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1、.八大時(shí)態(tài)一般如今時(shí):常與always,often,sometimes, every day連用,表示習(xí)慣或經(jīng)常反復(fù)發(fā)生的動(dòng)作或存在的狀態(tài)。提醒你當(dāng)?shù)谌朔Q單數(shù)做主語(yǔ)時(shí),別忘了動(dòng)詞的變化。注意:象地球大,月亮小等客觀真理、事實(shí)一定用一般如今時(shí)。如今進(jìn)展時(shí):要注意其構(gòu)成:由be+動(dòng)詞+ing,表示說(shuō)話時(shí)正在進(jìn)展的動(dòng)作。如:Were studying now. 我們?nèi)缃裾趯W(xué)習(xí)。一般過(guò)去時(shí):表示過(guò)去某個(gè)時(shí)間發(fā)生的動(dòng)作或存在的狀態(tài),常與yesterday,last year,in 1949,two years ago,等表示過(guò)去時(shí)間的狀語(yǔ)連用。注意:We often went to dance la

2、st summer.有的同學(xué)一見到often就想到用一般如今時(shí),其實(shí)因?yàn)楹竺嬗斜硎具^(guò)去時(shí)間的 last summer,所以要用過(guò)去式,千萬(wàn)別誤用了,切記,切記。過(guò)去進(jìn)展時(shí):顯然過(guò)去進(jìn)展時(shí)表示過(guò)去某一時(shí)刻正在做什么,常和特定的時(shí)間狀語(yǔ)如at that time,at six yesterday,at that moment,when he came in等連用。如: When he knocked at the door,his mother was cooking.一般將來(lái)時(shí):表示將要發(fā)生的動(dòng)作或存在的狀態(tài),常與表示將來(lái)時(shí)間狀語(yǔ)如 next year,tomorrow等連用。注意:在Will

3、you .?問(wèn)句中,答復(fù)必須是 Yes,I will.或 No,I wont而不能用Yes,I shall. No, I shant.來(lái)答復(fù)過(guò)去將來(lái)時(shí):過(guò)去將來(lái)時(shí)不可以單獨(dú)使用,它一般在賓語(yǔ)從句中作間接引語(yǔ),表示從過(guò)去某一時(shí)間看來(lái)將要發(fā)生的動(dòng)作或存在的狀態(tài)。如:They told me that they would go to work in Guangdong.如今完成時(shí):顧名思義,如今完成時(shí)表示的是已經(jīng)完成的動(dòng)作,但動(dòng)作造成的影響還在,常被just,already,yet 等副詞修飾。如:He has already gone to Tianjin. 對(duì)如今造成的影響是他已經(jīng)不在這兒了。

4、如今完成時(shí)還可用來(lái)表示過(guò)去發(fā)生的動(dòng)作一直延續(xù)到如今,常帶有for或since等表示一段時(shí)間的狀語(yǔ)。如:Mr Wang has lived here since 1983.表示說(shuō)話前發(fā)生過(guò)一次或?qū)掖蔚膭?dòng)作,我們常用過(guò)來(lái)表示,常帶有twice, once, ever, never等時(shí)間狀語(yǔ)。如:Ive never seen that film.過(guò)去完成時(shí):我們可以用過(guò)去的過(guò)去來(lái)概括過(guò)去完成時(shí),表示過(guò)去某一時(shí)刻或某一動(dòng)作之前已經(jīng)完成了的動(dòng)作,通常與by,before等構(gòu)成的短語(yǔ)或when, before, after引導(dǎo)的從句連用。也可表示過(guò)去某一時(shí)間開場(chǎng),一直延續(xù)到過(guò)去另一時(shí)間的動(dòng)作,常和for或

5、since構(gòu)成的時(shí)間狀語(yǔ)連用。用法和如今完成時(shí)大致一樣,只不過(guò)又向前推了一個(gè)時(shí)態(tài)。如今完成時(shí)用法解析1.構(gòu)成如今完成時(shí)是由助動(dòng)詞 havehas+動(dòng)詞的過(guò)去分詞構(gòu)成。助動(dòng)詞說(shuō)明該謂語(yǔ)是屬于如今時(shí)范圍。它和主語(yǔ)的人稱、數(shù)要保持一致。過(guò)去分詞是主要的謂語(yǔ)動(dòng)詞,說(shuō)明句子的意義。2.用法1表示動(dòng)作發(fā)生在過(guò)去某個(gè)不確定的時(shí)間,但對(duì)如今留下了某種影響和結(jié)果。常被just、already、yet 等副詞修飾。如:-Have you had lunch yet? -Yes,I have. Ive just had it.你已經(jīng)吃午飯了嗎? 我剛剛吃過(guò)。如今我不餓了2表示從過(guò)去某一時(shí)刻開場(chǎng)一直持續(xù)到如今的動(dòng)作或

