高考英语语法考点归纳总结谓语动词素材
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考点09 完成体谓语动词时态是语篇型填空和短文改错的必考点和热点。
高考对谓语动词的考查一时态为住,语态为辅。
对于时态的考查主要集中在一般现在时,一般过去时、现在完成时等等常见时态。
此外在考查物动词的同时还考查主谓一致问题。
预计2023年时态仍将是高考的重点和难点所在。
高考主要以语法填空、短文改错等形式考查,动词的时态在语法填空和短文改错中既是必考点又是热点。
高考在考查时态的同时,仍然以最基本的时态(一般现在时,一般过去时、现在完成时)为主,但是也会兼顾其他语法内容的考查,比如各种从句、强调句、倒装句等,其交叉式和复合式的特点尤为明显。
1.了解并能正确运用必考的10种时态(一般现在时、一般过去时、一般将来时、现在进行时、过去进行时、过去将来时、将来进行时、现在完成时、过去完成时、现在完成进行时);2. 熟练运用一般现在时、一般过去时、现在完成时等高考高频时态;3. 掌握几种易混时态的区别,如现在完成时和一般过去时等。
完成体考向一、现在完成时1. 现在完成时结构:主语+ 助动词have(has) + 动词过去分词否定句:have/has后加not, haven’t/hasn’t一般疑问句:have/has提前2. 现在完成时的用法:(1)表示过去发生的某一动作对现在造成的影响或产生的结果,强调的是这个结果或影响,常与yet,already,just,before,lately等时间状语连用。
—Have you had your lunch yet? 你吃过午饭了吗?—Yes, I have. I have just had it. 是的,我刚吃过。
(现在我不饿了。
)I have already posted the photos. 我已经寄过这些照片了。
(这些照片已不在我这里了。
)have(has) gone to,have(has) been to和have(has) been in的区别1. have (has) gone to表示"已经去某地了",不能与for+一段时间连用。
基础课程教学资料高考英语语法:谓语动词总述: 谓语动词的变化形式取决于时态和语态:英语的时态有十六种, 中学英语中有十二种常见的时态; 语态有两种, 即主动语态和被动语态1.在主动语态中, 各种时态的谓语动词的一般形式如下:一般进行完成完成进行现在do / doesam / is / are doinghave / has donehave / has been doing过去didwas / were doinghad donehad been doing将来shall / will doshall / will be doingshall / will have doneX如果谓语是be动词, 则可用be动词的适当形式( be / am /is / are / was / were / been)代替以上表格中的黑体字部分. 此外, 过去将来时的形式是: should / would do或should / would be 2.在被动语态中, 各种时态的谓语动词的一般形式如下:一般进行完成完成进行现在am / is / are doneam / is / are being donehave / has been doneX过去was / were donewas / were being donehad been doneX将来shall / will be doneXshall / will have been doneX另外, 过去将来时的被动语态形式是should / would be done主动语态在主动语态中, 高中英语中常见的有十二个时态一.一般现在时:1.构成: 通常以动词原形表示. 主语为第三人称单数时, 则用动词的第三人称单数形式来表示2.用法:①.表示现状, 性质, 状态, 经常的或习惯性的动作a. It is fine today.b. I am a student.c. I get up at six every day.d. My father never takes a bus; he walks to his office.②.表示客观事实或普遍真理a. Japan is to the east of China.b. The sun rises in the east.c. A horse is a useful animal.③.表示将来确定会发生的动作(如己安排好或计划好的动作或按时刻表将来一定会发生的动作), 可以这样使用的动词有: go, come, leave, start, arrive等a. My train leaves at 6:30.b. The football match is played the day after tomorrow.④.在时间和条件状语从句中可用一般现在时动词代替一般将来时动词a. I will let you know as soon as I hear from him.b. We will go if it is fine tomorrow.c. I will be away when he arrives.d. We shall not begin the discussion until he arrives.e. Mother, I won’t go out unless you agree.f. Don’t try to run before you begin to walk.⑤.在某些以here / there开头的句子中用一般现在时动词表示现在正在发生的动作a. Here comes the bus.=The bus is coming.b. There goes the bell.⑥.在体育比赛过程中, 解说员叙述迅速, 短暂动作时, 可用一般现在时, 表示正在进行的或刚刚发生的动作a. Ma Lianbao passes the ball to Mu Tiezhu, Mu shoots –a fine shot !⑦.在剧本或图片的说明文字中, 用一般现在时表示动作a. When the curtain rises, Juliet is sitting at her desk. The phone rings. She picks it up and listens quietly.