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1、初中英語(yǔ)語(yǔ)法系統(tǒng)梳理(精華)(一)形容詞1常見(jiàn)的以-ly結(jié)尾的形容詞:daily每天的 lonely孤獨(dú)的 lovely可愛(ài)的 lively活潑的 monthly每月一次的 friendly友好的kindly 和藹的 early早的silly愚蠢的timely及時(shí)的likely很可能的ugly丑陋的deadly致命的 deathly死一般的 earthly世俗的 其中early, kindly, likely也可用作副詞。2某些形容詞與副詞只差一個(gè)詞尾,但意義卻大不相同:bad壞的 badly非常practical實(shí)際的 practically事實(shí)上hard堅(jiān)硬 hardly幾乎不large大

2、的 largely主要地late遲的,晚的 lately近來(lái)like像 likely 很可能scarce稀少的 scarcely幾乎不short短的 shortly 不久,很快bare光禿的 barely僅僅(二)動(dòng)詞1 常用的連系動(dòng)詞有: appear be become come fall feel get go grow keep lie remain restrun smell sound stand stay taste look2實(shí)義動(dòng)詞有及物動(dòng)詞和不及物動(dòng)詞之分:行為動(dòng)詞的四種形式:原形、第三人稱單數(shù)+s/es、現(xiàn)在分詞(也叫動(dòng)名詞)+ing、過(guò)去式+ed3助動(dòng)詞無(wú)實(shí)際意義,只起

3、語(yǔ)法作用:1)協(xié)助主要?jiǎng)釉~構(gòu)成謂語(yǔ)動(dòng)詞詞組的詞叫助動(dòng)詞( Auxiliary Verb )。被協(xié)助的動(dòng)詞稱作實(shí)義動(dòng)詞(Main Verb也就是行為動(dòng)詞),助動(dòng)詞自身沒(méi)有詞義,不可單獨(dú)使用,例如:He doesn't like English.他不喜歡英語(yǔ)。(doesn't是助動(dòng)詞,無(wú)詞義;like是主要?jiǎng)釉~,有詞義)2)助動(dòng)詞協(xié)助主要?jiǎng)釉~完成以下功用,可以用來(lái):a.表示時(shí)態(tài),例如: He is singing. 他在唱歌。He has got married. 他已結(jié)婚。b.表示語(yǔ)態(tài),例如: He was sent to England.他被派往英國(guó)。c.構(gòu)成疑問(wèn)句,例如: D

4、o you like college life?你喜歡大學(xué)生活嗎?Did you study English before you came here?你來(lái)這兒之前學(xué)過(guò)英語(yǔ)嗎?d.與否定副詞not合用,構(gòu)成否定句,例如: I don't like him. 我不喜歡他。e.加強(qiáng)語(yǔ)氣,例如: Do come to the party tomorrow evening.明天晚上一定來(lái)參加晚會(huì)。He did know that.他的確知道那件事。3) 最常用的助動(dòng)詞有:be,have, do, shall, will, should, would助動(dòng)詞be的用法1) be +現(xiàn)在分詞,構(gòu)成進(jìn)

5、行時(shí)態(tài),例如: They are having a meeting.他們正在開(kāi)會(huì)。English is becoming more and more important. 英語(yǔ)現(xiàn) 在越來(lái)越重要。2) be + 過(guò)去分詞,構(gòu)成被動(dòng)語(yǔ)態(tài),例如: The window was broken by Tom. 窗戶是湯 姆打碎的。English is taught throughout the world.世界各地都教英語(yǔ)。3) be +動(dòng)詞不定式,可表不下列內(nèi)容:a.表示最近、未來(lái)的計(jì)劃或安排,例如: He is to go to New York next week. 他下 周要去紐約。We are

6、 to teach the freshpersons.我們要教新生。說(shuō)明:這種用法也可以說(shuō)成是一種將來(lái)時(shí)態(tài)表達(dá)法。b.表示命令,例如: You are to explain this. 對(duì)此你要做出解釋。He is to come to the office this afternoon. 要他今天下午來(lái) 辦公室。c.征求意見(jiàn),例如: How am I to answer him?我該怎樣答復(fù)他?Who is to go there?誰(shuí)該去那兒呢?d.表示相約、商定,例如:We are to meet at the school gate at seven tomorrow morning.我