6、狀態(tài)。這個(gè)動(dòng)作可能剛停頓,可能仍然在進(jìn)展。常帶有for和since等表示一段時(shí)間的狀語(yǔ)。 如:He has taught here since 1981他自1981年就在這兒教書??赡苓€要繼續(xù)教I havet seen her for four years.我有四年沒(méi)見到她了。3表示說(shuō)話前發(fā)生過(guò)一次或?qū)掖蔚膭?dòng)作,如今成為一種經(jīng)歷,一般譯為漢語(yǔ)“過(guò),常帶有twice,ever,never,three times等時(shí)間狀語(yǔ)。如: I have been to Beijing twice.我去過(guò)北京二次。3.如今完成時(shí)的時(shí)間狀語(yǔ)1如今完成時(shí)屬于如今時(shí)范圍,故不能和過(guò)去的時(shí)間狀語(yǔ)連用。如:yester

7、day,last Sunday,in1990,three years ago等。但是,在強(qiáng)調(diào)動(dòng)作產(chǎn)生的后果和影響時(shí),可以和一些表示不確定的時(shí)間狀語(yǔ)連用。a. 用副詞already和yet。already一般用于肯定句中,yet一般用于否認(rèn)句和 疑問(wèn)句中。如:We have already finished our homework.我們已完成作業(yè)了。They havent finished their homework yet.他們還沒(méi)有完成作業(yè)。b.用ever 和never。多用于否認(rèn)或疑問(wèn)句中,表示“曾經(jīng)或“從未“等。 如:-Have you ever been to the Great

8、Wall?你曾經(jīng)去過(guò)長(zhǎng)城嗎?-I have never been to the Great Wall.我從未去過(guò)長(zhǎng)城。c.用表示到說(shuō)話為止的過(guò)去時(shí)間狀語(yǔ),如just,before,up to now,the past few years等。例如:I have seen her before,but I can not remember where.我以前見過(guò)她,但記不起在哪里見過(guò)。He has been there three times the last few days.近幾年他去過(guò)那里三次了。d.用包括“如今在內(nèi)的時(shí)間狀語(yǔ),如:now,today,this morningmonth,ye

9、ar,term等。例如:-Have you met him today?-No,I havent.今天你見過(guò)他嗎?我 沒(méi)有。How many times have you been there this year?今年你去過(guò)那里多少次?2如今完成時(shí)可以和帶有since或for等表示“一段時(shí)間的狀語(yǔ)連用,表示動(dòng)作或狀態(tài)從某一時(shí)刻開場(chǎng),一直持續(xù)到如今。如:I havent seen him for two years. 但是,像come,arrive,buy等終止性動(dòng)詞不能與表示“一段時(shí)間的狀語(yǔ)連用。要用,必須改為“be在等延續(xù)性動(dòng)詞來(lái)表述。現(xiàn)歸納總結(jié)一下由非延續(xù)性動(dòng)詞到延續(xù)性動(dòng)詞的轉(zhuǎn)換:arri

10、vebe here beginstartbe ondie be dead come backbe backleave be away fall illsick,asleepbe illsick,asleepget upbe up go out be outfinish be over put on wear 或be onopen be open join be in或 be a member ofclose be closed go to schoolbe a studentborrow keep buy havecatcha cold havea cold get to know knowb

11、egin to studystudy come to workwork等如:He has been a soldier for three years.他參軍三年了。His father has been dead for two years.他父親去世二年了。The film has been on for ten minutes.電影已開場(chǎng)非常鐘了。We have studied English for three years. 我們開場(chǎng)學(xué)英語(yǔ)已三年了。4.如今完成時(shí)和一般過(guò)去時(shí)的區(qū)別如今完成時(shí)和一般過(guò)去時(shí)都表示在過(guò)去完成的動(dòng)作。但如今完成時(shí)強(qiáng)調(diào)的是這一動(dòng)作與如今的關(guān)系。如對(duì)如今產(chǎn)生的結(jié)果