二.现在进行时:1.构成: am / is / are doing2.用法:①.表示说话时正在进行着的动作, 或现阶段正在进行而说话时不一定正在进行的动作a. I am writing a letter.b. My mother is making a dress these few days.②.表示即将发生的动作(如在最近按计划或安排好要进行的动作), 常见的有这种用法的动词有: come /go / leave / start / arrive等, 常与表示将来时间的状语连用a. They are going to Shanghai on Frid ay.b. John is coming here next week.③.现在进行时动词与always, continually, constantly等连用, 表示反复出现的或习惯性的动作a. The little boy is always asking questions.b. You are always saying that sort of thing.④.在一定的上下文中, 前一句用一般现在时动词表述现在发生的事实, 后一句用现在进行时动词来阐述这一事实的原因, 结果, 目的等a. He frowns. He is worrying about his boy.他皱着眉头, 因为他在为他的孩子担心. (is worrying表示原因)b. She criticizes him. She is trying to correct his wrong habits. 她批评他, 想纠正他的坏习惯. (is trying表示目的)c. She lets her child have his own way. She is spoiling him. 她不管她的孩子, 把他惯坏了. ( is spoiling表示结果)⑤.不表示持续的行为, 而表示知觉, 感觉, 看法, 认识, 感情, 愿望或某种状态的动词通常不用现在进行时, 如: see, hear, smell, taste, recognize, notice, forget, remember, understand, know, believe, suppose, mean, think, love, hate, care, like, dislike, worry, forgive, want, wish, hope, refuse, feel like, belong to , possess, ow n, have, be, seem等三.现在完成时:1.构成: have / has done2.用法:①.表示动作在说话之前己经完成, 而后果或影响至今仍存在a. He has gone to Shanghai. ( =He went to Shanghai and he is not here now. )b. I have opened the window. ( =I opened the window and the window is now open.)c. The concert has started. ( =The concert sta rted and is now going on. )d. I have had breakfast. (=I had breakfast and I am not hungry now. )②.表示开始于过去, 持续到现在(也许还会继续进行下去)的动作或状态, 用于延续性动词, 且句中常带有表示段时间的时间状语a. I have studied English since 1987.b. He has lived here for two years.c. He has been ill for ten days.3.现在完成时与一般过去时的区别:①.现在完成时和一般过去时所表示的动作都发生在过去, 但前者将过去的动作与现在的结果或对现在的影响联系起来, 而后者只限于表示过去的动作本身, 与现在无关②.现在完成时不能与表明确时间的状语如: yesterday, last year, two days ago, when I came in 等连用, 但可与表示不明确时间的状语如: already, yet, sometimes, often, before, lately, recently, once, twice, ever等连用, 也可以和包括现在在内的时间状语如: this morning, today, this week, this year等连用a. She has already come.b. I have met him before.c. Ma Hong has always been a good student.d. Have you ever been to the Great Wall ?e. I have seen him this morning.四.现在完成进行时:1.构成: have / has been doing2.特征: 现在完成进行时兼有现在完成时和现在进行时两者的特点①.它具有现在完成时的特点, 即表示动作发生在过去, 延续到现在或对现在产生影响②.它具有现在进行时的特点, 即可以表示此动作仍在进行或还会继续a. Mr. Smith has taught English for twenty years. ( 至今为止教过二十年英语, 至于teach是否结束或是否延续, 不得而知)b. Mr. Smith has been teaching English for twenty years.( 现在仍在教英语,而且将持续下去)3.用法:①.表示现在之前的一段时间里一直进行的动作, 此动可能仍在进行, 也可能刚刚停止a. I h ave been reading the book all the morning.b. He has been staying here for two hours.c. I have been living in Beijing since 1972.②.表示现在之前的一段时间里一再重复的动作a. I have been calling you several times in the past two days.4.现在完成时与现在完成进行时的区别: 前者着重表示过去动作对现在的影响或结果; 后者着重表示过去动作的持续进行a. I have written six letters since I got back.我己经写了六封信(强调结果)b. I have been writing letter since I got back. 我回家后一直在写信(强调一直在写)c. I have read this book.我读过这本书了(强调读过这一结果)d. I have been reading this book.我一直在读这本书(强调一直在读)。