7、們明天早晨 7點(diǎn)在校門(mén)口集合。助動(dòng)詞have的用法:1) have +過(guò)去分詞,構(gòu)成完成時(shí)態(tài),例如: He has left for London. 他已去了倫敦。By the end of last month, they had finished half of their work.上月未為止,他們已經(jīng)完成工作的一半。2) have + been +現(xiàn)在分詞,構(gòu)成完成進(jìn)行時(shí),例如:I have been studying English for ten years.我一直在學(xué)英語(yǔ),已達(dá)十年之久3) have+been +過(guò)去分詞,構(gòu)成完成式被動(dòng)語(yǔ)態(tài),例如:English has been

8、 taught in China for many years.中國(guó)教英語(yǔ)已經(jīng)多年。助動(dòng)詞do的用法:1) 構(gòu)成一般疑問(wèn)句,例如: Do you want to pass the CET?你想通過(guò)大學(xué)英語(yǔ)測(cè)試嗎?Did you study German?你們學(xué)過(guò)德語(yǔ)嗎?2) do + not構(gòu)成否定句,例如: I do not want to be criticized.我不想挨批評(píng)。He doesn't like to study. 他不想學(xué)習(xí)。In the past, many students did not know the importance of English. 過(guò)去,

9、 好多學(xué)生不知 道英語(yǔ)的重要性。3)構(gòu)成否定祈使句,例如: Don't go there.不要去那里。Don't be so absent-minded.不要這么心不在焉。t兌明:構(gòu)成否定祈使句只用do. 不用 did 和 does。4) 放在動(dòng)詞原形前,加強(qiáng)該動(dòng)詞的語(yǔ)氣,例如: Do come to my birthday party. 一定來(lái)參加我的生日宴會(huì)。I did go there.我確實(shí)去那兒了。I do miss you. 我確實(shí)想你。5) 用于倒裝句,例如: Never did I hear of such a thing.我從未聽(tīng)說(shuō)過(guò)這樣的事情。Only wh

10、en we begin our college life do we realize the importance of English.只有在開(kāi)始大學(xué)生活時(shí)我們才認(rèn)識(shí)到英語(yǔ)的重要性。說(shuō)明:引導(dǎo)此類(lèi)倒裝句的副詞有never, seldom, rarely, little, only, so, well 等。6) 用作代動(dòng)詞,例如: - Do you like Beijing?-你喜歡北京嗎?- Yes, I do.-是的,喜歡。(do用作代動(dòng)詞, 代替like Beijing.) He knows how to drive a car, doesn't he?他知道如何開(kāi)車(chē),對(duì)吧?注意

11、:在一般現(xiàn)在時(shí)中, does用于第三人稱單數(shù),其余一律用助動(dòng)詞 do;助動(dòng)詞 do, does, did后面一定要用動(dòng)詞原形 。助動(dòng)詞shall和will的用法:shall和will作為助動(dòng)詞可以與動(dòng)詞原形一起構(gòu)成一般將來(lái)時(shí),例如:I shall study harder at English.我將更加努力地學(xué)習(xí)英語(yǔ)。He will go to Shanghai. 他要去上海。說(shuō)明:在過(guò)去的語(yǔ)法中,語(yǔ)法學(xué)家說(shuō)shall用于繳人稱,will只用于第二、第三人稱。現(xiàn)在,尤箕是在口語(yǔ)中,will常用于第人稱,但shall只用于第一人稱,如用于第二、第三人稱,就失去助動(dòng)詞的意義,已變?yōu)榍閼B(tài)動(dòng)詞,試比較

12、He shall come. 他必須來(lái)。(shall有命令的意味。)He will come.他要來(lái)。(will只與動(dòng)詞原形構(gòu)成一般將來(lái)時(shí)。)助動(dòng)詞should,would 的用法1) should無(wú)詞義,只是shall的過(guò)去形式,與動(dòng)詞原形構(gòu)成過(guò)去將來(lái)時(shí),只用于第一人 稱,例如:I telephoned him yesterday to ask what I should do next week.我昨天給他打電話,問(wèn)他我下周干什么。比較:"What shall I do next week?" I asked.“我下周干什么?"我問(wèn)道。(可以說(shuō),shall變成

13、間接引語(yǔ)時(shí),變成了 should。)2) would也無(wú)詞義,是 will的過(guò)去形式,與動(dòng)詞原形構(gòu)成過(guò)去將來(lái)時(shí),用于第二、第三 人稱,例如:He said he would come.他說(shuō)他要來(lái)。比較:"I will go," he said. 他說(shuō):"我要去那兒。"變成間接引語(yǔ),就成了:He said hewould come.原來(lái)的will 變成would , go變成了 come.。4情態(tài)動(dòng)詞不能單獨(dú)作謂語(yǔ),增加謂語(yǔ)的情態(tài)、語(yǔ)氣等色彩。重要詞義辨析:(一)anyone/any one ; no one/none; every/each1. anyo