12、或影響等,而一般過(guò)去時(shí)只表示動(dòng)作在過(guò)去某一時(shí)刻發(fā)生,不表示和如今的關(guān)系。試比較:I have lost my new book. 我把新書丟了。如今還未找到I lost my new book yesterday. 我昨天把新書丟了。昨天丟的,如今找到與否沒(méi)說(shuō)明5.幾點(diǎn)本卷須知1have beento與have gone to的區(qū)別:have beento表示“去過(guò)某地如今已經(jīng)回來(lái)了,可用于各人稱;have goneto表示“去某地了說(shuō)話時(shí)某人不在當(dāng)?shù)?,常用于第三人稱,前者可與once ,never,several times等連用,后者那么不能。如:They have been to Bei

13、jing twice.他們?nèi)ミ^(guò)北京兩次。He has gone to Beijing . 他去北京了。2如單純表示一段時(shí)間,或強(qiáng)調(diào)一段時(shí)間,雖有since一詞,也不必用完成時(shí)。如:It is two years since his father died. =His father has been dead for two years.他父親去世已有三年了。3終止性動(dòng)詞如今完成時(shí)的否認(rèn)式,已變成一種可以延續(xù)的狀態(tài),因此可以和表示一段時(shí)間的狀語(yǔ)連用。如:I havent left here since 2019.自從2019年以來(lái),我一直沒(méi)有分開過(guò)這兒。定語(yǔ)從句中只能使用that的情況1.領(lǐng)先行

14、詞為anything,everything,nothing等不定代詞時(shí),只能使用“that。例:Is there anything that I can do for you?我能給你做點(diǎn)什么嗎?2.領(lǐng)先行詞為all,any,much,many詞時(shí),只能使用“that。例:Tom told her mother all that had happened.湯姆把事情的全部情況告訴了他的媽媽。3.領(lǐng)先行詞是形容詞最高級(jí)或被形容詞最高級(jí)修飾時(shí),只能使用“that。例:This is the most wonderful time that I have ever had. 這是我度過(guò)的最美妙的光陰

15、。4.領(lǐng)先行詞是序數(shù)詞修飾時(shí),只能使用“that。例:He was the first person that passed the exam.他是第一個(gè)通過(guò)考試的人。5.先行詞被the only,the very,the same,the last修飾時(shí),只能使用“that。例:This will be the last chance that he can get.這將會(huì)是他得到的唯一時(shí)機(jī)。He is the only person that can help you out.他是唯一能幫你的人。6.先行詞里同時(shí)含有人或物時(shí),只能使用“that。例:They talked of thing

16、s and persons that they remembered in the school.他們議論他們記得的有關(guān)學(xué)校的事和人。7.當(dāng)主句是以who,which開頭的特殊疑問(wèn)句或先行詞是who時(shí),只能使用“that。例:Which is the book that he bought from the library yesterday?哪本是你們昨天從圖書館借的書?18種特殊的反意疑問(wèn)句1.祈使句。祈使句后一般加上will you或wont you構(gòu)成反意疑問(wèn)句,用will you 多表示“懇求,用wont you 多表示提醒對(duì)方注意。例如:Look at the blackboard

17、, will you/ wont you?看黑板,好嗎?Let引導(dǎo)的祈使句有兩種情況:1Lets.,后的反意疑問(wèn)句用shall we或shant we。例如:Lets go home, shall we/ shant we? 回家吧,好嗎?還可以用may I來(lái)表示征求對(duì)方的同意或答應(yīng)。2Let us/me.后的反意疑問(wèn)句用will you或wont you。例如:Let me have a try, will you/wont you? 讓我試一試,行嗎?2.感慨句。感慨句后加反意疑問(wèn)句時(shí),其反意疑問(wèn)句需用be的一般如今時(shí)態(tài)的否認(rèn)形式。例如:What fine weather, isnt it

18、? 多好的天氣啊,是吧?3. 當(dāng)陳述部分謂語(yǔ)動(dòng)詞是need, dare, used to,且這些詞被用作實(shí)義動(dòng)詞時(shí),其反意疑問(wèn)句需用do的適當(dāng)形式。例如:He needs help, doesnt he?他需要幫助,是嗎?4.陳述部分主、謂語(yǔ)是I am.時(shí),反意疑問(wèn)句用arent I 或aint I ,而不是am not I 可用am I not。例如:Im working now, aint I? 我在工作,是嗎?5.陳述部分的主語(yǔ)是everything, nothing, anything或something 時(shí),反意疑問(wèn)句的主語(yǔ)應(yīng)用代詞it。例如:Something is wrong w