高考英语语法复习动词的分类知识讲解cry 哭泣disappear 消失go 走,趋于live 生存,居住rise 上升,增强shiver 颤抖,哆嗦sparkle 闪耀appear 出现decay 衰退exist 存在happen 发生occur 发生,出现roar 咆哮,喧闹sigh 叹息swim 游泳arise 出现,产生deteriorate 恶化fall 落下hesitate 犹豫scream 尖叫sit 坐,位于travel 旅行collapse 倒塌die 死亡flow 流动laugh 笑quiver 颤抖smile 微笑sneeze 打喷嚏lie 躺,位于,说谎age (使)成熟,变老break 打破(记录)close 关闭,结束decrease 减少,减小end 结束,终止grow 种植,生长meet 满足,对付;相遇shake 动摇,发抖spread 散布,铺开,传播stop 断绝,停止widen 加宽,变宽begin (使)开始burn 烧毁,燃烧continue (使)继续double (使)加倍finish 完成,终结improve 改善,加强open 打开,开始show 演示,说明;显示stand 忍受,抵抗;站立tear 撕毁,流泪stretch (使)伸展;使用,消耗boil (使)蒸发,沸腾change (使)改变cook 烹饪,做菜dry 弄干,变干fly 使飘扬,飞行increase 增加run 经营,运转slow 放慢,阻碍,变慢start 启动,出发turn 使旋转,转动。
高考英语重点必考语法归纳总结高考英语重点必考语法归纳总结高考英语,时刻谨记保持头脑的清醒,注意大小写。
这类型的题目是高考中极易失分的地方,而且也没有什么特别的套路可走,只能老老实实多刷题了。
下面是小编为大家整理的高考英语重点必考语法归纳,希望对您有所帮助!高中有哪些重点的英语语法知识点人称代词的用法1)人称代词的主格在句子中作主语或主语补语,例如:John waited a while but eventually he went home.约翰等了一会儿,最后他回家了。
John hoped the passenger would be Mary and indeed it was she.约翰希望那位乘客是玛丽,还真是她。
说明:在复合句中,如果主句和从句主语相同,代词主语要用在从句中,名词主语用在主句中,例如:When h e arrived, John went straight to the bank.约翰一到就直接去银行了。
2)人称代词的宾格在句子中作宾语或介词宾语,但在口语中也能作主语补语,第一人称在省略句中,还可以作主语,例如:I saw her with them , at least, I thought it was her.我看到她和他们在一起,至少我认为是她。
(her做宾语,them 做介词宾语,her作主语补语)a. -- Who broke the vase?--谁打碎了花瓶?b. -- Me .--我。
(me作主语补语= It's me.)说明:在上面两例句中,her和me分别作主语补语。
现代英语中多用宾格,在正式文体中这里应为she和I。
人称代词之主、宾格的替换1) 宾格代替主格a.在简短对话中,当人称代词单独使用或在not 后,多用宾语。
---- I like English.--我喜欢英语。
---- Me too.--我也喜欢。
---- Have more wine?--再来点酒喝吗?---- Not me.--我可不要了。
动词分为:1. 实义动词(有实在意义的动作,可以单独作谓语):read,say,buy,find......(实义动词分为及物动词和不及物动词)2.连系动词(系动词)(本身带有一定的意义,不能独立充当谓语)3. 助动词具体的概念和分类:1.实义动词:指的是那些意义完全且能够独立作谓语的动词。
1. He lives quite near.(live“住”,有明确的意义,单独作谓语,为实义动词。
)2. I like reading.(like“喜欢”,意思明确,单独作谓语,为实义动词。
)3. I bought a pen yesterday. ( buy“买”,意义明确,单独作谓语,为实义动词。
)及物动词和不及物动词实义动词后面跟宾语时,这个动词是及物动词。
实义动词后面不跟宾语时,此时这个动词是不及物动词。
①The door opened.(open后面没跟宾语,此时open是不及物动词,)②He opened the door(open 后面有宾语the door,此时open 是及物动词。
)注意:英语中一个动词是及物动词还是不及物动词,关键是看它用在句中时后面是否跟宾语。
A.有些动词既可作及物动词又可作不及物动词,词义相同The meeting began at six begin.(begin是不及物动词。
)(at six做状语)We began the meeting at six (begin是及物动词,)B.有些动词既可作及物动词又可作不及物动词,词义不同地The man walked away.(walk不及物动词,意为“走”。
)He walked the dog every day, (walk 是及物动词,“遛”,)C.英语中一些动词是及物动词还是不及物动词,可能与汉语不同He listens to the music every day, (listen为不及物动词,而汉语中“听”是及物动词。