14、ne 和 any oneanyone僅指人,any one既可指人,也可指物。2. no one 和 nonea) none后跟of短語(yǔ),既可指人又可指物,而 no one只單獨(dú)使用,只指人。b) none作主語(yǔ),謂語(yǔ)動(dòng)詞用單,復(fù)數(shù)均可,而 no one作主語(yǔ)謂語(yǔ)動(dòng)詞只能是單數(shù)。None of you could lift it. 你們中沒(méi)有人可舉起它。- Did any one call me up just now?一剛才有人打電話給我嗎 ?No one.-。3. every 和 each1) every強(qiáng)調(diào)全體的概念,each強(qiáng)調(diào)個(gè)體概念。Every student in our sch

15、ool works hard.我們學(xué)校的學(xué)生都很用功。Each student may have one book. 每個(gè)學(xué)生都可有一本書(shū)。2) every指三個(gè)以上的人或物(含三個(gè)),each指兩個(gè)以上的人或物(含兩個(gè))。3) every只作形容詞,不可單獨(dú)使用。each可作代詞或形容詞。Every student has to take one.Each boy has to take one.Each of the boys has to take one.4) every不可以作狀語(yǔ),each可作狀語(yǔ)。5) every有反復(fù)重復(fù)的意思,如 every two weeks等;each沒(méi)有

16、。6) every與not連用,表示部分否定;each和not連用表示全部否定。Every man is not honest.并非每個(gè)人都誠(chéng)實(shí)。Each man is not honest.這兒每個(gè)人都不誠(chéng)實(shí)。(二) both, either, neither, all, any, none這些詞都可用作代詞或形容詞。其位置都在be動(dòng)詞之后,行為動(dòng)詞之前或第一助動(dòng)詞之后。1) both (兩者都),either(兩者中任何一個(gè)),neither (兩者都不)。以上詞使用范圍為兩個(gè)人 或物。Neither of the two boys is clever.兩個(gè)男孩都不聰明。2) both ,

17、 eitherboth與復(fù)數(shù)連用,either與單數(shù)連用。3) all (所有的,全部的人或物),any (任何一個(gè)),none (都不)。以上詞使用范圍為三者以 上。All the flowers are gone.所有的花都謝了。I don't like any of the flowers.這些花我都不喜歡。I like none of the flowers.這些花我都不喜歡。注意:all與none用法一樣。跟單數(shù)名詞,用單數(shù)動(dòng)詞;跟復(fù)數(shù)名詞,用復(fù)數(shù)動(dòng)詞。All of the students are there.所有的學(xué)生都在那。All (of) the milk is th

18、ere.所有的牛奶都在那(二)many, muchMany , much都意為"許多",many +可數(shù)名詞,much +不可數(shù)名詞。How many people are there at the meeting?Both the boys are clever.兩個(gè)男孩都很聰明。Either of the two boys is clever.兩個(gè)男孩都很聰明。There are flowers on both sides of the street.(兩岸)There are flowers on either side of the street.(岸的兩邊)路邊長(zhǎng)

19、滿了野花。How much time has we left?Many of the workers were at the meeting.Much of the time was spent on learning.(四)few, little, a few, a little(a) few +可數(shù)名詞,(a) little + 不可數(shù)名詞a few / a little為肯定含義,還有一點(diǎn)few / little為否定含義,沒(méi)有多少了。He has a few friends.他有幾個(gè)朋友。He has few friends.他幾乎沒(méi)有朋友。We still have a little

20、 time. 我們還有點(diǎn)時(shí)間。There is little time left.幾乎沒(méi)剩下什么時(shí)間了。典型例題:C. a little D. aalthough引導(dǎo)的讓Although he 's wealthy , he spends on clothes. A. little B. fewfew答案:A. spend所指的是錢(qián),不可數(shù),只能用little或a little.本句為 步狀語(yǔ)從句,由句意知后句為否定含義,因此應(yīng)用 little表示幾乎不。 固定搭配:only a few (=few) not a few (=many) quite a few (=many) many

21、 a (=many)Many books were sold.Many a book was sold. 賣(mài)出了許多書(shū)13(一)一般現(xiàn)在時(shí)1)定義:1.目前存在的狀態(tài)2.經(jīng)常性、習(xí)慣性的動(dòng)作3.主語(yǔ)具備的性格和能力2)標(biāo)志詞:頻度副詞:例: always, usually, often, sometimes, every week (day, year, month ),once a week,on Sundays,3)肯定句謂語(yǔ)形式:1 .系動(dòng)詞 be ( am, is, are)2.行為動(dòng)詞原形 V原(主語(yǔ)是非第三人稱單數(shù)的肯定句,動(dòng)詞用原形行為動(dòng)詞原形 V原+ s,或es (主語(yǔ)為第三人