19、ith my radio, isnt it? 我的收音機(jī)出缺點(diǎn)了,是吧?6.陳述部分的主語(yǔ)是 everybody, everyone, anybody, anyone, somebody, someone, nobody, no one, none, neither 時(shí), 其反意疑問(wèn)句的主語(yǔ)需用復(fù)數(shù)代詞they。例如:Everyone is here, arent they? 大家都到了,是嗎?No one knows about it, do they? 沒(méi)有人知道這件事,對(duì)嗎?7.陳述部分的主語(yǔ)是指示代詞this或that時(shí),反意疑問(wèn)句的主語(yǔ)用it,當(dāng)陳述部分的主語(yǔ)是指示代詞these或t

20、hose時(shí),其反意疑問(wèn)句的主語(yǔ)用they。例如:This is a plane, isnt it? 這是一架飛機(jī),是嗎?These are grapes,arent they? 這些是葡萄,是嗎?8.陳述部分的主語(yǔ)是不定代詞one時(shí),反意疑問(wèn)句的主語(yǔ)可以用one,也可用you美式英語(yǔ)用he。例如:One should be ready to help others, shouldnt one? 每個(gè)人都應(yīng)該樂(lè)于助人,是吧?9.當(dāng)陳述部分含有以下這些含有否認(rèn)意義的詞時(shí):few, little, seldom,hardly, never, not, no, no one, nobody, noth

21、ing, none, neither等,其反意疑問(wèn)句需用肯定構(gòu)造。例如:He is never late for school, is he? 他上學(xué)從不遲到,是嗎?10.當(dāng)陳述部分所含的否認(rèn)詞是通過(guò)加前綴或后綴構(gòu)成的,其后的反意疑問(wèn)句仍然用否認(rèn)構(gòu)造。例如:It is unfair, isnt it? 這不公平,是?在陳述部分作動(dòng)詞的賓語(yǔ)時(shí),其反意疑問(wèn)句用肯定構(gòu)造,也可以用否認(rèn)構(gòu)造。例如:You got nothing from him, did you? 你從他那兒什么也沒(méi)得到,是嗎?12.當(dāng)陳述部分主語(yǔ)是從句、不定式短語(yǔ)、動(dòng)詞-ing形式時(shí),反意疑問(wèn)句的主語(yǔ)應(yīng)該用it。例如:What yo

22、u need is more important, isnt it?你需要的東西更重要,是吧?13.當(dāng)陳述部分含I think believe, suppose.that. 構(gòu)造時(shí),其反意疑問(wèn)句須與從句的主、謂語(yǔ)保持一致,注意主句的主語(yǔ)必須是第一人稱。例如:I dont think he will come, will he? 我認(rèn)為他不會(huì)來(lái),對(duì)嗎?14.havehas不是表示“有的意思,并在句中做謂語(yǔ)時(shí),其反意疑問(wèn)句的助動(dòng)詞要用do, does, did。例如:They had a meeting just now,didnt they? 他們剛剛開了個(gè)會(huì),是嗎?15.陳述部分有have t

23、o 時(shí),其反意疑問(wèn)句要用助動(dòng)詞的否認(rèn)形式。例如:You have to water the vegetables every day, dont you?你每天都要澆菜,對(duì)吧?16.陳述部分是there be句型時(shí),其反意疑問(wèn)句中要用there。例如:There was a hospital here, wasnt there? 過(guò)去這兒有家醫(yī)院,是嗎?17.陳述部分有had better時(shí),反意疑問(wèn)句中要用hadnt。例如:We had better go to school at once, hadnt we? 我們?nèi)缃褡詈民R上去上學(xué),好嗎?18.當(dāng)陳述部分含有情態(tài)動(dòng)詞must時(shí),我們便要

24、分析一下must的含義。假如must 作“一定;要;必須講,反意疑問(wèn)句須用mustnt或neednt;而當(dāng)must作推測(cè)意義“一定是;必定講時(shí),反意疑問(wèn)句那么需根據(jù)must后的動(dòng)詞原形選用相應(yīng)的形式。例如:He must work hard at physics, mustnt he? 他必須努力學(xué)物理,是吧?Tom must be at home,isnt he? 湯姆一定在家,是吧?英語(yǔ)時(shí)間介詞辨析1.since與after都可以用來(lái)引導(dǎo)表示從過(guò)去某一點(diǎn)開場(chǎng)的時(shí)間段詞組。它們的不同之處在于:asince引導(dǎo)的詞組所表示的時(shí)間一直延續(xù)到說(shuō)話時(shí)為止,因此要與如今完成時(shí)連用。例如:He has