(完整版)⾼考英语语法知识点总结专题⼀定语从句⼀、关系代词引导的定语从句1、that 指⼈或物在从句中作主语,宾语或表语which 指物在从句中作主语,宾语或表语(作宾语时可以省略)who 指⼈在从句中作主语,宾语或表语whom 指⼈在从句中作宾语whose 指⼈或物在从句中作定语as 指⼈或物在从句中作主语,宾语或表语but 指⼈或物在从句中作主语,宾语或表语注意:指物时,whose+名词=the+名词+of which 或of which+the+名词2、as 的⽤法(1)常⽤于下列结构:such…as; so…as;the same…as; as…as注意:the same…as 表⽰同⼀类,不同⼀个the same…that 表⽰同⼀个(2)as与which的区别a、位置不同as可放在主句后,主句前或主句中间;which只能放在主句后。
b、as起连接作⽤,表达说话⼈的观点、看法,并指出主句内容的根据或出处,意为“正如,正像”。
Which相当于并列句,可以⽤and this来代替,意为“这⼀点,这件事’”。
注意:as常⽤于下列结构:as we know/ as is known to all, as we all can see, as has been said before/above, as might be excepted, as is often the case, ⼀般不能⽤which代替as。
C、在从句中作主语时,which既可作系动词be的主语也可作实义动词的主语,⽽as只可作系动词be的主语。
3、but⽤作关系代词,相当于who/that…not例:In China there is no one but knows Lei Feng.⼆、只⽤that不⽤which的情况1、.先⾏词为all , much, everything, nothing , something ,anything, nothing, none, the one等不定代词时2、先⾏词被only, any, few, little, no , all, just , very ,right等修饰时.3、当先⾏词是最⾼级或被形容词最⾼级修饰时。
干货高中英语语法归纳总结大全,高考必备1.定语从句引导定语从句的关系代词有that,which,who(宾格whom),所有格whose)和关系副词where when why 等,关系代词或关系副词在定语从句中充当一个成分,关系代词that,which,who,whom等在从句中分别作主语或宾语,whose 在从句中作定语,而关系副词when,where,why等在从句中作状语。
如:①I will never forget the days when/in which we worked together.②I will never forget the days which/that we spent together.解析:在句①中,表示时间的名词the days在从句中充当的是状语,所以用关系副词when来代指,引导定语从句修饰先行词the days;而在句②中,表示时间的名词the days在从句中充当的是动词spent的宾语,所以用关系代词that或which来代指。
同样,表示地点或原因的名词如果在从句中作状语,则用关系副词where 或why 来代指;如果在从句中作动词的宾语,则用which或that来代替。
如:①This is the factory where/in which I worked.(作状语)②This is the factory that/which I visited years ago.(作宾语)注:当先行词为time,reason, place时,引导词可以省略。
①This was the first (when/what) I had serious trouble with my boss.②That is the reason (why) I did it.③This is the place (where) we met yesterday.另外,定语从句中谓语动词的数应与先行词的数相一致。
2024届高三英语高考一轮复习语法考点动词不定式用法注意点与语法结构(讲义)动词不定式特征:动词不定式具有名词、副词和形容词的性质。
动词不定式作用:动词不定式在句子中可充当主语、宾语、宾语补足语、表语、定语和状语。
动词不定式九大注意点01使役动词和感官动词的宾语补足语,省略t o(注意:被动语态“t o”加回)。
S h e s a w h e r d au ght e r e nt e r t h e r oom.(H e r d au gh t er wa s s e en t o en t er t h e ro om.)她看见女儿进了房间。
I h e a r d hi m s i n g h ap pi l y j u s t n ow.(H e w as h e a rd t o s i n g h ap pi l y j u s t n ow.)我刚才听到他快乐地唱歌。
02w o ul d r at he r, h ad be t t e r(b e st)等习惯用法之后,省略t o。
I w o u l d r at h e r(not)st a y a t h om e.我宁愿(不)呆在家里。
Y o u h ad b et t e r e at m o re fi sh, l e s s m e at.你最好多吃鱼少吃肉。
03不定式作表语时,它的前面出现d o的各种形式时,省略t o。
T h e on l y t h i n g I c a n do i s w a i t.我唯一能做的事就是等着。
A l l t he y n e e d t o do n ow i s t a k e a b r e ak.现在他们需要的是好好休息。
04“W h y n o t do st h.?” 和“W h y d o n't yo u d o s t h.?”句型中,省略t o。
W h y n o t t r y i t a ga i n?= W h y d o n't yo u t ry i t a ga i n?为什么不再试一下呢?05在w h en, i f, w ha t,as等从句中与l i k e, w a nt, wi s h连用时,省略t o。
高考英语必考语法知识点归纳高考英语必考语法知识点归纳:1. 时态:高考英语中常考的时态包括一般现在时、一般过去时、一般将来时、现在进行时、过去进行时、过去将来时等。
要注意时态的正确使用,特别是上下文的一致性。
2. 主谓一致:谓语动词的单复数形式要与主语在人称和数上保持一致。
