 是动词 Eg:He is crssing the street now 。 across是介词 14,thanks for +n/ V-ing Eg: Thanks for your help/ thanks for helping me. Eg: Thanks for your invitation/ thanks for inviting/ asking me. Thanks to幸亏,多亏,由于,因为。Eg:Thanks to your help, I pass the exam。 15, 四种花费:人+spend/ spends/ spent+时间/钱+(in可省略)doing sth/ on sth 人+pay/ pays/ paid +钱+for sth; It takes/ took sb +时间+to do sth 物+cost/ costs/ cost +sb +钱 Eg:The book cost me 10 Yuan。这本书花我10元钱。 16,交通方式 ●用介词。在句子中做方式状语。 ①by +交通工具名词(中间无需任何修饰) By bus/ bike/ car/ taxi/ ship/ boat/ plane/ subway/ train„„ ②by +交通路线的位置 By land/ water/ sea/ air ③in/ on +冠词/物主代词/指示代词 +交通工具名词 In a/ his/ the car On a/ his/ the bus/ bike/ship/ train/ horse/ motorbike ④on foot 步行 Eg:He often goes to school on foot . ●用动词。在句子中做谓语。 ①take + a/ the +交通工具名词; take a bus/ plane/ ship/ train ride a bike ②walk/ drive/ ride/ fly to„„(后面接here,there,home等地点副词时,省略介词to。)如步行回家:walk home 17,名词所有格 一般情况加’s Tom’s pen 以s结尾加’ the teachers’ office ten days’ holiday 表示几个人共同拥有,在最后一个名词后加’s Mike and John’s desk 表示每个人各自拥有,在每个名词后加’s Mike’s and John’s desks Tom’s mother and Bob’s mother are teachers now .