25、been there twice since 1982.I have done nothing since six oclock.bafter引導(dǎo)的詞組所表示的時(shí)間是純系過(guò)去,并不延續(xù)到說(shuō)話時(shí),因此要和一般過(guò)去時(shí)連用。例如:He went home after school.2.till,until與toa介詞till/until常用于“fromtill/until構(gòu)造中,表示“一個(gè)動(dòng)作的終結(jié)。介詞to常用在“fromto的構(gòu)造中,用來(lái)表示“一個(gè)階段的終結(jié)。兩者在這種構(gòu)造中意義非常接近。例如:The Americans stayed here from June to September.He

26、 studies from morning till/until night everyday.bto可用在表示鐘點(diǎn)的詞前。我們說(shuō)Its six to five.但不能說(shuō)Its six till/until five.反之在某些能用till/until的場(chǎng)合,卻不能用to。例如:在“notuntil構(gòu)造中,我們說(shuō)I didnt go to bed till/until ten oclock.卻不能說(shuō)I didnt go to bed to ten oclock.ctill與until也有細(xì)微區(qū)別。till常用在非正式文體或口語(yǔ)中,而until那么常用于正式文體及比較正式的場(chǎng)合。另外,在句首多用

27、until。3.by,beforeaby表示時(shí)間時(shí),意思是“到以前、“不遲于、“到時(shí)為止。例如:by supper time;by the end of last term。bbefore表示時(shí)間,意為“在以前。例如:before liberation;the day before yesterday。cby與before的區(qū)別在于,by短語(yǔ)表示時(shí)間,強(qiáng)調(diào)“終止點(diǎn),而before短語(yǔ)表示時(shí)間,強(qiáng)調(diào)“起始點(diǎn)。例如:Your son will be all right by suppertime.句中的by suppertime表示從說(shuō)話時(shí)到晚飯前這段時(shí)間。而before構(gòu)成短語(yǔ)那么表示從某一時(shí)間

28、或事件之前,例如:The poor children couldnt go to school before liberation.so的用法總結(jié)1.so可以用作連詞,表示“因此,所以。例:I heard some noise outside, so I went out of the room to see why.so that作為連詞詞組,表示 “以便,為了。例:The vase is put high on the table, so that it wont be broken.2.so可以用作形容詞,表示“是這樣的,是真的。例:The newspapers claim she ki

29、lled him in self defence but that just isnt so.3.so可以用作副詞,表示1“如此,這么構(gòu)造為:so+adj./adv例:She was so tired that she fell asleep very fast.表示此意思時(shí),還可以用:so+adj.+a/an+n.例:It is so good a movie that everyone who saw it praises it very much.2“如此,如是,用于表示已經(jīng)提到的想法,建議或情況等例:“Will I need my umbrella?“I think so.3“也是,也

30、一樣構(gòu)造為so+助動(dòng)詞/情態(tài)動(dòng)詞/be動(dòng)詞+主語(yǔ)例:Tony takes exercise every day and so does his younger brother.注意否認(rèn)句應(yīng)把so改為neither/nor,構(gòu)造為neither/nor+助動(dòng)詞/情態(tài)動(dòng)詞/be動(dòng)詞+主語(yǔ)例:Jenny has never been late for class.Neither/Nor her younger brother.4“確實(shí)是這樣,表示對(duì)前面陳述事實(shí)的強(qiáng)調(diào),構(gòu)造為so+主語(yǔ)+助動(dòng)詞/情態(tài)動(dòng)詞/be動(dòng)詞例:Tony works very hard at all the subjects.So

31、 he does.5“似乎,那么,表示驚訝、不同意或者嘲諷例:So you think youve got troubles?常見構(gòu)造:and so on/and so forth:等等;so as todo:以便;so that+從句:以便例:We eat different vegetables, such as tomato,potato,celery,and so on.They got up early so as to catch the first bus.They got up so early that they could catch the first bus.while

32、用法一、while用作名詞時(shí),意為“一段時(shí)間,一會(huì)兒。例如:I stayed there for a short while.我在那兒呆了一小會(huì)兒。The postman came a short while ago.郵遞員剛剛來(lái)過(guò)。二、while用作連詞時(shí),有以下幾種含義:1.意為“當(dāng)時(shí)候,和同時(shí),引導(dǎo)時(shí)間狀語(yǔ)從句。例如:While I was watching TV, the bell rang.我看電視時(shí),鈴響了。Meimei watched TV while she ate her supper.梅梅邊吃晚飯邊看電視。2.意為“雖然,盡管,引導(dǎo)讓步狀語(yǔ)從句。例如:While it was late, he went on working.

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