如果主语是第三人称单数,谓语动词要加上“s/es”。
3. 直接间接引语:直接引语一般使用引号括起来,而间接引语则没有引号,而且要根据句子的语序和语态进行转换。
4. 比较级与最高级:比较级用于两者的比较,最高级用于三者或三者以上的比较。
比较级的形式是在形容词或副词前加上“er”或“more”,最高级则加上“est”或“most”。
5. 冠词:冠词分为不定冠词(a/an)和定冠词(the)。
不定冠词用于泛指,定冠词用于特指。
6. 句子结构:英语句子的基本结构是主语+谓语+宾语,但有时也会有其他成分的加入,如定语、状语、补语等。
7. 并列连词:常用的并列连词有and、but、or、so等,用于连接并列的词、短语或从句。
8. 修饰语的位置:修饰语一般放在被修饰的词的前面,但有时也可以放在后面。
要注意修饰语的位置对句子意思的影响。
9. 名词性从句:名词性从句可以充当名词的作用,包括主语从句、宾语从句、表语从句和同位语从句等。
10. 非谓语动词:非谓语动词包括动词不定式、动名词和分词。
它们可以在句子中作主语、宾语或定语等。
以上是高考英语常见的必考语法知识点归纳,希望对你备考有帮助。
记住这些知识点,多做练习题,提高语法应用能力。
高考英语必考语法知识点归纳11. 主语从句(Subject Clauses):主语从句用于作为句子的主语,常由连接词that引导。
例如:That he has won the game is beyond doubt.(他赢得比赛毫无疑问)12. 宾语从句(Object Clauses):宾语从句用作句子的宾语,常由连接词that引导。
高考英语语法考点归纳总结:高考英语语法:谓语动词总述: 谓语动词的变化形式取决于时态和语态:英语的时态有十六种, 中学英语中有十二种常见的时态; 语态有两种, 即主动语态和被动语态1.在主动语态中, 各种时态的谓语动词的一般形式如下:一般进行完成完成进行现在do / doesam / is / are doinghave / has donehave / has been doing过去didwas / were doinghad donehad been doing将来shall / will doshall / will be doingshall / will have doneX如果谓语是be动词, 则可用be动词的适当形式( be / am / is / are / was / were / been)代替以上表格中的黑体字部分. 此外, 过去将来时的形式是: should / would do或should / would be2.在被动语态中, 各种时态的谓语动词的一般形式如下:一般进行完成完成进行现在am / is / are doneam / is / are being donehave / has been doneX过去was / were donewas / were being donehad been doneX将来shall / will be doneXshall / will have been doneX另外, 过去将来时的被动语态形式是should / would be done主动语态在主动语态中, 高中英语中常见的有十二个时态一.一般现在时:1.构成: 通常以动词原形表示. 主语为第三人称单数时, 则用动词的第三人称单数形式来表示2.用法:①.表示现状, 性质, 状态, 经常的或习惯性的动作a. It is fine today.b. I am a student.c. I get up at six every day.d. My father never takes a bus; he walks to his office.②.表示客观事实或普遍真理a. Japan is to the east of China.b. The sun rises in the east.c. A horse is a useful animal.③.表示将来确定会发生的动作(如己安排好或计划好的动作或按时刻表将来一定会发生的动作), 可以这样使用的动词有: go, come, leave, start, arrive等a. My train leaves at 6:30.b. The football match is played the day after tomorrow.④.在时间和条件状语从句中可用一般现在时动词代替一般将来时动词a. I will let you know as soon as I hear from him.b. We will go if it is fine tomorrow.c. I will be away when he arrives.d. We shall not begin the discussion until he arrives.e. Mother, I won’t go out unless you agree.f. Don’t try to run before you begin to walk.⑤.在某些以here / there开头的句子中用一般现在时动词表示现在正在发生的动作a. Here comes the bus.=The bus is coming.b. There goes the bell.⑥.在体育比赛过程中, 解说员叙述迅速, 短暂动作时, 可用一般现在时, 表示正在进行的或刚刚发生的动作a. Ma Lianbao passes the ball to Mu Tiezhu, Mu shoots – a fine shot !⑦.在剧本或图片的说明文字中, 用一般现在时表示动作a. When the curtain rises, Juliet is sitting at her desk. The phone rings. She picks it up and listens quietly.二.现在进行时:1.构成: am / is / are doing2.用法:①.表示说话时正在进行着的动作, 或现阶段正在进行而说话时不一定正在进行的动作a. I am writing a letter.b. My mother is making a dress these few days.②.