22、稱單數(shù)時(shí),動(dòng)詞要按規(guī)則加上V原 + s,或 es )4)否定式:1 .be +not2 . don' t + 行為動(dòng)詞原形 V原(主語(yǔ)是非第三人稱單數(shù)doesn' t +行為動(dòng)詞原形 V原(主語(yǔ)為第三人稱單數(shù))5)疑問(wèn)形式及肯定回答或否定回答:1 .be放主語(yǔ)前be動(dòng)詞+主語(yǔ)+?Yes,主語(yǔ)(主格)+be. No,主語(yǔ)(主格)+be +not.2 .主語(yǔ)前加do或does (動(dòng)詞還原)也就:Do +主語(yǔ)+行為動(dòng)詞原形 V原(主語(yǔ)是非三單Does +主語(yǔ)+行為動(dòng)t原形 V原(主語(yǔ)為三單)6)含有情態(tài)動(dòng)詞:肯定句:主語(yǔ)+情態(tài)動(dòng)詞can+V原.否定句:主語(yǔ)+情態(tài)動(dòng)詞can+ not

23、+V原.疑問(wèn)句及肯否回答:情態(tài)動(dòng)詞 can+主語(yǔ)+? Yes,主語(yǔ)+情態(tài)動(dòng)詞can/ No,主語(yǔ)+情 態(tài)動(dòng)詞can+ not* 提問(wèn)謂語(yǔ):What do /does + 主語(yǔ) + do ?如: She reads English every day.What does she do every day?注意點(diǎn):(1)客觀事實(shí)和普遍真理。尤其要注意,如果前后文不是一般現(xiàn)在時(shí),則無(wú)法保持主句、從 句時(shí)態(tài)一致.e. g.: He said that the sun rises in the east這個(gè)句子要注意, 到了以后的定語(yǔ)從句經(jīng)常會(huì)有這樣的問(wèn)題,具體細(xì)節(jié)到時(shí)候再說(shuō),不過(guò)你們要先有這樣的概念:

24、客觀事實(shí)無(wú)論謂語(yǔ)的時(shí)態(tài) 是什么,都用一般現(xiàn)在時(shí)。(2)在由 after , until , before , once, when , even if, in case, as long as, as soon as, the moment 以及if, unless等引導(dǎo)的時(shí)間狀語(yǔ)從句或條件狀語(yǔ)從句中,通常用一般現(xiàn)在時(shí)代替將來(lái) 時(shí)。例如:1)I will tell him the news as soon as I see him.2)I will not go to countryside if it rains tomorrow.*.動(dòng)詞+s的變化規(guī)則:1. 般情況下, 直接力口 -s,

25、如:cook-cooks, milk-milks (詳 見(jiàn)行為動(dòng)詞中挪皿 )(二)現(xiàn)在進(jìn)行時(shí)1)定義:表示目前正在發(fā)生的動(dòng)作或存在的狀態(tài)2)標(biāo)志詞:1提示語(yǔ):look! Listen! 2.At +時(shí)間點(diǎn)3.前有祈使句3)肯定句謂語(yǔ)形式:Be (am, is, are ) + V-ing4)否定式:be + not +V-ing5)疑問(wèn)形式:及肯定叵回答:Yes,主語(yǔ)(主格)+be. No,主.be放主語(yǔ)前 be動(dòng)詞+主語(yǔ)+ +V-ing ? 語(yǔ)(主格)+be +not.* 提問(wèn)謂語(yǔ): What is / are + 主語(yǔ) + doing ?如: We' re listening no

26、w.What are you doing now?(1)表示現(xiàn)在正在進(jìn)行的動(dòng)作,常與 now, right now , at the mother, for the time being , for thepresent 等連用。 例如: Don' t disturb her. She is reading a newspaper now.(2)表示現(xiàn)階段經(jīng)常發(fā)生的動(dòng)作,常與 always , continually , forever , constantly等連用。 例如:My father is forever criticizing me.(3)表示根據(jù)計(jì)劃或安排在最近要進(jìn)行的