表示即将发生的动作(如在最近按计划或安排好要进行的动作), 常见的有这种用法的动词有: come /go / leave / start / arrive等, 常与表示将来时间的状语连用a. They are going to Shanghai on Frid ay.b. John is coming here next week.③.现在进行时动词与always, continually, constantly等连用, 表示反复出现的或习惯性的动作a. The little boy is always asking questions.b. You are always saying that sort of thing.④.在一定的上下文中, 前一句用一般现在时动词表述现在发生的事实, 后一句用现在进行时动词来阐述这一事实的原因, 结果, 目的等a. He frowns. He is worrying about his boy.他皱着眉头, 因为他在为他的孩子担心. (is worrying表示原因)b. She criticizes him. She is trying to correct his wrong habits. 她批评他, 想纠正他的坏习惯. (is trying表示目的)c. She lets her child have his own way. She is spoiling him. 她不管她的孩子, 把他惯坏了. ( is spoiling表示结果)⑤.不表示持续的行为, 而表示知觉, 感觉, 看法, 认识, 感情, 愿望或某种状态的动词通常不用现在进行时, 如: see, hear, smell, taste, recognize, notice, forget, remember, understand, know, believe, suppose, mean, think, love, hate, care, like, dislike, worry, forgive, want, wish, hope, refuse, feel like, belong to , possess, ow n, have, be, seem等三.现在完成时:1.构成: have / has done2.用法:①.表示动作在说话之前己经完成, 而后果或影响至今仍存在a. He has gone to Shanghai. ( =He went to Shanghai and he is not here now. )b. I have opened the window. ( =I opened the window and the window is now open.)c. The concert has started. ( =The concert sta rted and is now going on. )d. I have had breakfast. (=I had breakfast and I am not hungry now. )②.表示开始于过去, 持续到现在(也许还会继续进行下去)的动作或状态, 用于延续性动词, 且句中常带有表示段时间的时间状语a. I have studied English since 1987.b. He has lived here for two years.c. He has been ill for ten days.3.现在完成时与一般过去时的区别:①.现在完成时和一般过去时所表示的动作都发生在过去, 但前者将过去的动作与现在的结果或对现在的影响联系起来, 而后者只限于表示过去的动作本身, 与现在无关②.现在完成时不能与表明确时间的状语如: yesterday, last year, two days ago, when I came in等连用, 但可与表示不明确时间的状语如: already, yet, sometimes, often, before, lately, recently, once, twice, ever等连用, 也可以和包括现在在内的时间状语如: this morning, today, this week, this year等连用a. She has already come.b. I have met him before.c. Ma Hong has always been a good student.d. Have you ever been to the Great Wall ?e. I have seen him this morning.四.现在完成进行时:1.构成: have / has been doing2.特征: 现在完成进行时兼有现在完成时和现在进行时两者的特点①.它具有现在完成时的特点, 即表示动作发生在过去, 延续到现在或对现在产生影响②.它具有现在进行时的特点, 即可以表示此动作仍在进行或还会继续a. Mr. Smith has taught English for twenty years. ( 至今为止教过二十年英语, 至于teach是否结束或是否延续, 不得而知)b. Mr. Smith has been teaching English for twenty years.( 现在仍在教英语,而且将持续下去)3.用法:①.表示现在之前的一段时间里一直进行的动作, 此动可能仍在进行, 也可能刚刚停止a. I h ave been reading the book all the morning.b. He has been staying here for two hours.c. I have been living in Beijing since 1972.②.表示现在之前的一段时间里一再重复的动作a. I have been calling you several times in the past two days.4.现在完成时与现在完成进行时的区别: 前者着重表示过去动作对现在的影响或结果; 后者着重表示过去动作的持续进行a. I have written six letters since I got back.我己经写了六封信 (强调结果)b. I have been writing letter since I got back. 我回家后一直在写信 (强调一直在写)c. I have read this book.我读过这本书了(强调读过这一结果)d. I have been reading this book.我一直在读这本书 (强调一直在读)。