27、事情。具有這種語(yǔ)法功能的動(dòng)詞僅限于過(guò)渡性動(dòng)詞。即表示從一個(gè)狀態(tài)或位置轉(zhuǎn)移到另一個(gè)狀態(tài)或位置上去的動(dòng)詞。常用的有:go, come,leave, start, arrive, return o 如:They are leaving for Hong Kong next month.(4)有些動(dòng)詞不能用進(jìn)行時(shí),這是一類(lèi)表示“感覺(jué),感情,存在,從屬”等的動(dòng)詞。如:see, hear, smell,taste, feel, notice, look, appear,(表示感覺(jué)的詞);hate, love, fear, like , want, wish, prefer, refuse, forgive

28、(表示感情的動(dòng)詞);be, exist, remain, stay, obtain(表示 存在狀態(tài)的動(dòng)詞);have, possess own, contain, belong, consist of, form(表示占有與 從屬的動(dòng)詞);understand, know , believe, think , doubt, forget, remember(表示思考 理解的動(dòng)詞)。但是如果它們?cè)~義改變,便也可用進(jìn)行時(shí)態(tài)。例如:1)Tom looks pale. What ' s wrong with him?(look在此為聯(lián)系動(dòng)詞,意為“顯得,看2)Tom is looking fo

29、r his books. (look 在此為實(shí)義動(dòng)詞,意為"尋找" )*動(dòng)詞加ing的變化規(guī)則1. 一般情況下,直接加 ing,如:cook-cooking.(詳見(jiàn)行為動(dòng)詞中規(guī)則) (三)一般將來(lái)時(shí)1)定義:1.表示佳話或打算做某事2.將要發(fā)生的動(dòng)作或存在的狀態(tài)2)標(biāo)志詞:1 .tomorrow, the next day, this afternoon, this evening2 .next week (month, year ) 3.in the year 20073)肯定句謂語(yǔ)形式:1 .系動(dòng)詞 be ( am, is, are) +going to + V 原形2

30、 . will / shall + V原形(will用于第二、三人稱,shall用于第一人稱)3 .go, come, leave等用現(xiàn)在進(jìn)行時(shí)表示將來(lái)4 .want用現(xiàn)在時(shí)表將來(lái)2. will放主語(yǔ)前 will+主語(yǔ)+ V 原?Yes,主語(yǔ)(主格)+ will. No,主(主格)+ won' t*提問(wèn)謂語(yǔ):1 .What is/ are +going to do ?2 .What will +主語(yǔ)+do ?如: He will play basketball next week.What will he do next week?*疑問(wèn)詞當(dāng)主語(yǔ)時(shí):疑問(wèn)詞+be+going to+動(dòng)詞

31、原形? 如:Who will play football?1)表示將來(lái)打算進(jìn)行或期待發(fā)生的動(dòng)作或狀態(tài)。例如:I'm going to graduate next year.2)幾種替代形式:(1)be going to +v在口語(yǔ)中廣泛使用,表示準(zhǔn)備做或?qū)l(fā)生的事情。例如:I' m going to buy a house when we ' ve saved enough money.(2)be to +v表示計(jì)劃安排要做的事,具有“必要”的強(qiáng)制性意義。例如:I am to play tennis this afternoon.3)be about to +v 表示即

32、將發(fā)生的事情 。例如: He was about to start.4)be due to +v表示預(yù)先確定了的事,必定發(fā)生的事 。例如:The train is due to depart in ten minutes.5)be on the point/verge of +v - ing強(qiáng)調(diào)即將發(fā)生的某種事態(tài)。例如:The baby was on the point of crying when her mother finally came home.6) 在以 if, when, as long as, as soon as, after, before, in case, until

33、, unless等連詞以及具有連詞作用的副詞(immediately, the moment, directly )等引導(dǎo)的狀語(yǔ)從句,一般用現(xiàn)在時(shí) 代替將來(lái)時(shí)。強(qiáng)調(diào)延續(xù)性或動(dòng)態(tài)時(shí),可用完成時(shí)。例:I hope his health will have improved by the time you come back next year.(我希望至U 明年你回來(lái)的時(shí)候,他的身體已經(jīng)好多了。)(四)一般過(guò)去式1)定義:表示過(guò)去時(shí)間內(nèi)發(fā)生的動(dòng)作或存在的狀態(tài)2)標(biāo)志詞:1.yesterday, last week/ year/ month 等2.two years ago/ in 2005 / a

34、t that time 等3) 一肯定句謂語(yǔ)形式:1.動(dòng)詞be的過(guò)去時(shí)(was, were )即:主語(yǔ)+ was/ were +2.行為動(dòng)詞的過(guò)去式即:主語(yǔ)+ V過(guò)去式4) 否定式:1.was/ were + not即: 主語(yǔ) + was/ were + not2.動(dòng)詞前加didn ' t (動(dòng)詞還原),即:主語(yǔ)+didn ' t + V原5)疑問(wèn)形式:及肯定回答或否定回答:1 .was/were 放主語(yǔ)前 was/were + 主語(yǔ) + ?Yes,主(主格)+ was/ were. No,主(主格)+ wasn ' t/weren ' t2 .主語(yǔ)前+did

35、(動(dòng)詞還原)Did +主語(yǔ)+ V 原? Yes,主語(yǔ)(主格)+ did No,主(主 格)+ did n ' t*提問(wèn)謂語(yǔ):What did + 主語(yǔ) + do ?如: Tom did his homework last night.What did Tom do last night?*疑問(wèn)詞當(dāng)主語(yǔ)時(shí):疑問(wèn)詞+動(dòng)詞過(guò)去式?如:Who went to home yesterday?注意事項(xiàng):A)注意時(shí)間狀語(yǔ)的搭配。一般過(guò)去時(shí)的時(shí)間狀語(yǔ)應(yīng)該是表示過(guò)去某個(gè)時(shí)間的詞或詞組,如:yesterday, lastmonth, in 1999, two days ago 等,絕對(duì)不可與 recent

36、ly, in the past 10 years, this month 等連 里,因?yàn)檫@樣的時(shí)間狀語(yǔ)都與現(xiàn)在有關(guān)系,應(yīng)該用現(xiàn)在完成時(shí)或一般現(xiàn)在時(shí)。B) used to do的否定形式和疑問(wèn)形式很特別:你怎么寫(xiě)都正確。以否定形式為例:used not todo, didn't used to do, didn't use to do 都對(duì)。Used to do經(jīng)常與 be used to doing sth/ sth 結(jié)構(gòu)進(jìn)行對(duì)比。前者表示"過(guò)去常?;蜻^(guò)去曾 經(jīng)",要求加動(dòng)詞原形;后者表示"習(xí)慣于",要求加名詞或動(dòng)名詞。C)表示過(guò)去某一特

37、定時(shí)間所發(fā)生的、可完成的動(dòng)作或狀態(tài),常與表示確切過(guò)去時(shí)間的詞、短語(yǔ)或從句連用。例如: We went to the pictures last night and saw a very interesting film.(2)表示過(guò)去習(xí)慣性動(dòng)作。例如:1)He always went to class last.2)I used to do my homework in the library.(注意與 be used to doing 短語(yǔ)的區(qū)另1J )D)有時(shí)可代替一般現(xiàn)在時(shí),表達(dá)一種婉轉(zhuǎn)、客氣、禮貌、商量的語(yǔ)氣。例:I wanted to ask you if I could borro

38、w your car? (我想向您借車(chē)用一用,可以嗎?) Would you mind my sitting here?(您介意我坐在這里嗎?Could you pass me the pen?*動(dòng)詞過(guò)去式變化規(guī)則:(詳見(jiàn)行為動(dòng)詞中視則)(五)現(xiàn)在完成時(shí):1)定義:1。過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果2。從過(guò)去已經(jīng)開(kāi)始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。2)標(biāo)志詞: ,in/for the paalready, yet, just, before, recently, still, never , ever, so far, up to now, since,foryears 等3)肯定句

39、謂語(yǔ)形式:助動(dòng)詞have(has)+動(dòng)詞的過(guò)去分詞構(gòu)成。當(dāng)主語(yǔ)是第三人稱單數(shù)的時(shí)候主語(yǔ)用has,其余者B用 have。即:have/has + done (V 過(guò)分)4)否定式: 即:have/has + not+ V過(guò)分或否定回答:No,主(主格)+ haven'常與短暫性動(dòng)詞如 find,5)疑問(wèn)形式:have/has放于句首主語(yǔ)前及肯定回答即:have/has + 主語(yǔ) + V 過(guò)分)? Yes,主(主格)+ have/has. t/ hasn' t6)現(xiàn)在完成時(shí)的用法1 .表示過(guò)去發(fā)生或已完成的某一動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果,著眼點(diǎn)是現(xiàn)在。begin,go,see 等連

40、用。例如: -Lucy, have you found your ticket? -Not yet.He has just come back.I haven ' t finished my homework.2 .表示過(guò)去已經(jīng)開(kāi)始,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài),可以和表示從過(guò)去某一時(shí)刻延續(xù)到現(xiàn)在的一段時(shí)間的狀 語(yǔ)連用。常與延續(xù)f動(dòng)詞連用,如be, work, study, live等。-Do you know Jack well?-Certainly. We have been friends since ten years ago.I have lived here for ten ye

41、ars.現(xiàn)在完成時(shí)中的時(shí)間狀語(yǔ)有:。1. already/ yet : already用于肯定句,yet用于否定句和疑問(wèn)句 。I have already had lunch. I had it at 11:30.(表示我已經(jīng)吃過(guò)午飯,現(xiàn)在不餓了)I haven' t had lunch yet.(表示我午飯還沒(méi)吃,我現(xiàn)在很餓 )2. ever/neverever (at any time) 常用于問(wèn)句中 ,never (not at any time)表示否定意思 。Have you ever visited Shanghai? Yes, I have. No, I have nev

42、er visited it.3. since/forsince “自從”,接時(shí)間點(diǎn),表示某動(dòng)作或狀態(tài)從過(guò)去某個(gè)時(shí)間開(kāi)始,一直延續(xù)到現(xiàn)在且有可能仍將 延續(xù)下去。for接時(shí)間段,表示某動(dòng)作或狀態(tài)持續(xù)了多久。主句表示動(dòng)作或狀態(tài)的動(dòng)詞通常是延續(xù)性動(dòng)詞。 如:He has worked in this school since 1999/June/he came to Nanjing.He has worked in this school for 5 years/ six months/ a long time.6) have been to 和 have gone to 的區(qū)別have been t

43、o的意思是“去過(guò)某地”,表示曾經(jīng)去過(guò)某地現(xiàn)在已經(jīng)回來(lái),人在說(shuō)話地。have gone to的意思是“去了某地”,表示人在去那里的途中或已經(jīng)在那里。例如:-Where have you been?你去哪里了 ?-I have been to the zoo.我去動(dòng)物園了。(說(shuō)話人不在動(dòng)物園了)My brother has gone to the zoo.我哥哥去動(dòng)物園了。(人在去動(dòng)物園的途中或已經(jīng)在動(dòng)物園)7)現(xiàn)在完成時(shí)和一般過(guò)去時(shí)的區(qū)別:1)現(xiàn)在完成時(shí)與現(xiàn)在有聯(lián)系,它表示過(guò)去的動(dòng)作對(duì)現(xiàn)在所產(chǎn)生的結(jié)果、影響。一般過(guò)去時(shí)通常表示在過(guò)去 某一具體時(shí)間發(fā)生的動(dòng)作,與現(xiàn)在沒(méi)什么聯(lián)系。2)現(xiàn)在完成時(shí)表示過(guò)

44、去延續(xù)到現(xiàn)在的行為;一般過(guò)去時(shí)著重過(guò)去某一時(shí)刻的某一具體動(dòng)作。因此含有特指過(guò)去某一個(gè)時(shí)間的時(shí)間狀語(yǔ)只能用一般過(guò)去時(shí),而不用現(xiàn)在完成時(shí)。如:-Have you had your lunch?- Yes, I have.-When did you have your lunch?-1 had it at 12 o ' clock.注意點(diǎn):A) 在"this is the first/ second/ third time that ”句型里要求用完成時(shí) 。例:This is the second time that the products of our company have

45、 been shown in the International Exhibition. (這是我公司產(chǎn)品第二次參加國(guó)際展覽會(huì)。)B)句型"It is/ has been since"所使用的兩種時(shí)態(tài)都正確。例:It is/ has been 10 years since I last saw him.(從我上次見(jiàn)到他以來(lái)已經(jīng)10 年了。)C)在"no sooner than"、"hardly/ scarcely when"、"before"、"prior to" 等句型中,主句要求完成時(shí)。例:

46、I haven't met that professor prior to today.(以前我從未見(jiàn)過(guò)那位教授。D)完成時(shí)態(tài)可用在下列結(jié)構(gòu)中:This (That, It) is (was) the first (second )time + 定語(yǔ)從句; This (That, It) is (was) the only (last) + n + 定語(yǔ)從句;This (That, It) is (was) +形容詞最高級(jí)+ n +定語(yǔ)從句。如果主句的謂語(yǔ)動(dòng)詞是一般現(xiàn)在時(shí),從句的謂語(yǔ)動(dòng)詞通常用現(xiàn)在完成時(shí);如果主句謂語(yǔ)動(dòng)詞是一般過(guò)去時(shí),從句謂語(yǔ)動(dòng)詞通常用過(guò)去完成時(shí)。例如:(1)This

47、is one of the rarest questions that have ever been raised at such a meeting.(2)There was a knock at the door. It was the second time someone had interrupted me that evening.六、過(guò)去進(jìn)行時(shí):1 .定義:表示過(guò)去某段時(shí)間或某一時(shí)刻正在發(fā)生或進(jìn)行的行為或動(dòng)作。2 .標(biāo)志語(yǔ):at this time yesterday, at that time或以when引導(dǎo)的謂語(yǔ)動(dòng)詞是一般過(guò)去時(shí)的時(shí)間狀語(yǔ)等。3 .肯定句基本結(jié)構(gòu):was/we

48、re+doing4 .否定句形式: was/were + not + doing.5 .一般疑問(wèn)句及肯否定回答:把was或were放于句首。6 .例句: At that time she was working in a PLA unit.When he came in, I was reading a newspaper.用法:A)表示在過(guò)去一個(gè)比較具體的時(shí)間正在發(fā)生的動(dòng)作。例:Mary was listening to light music 10 minutes ago. (10 分鐘前,瑪麗正在聽(tīng)輕音樂(lè)。)B)如果when, while這樣的時(shí)間狀語(yǔ)引導(dǎo)詞所引導(dǎo)的主從句之一是一般過(guò)去時(shí)

49、,則另一個(gè)句子常用過(guò)去例:I was washing my hair when you knocked at the front door.(你敲前門(mén)時(shí)我正在洗頭發(fā)。) 過(guò)去進(jìn)行時(shí)表示一個(gè)過(guò)去的動(dòng)作發(fā)生時(shí)或發(fā)生后,另一個(gè)過(guò)去的動(dòng)作正在進(jìn)行,或表示過(guò)去反復(fù)的習(xí)慣,常與 always, continually , constantly 等動(dòng)詞連用。例如:1)We were discussing the matter when the headmaster entered.2)Whenever I visited him, he was always writing at the desk.七、動(dòng)詞

50、不定式1、to加動(dòng)詞原形構(gòu)成一種非謂語(yǔ)形式,在這里不是介詞,無(wú)詞義 。 如:I want to make a New Year card.我想制作一張新年賀卡。Would you like to have a picnic with us? 你愿意和我們一起去野餐嗎?2、to保留原來(lái)動(dòng)詞的一些特征,它可以帶自己的賓語(yǔ)和狀語(yǔ)等。如:To get there faster, you can take bus No.5.想快一點(diǎn)至U那兒,你可以坐5 路車(chē)。3、 to 前有時(shí)帶疑問(wèn)詞 what, when, where, which, why, how 等。如:HS s asking Yang Lin

51、g how to get there. 他正在問(wèn)楊玲怎樣到達(dá)那里??偠灾欢ㄒ涀。簍o后面用動(dòng)詞原形。八、動(dòng)名詞:其實(shí)就是動(dòng)詞的現(xiàn)在分詞”。它既有洛詞性質(zhì)”(可作主語(yǔ)),又具有動(dòng)詞性質(zhì)(可帶賓語(yǔ)) 。如:Please keep quiet in the reading room.還有我們的一些課題:Asking the way 中是 名詞性質(zhì)”;My hobby is collecting stamps.中是 動(dòng)詞性質(zhì)”,帶了賓語(yǔ) stamps.記得做過(guò)某事";跟to+動(dòng)詞原形,表示 記得要去做某事如:我記得今天把信寄走了。請(qǐng)記住今天要把信寄走。忘記做過(guò)某事(實(shí)際做過(guò))&quo

52、t;;跟to+動(dòng)詞原形,表示 忘記去做某1、remember (記住)后面跟動(dòng)名詞,表示I remember posting the letter today.Please remember to post the letter today.2、forget (忘記)后面跟動(dòng)名詞,表示事(實(shí)際沒(méi)做)如:我忘記今天早上做過(guò)作業(yè)了。我忘記今天早上做作業(yè)了。停止做某事";跟to+動(dòng)詞原形,表示 停止正在做的事,而去做別的I forget doing homework this morning.I forget to do homework this morning.3、stop (停止)后面跟動(dòng)名詞,表示 事”。如:Stop smoking, please.請(qǐng)不要吸煙。We are tired. Let ' s stop to have a rest.我們累了,讓我們停下來(lái)休息一下。4、like (喜歡)后面跟動(dòng)名詞,表示一個(gè)人的愛(ài)好和習(xí)慣,意思是喜歡干某事";跟to+動(dòng)詞原形,常用于would like to do something ,表示某人想要、愿意干某事 如:I like taking a walk after supper eve

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