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1、2021/3/91初中語法專題(一)時(shí)態(tài)2021/3/92一般現(xiàn)在時(shí)一般過去時(shí)現(xiàn)在進(jìn)行時(shí)過去進(jìn)行時(shí)現(xiàn)在完成時(shí)過去完成時(shí)一般將來時(shí)過去將來時(shí)2021/3/93一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)2021/3/94一、一般現(xiàn)在時(shí):一、一般現(xiàn)在時(shí):概念概念:經(jīng)常、反復(fù)發(fā)生的動(dòng)作或行為及現(xiàn)在的某種狀況。時(shí)間狀語:時(shí)間狀語:always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, etc.基本結(jié)構(gòu)基本結(jié)構(gòu):be動(dòng)詞;行為動(dòng)詞否定形式否定形式:am/is/are+not;此時(shí)態(tài)的謂語動(dòng)詞若為行為動(dòng)詞

2、,則在其前加dont,如主語為第三人稱單數(shù),則用doesnt,同時(shí)還原行為動(dòng)詞。一般疑問句一般疑問句:把be動(dòng)詞放于句首;用助動(dòng)詞do提問,如主語為第三人稱單數(shù),則用does,同時(shí),還原行為動(dòng)詞。2021/3/95什么情況下用?2021/3/96表示經(jīng)?;蛄?xí)慣性的動(dòng)作或存在的狀態(tài)。表示主語通常的能力、興趣愛好、和性格特征。表示客觀的事實(shí)或真理。表示按照時(shí)刻表或已經(jīng)計(jì)劃安排好的將來行為。(只限于是go, come, leave, arrive, begin, start, take off, stop, be等表示開始或移動(dòng)意義的詞。)在時(shí)間狀語從句和條件狀語從句中,主句用一般將來時(shí)(will+

3、動(dòng)詞原形),從句中用一般現(xiàn)在時(shí)表將來。(主將(主將從現(xiàn))從現(xiàn))2021/3/97當(dāng)主語是第三人稱時(shí),謂語動(dòng)詞要用第三人稱單數(shù)形式,加-s/es-s/es。除此之外都用動(dòng)詞原形。2021/3/98動(dòng)詞第三人稱單數(shù)形式變化規(guī)則 2021/3/992021/3/9101. 1. He_(be, am, is, are) a teacher at No. 2 Middle School.2. 2. He_(have, has) classes in the afternoon.3. 3. He_(get, gets) up at half past six every morning.4. 4. He

4、 always _(come, comes ) to school on time.5. 5. He _(study, studies) very hard at his lesson.6. 6. One and two _(be, is, are) three.7. 7. Blue and yellow _(make, makes) green.8. 8. The earth _(move, moves) round the sun.9. 9. I will go there if I _( be, will be, am, is, are) free tomorrow.2021/3/911

5、10. 10. I will go there when I _(have, will have, has) time tomorrow.11. 11. He wont come to the party unless he _(be, will be, am, is, are) invited.12. 12. Ill wait here until my mother _(come, comes, will come) back.13. 13. Please return the book to the library as soon as you _(finish, finishes, w

6、ill finish) reading it.14. 14. Once you _(see, sees, will see) him, you will never forget him.2021/3/912一般過去時(shí)2021/3/913概念:過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài);概念:過去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài);過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。過去習(xí)慣性、經(jīng)常性的動(dòng)作、行為。時(shí)間狀語:ago, yesterday, the day before yesterday, last week(year, night, month), in 1989, just now, at the age of

7、5, one day, long long ago, once upon a time, etc.基本結(jié)構(gòu):be動(dòng)詞;行為動(dòng)詞否定形式:was/were+not;在行為動(dòng)詞前加didnt,同時(shí)還原行為動(dòng)詞。一般疑問句:was或were放于句首;用助動(dòng)詞do的過去式did 提問,同時(shí)還原行為動(dòng)詞。2021/3/914謂語動(dòng)詞使用過去式形式,加ed,分為規(guī)則和不規(guī)則變化。表示過去經(jīng)常發(fā)生的動(dòng)作,也可用“used to do used to do ”和“would +動(dòng)詞原形”。2021/3/9152021/3/9161. 1. He_(be, was, were, been) here a mom

8、ent ago.2. 2. They _(be, was, were, been) here just now.3. 3. The scientists _(leave, leaves, leaved, left) for America yesterday.4. 4. Last week we _(visit, visited ) the Science Museum.5. 5. When I was a child, I often _(play, played) football.6. 6. The students ran out of the classroom as soon as

9、 the bell _(ring, rang, rung).2021/3/917現(xiàn)在進(jìn)行時(shí)2021/3/918作謂語的動(dòng)詞用來表示動(dòng)作(情況)發(fā)生時(shí)間的各種形式稱為時(shí)態(tài)。1.概念:表示現(xiàn)階段或說話時(shí)正在進(jìn)行的動(dòng)作及行為。 2.時(shí)間狀語:Now, at this time, days, look. listen等時(shí)間狀語做標(biāo)志。3.基本結(jié)構(gòu):主語+be +doing +其他4.否定形式:主語+be +not +doing+其他5.一般疑問句:把be動(dòng)詞放于句首。2021/3/9196. 6. 用法:現(xiàn)在進(jìn)行時(shí)表示用法:現(xiàn)在進(jìn)行時(shí)表示1)、現(xiàn)在(說話的瞬間)正在進(jìn)行或發(fā)生的動(dòng)作,強(qiáng)調(diào)“此時(shí)此刻”。

10、 E.g. He is reading . They are talking now.2)、當(dāng)前一段時(shí)間內(nèi)的活動(dòng)或現(xiàn)階段正在進(jìn)行的動(dòng)作。E.g. They are working these days.3)、 某些動(dòng)詞的現(xiàn)在進(jìn)行時(shí),表預(yù)定的計(jì)劃或即將發(fā)生的動(dòng)作。E.g I am coming.2021/3/920 現(xiàn)在分詞的變法有現(xiàn)在分詞的變法有1)、一般在動(dòng)詞詞尾加上-ing ,E.g. jump2)、以不發(fā)音字母e結(jié)尾的動(dòng)詞,先去e,再加-ing. E.g have write3)、.以重讀閉音節(jié)末尾只有一個(gè)輔音字母結(jié)尾的詞,它前面是單個(gè)元音字母時(shí)要先將詞尾的輔音字母雙寫,再加上-ing.

11、 E.g. sit put 其句式變換都在be上做文章。2021/3/9211.I _(write, am writing, is writing, are writing) a letter now.2.Look, it _(begin, is beginning, am beginning, are beginning) to rain.3.They _(study, is studying, am studying, are studying) medicine at the Medical Institute of Chengde these days.4.He _(teach, am

12、 teaching, is teaching, are teaching) an English lesson at this time.2021/3/922過去進(jìn)行時(shí)2021/3/9231.概念:表示過去某段時(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.時(shí)間狀語:at this time yesterday, at that time或以when引導(dǎo)的謂語動(dòng)詞是一般過去時(shí)的時(shí)間狀語等。 3.基本結(jié)構(gòu) 主語+was/were +doing +其他 4.否定形式:主語+was/were + not +doing+其他 5.一般疑問句:把was或were放于句首。(第一個(gè)字母大寫) 其句式變化仍

13、然要在be上做文章。2021/3/924過去進(jìn)行時(shí)常與過去某一特定時(shí)間的狀語連用,如 last night, at that time, at noon yesterday, last Sunday 等。 也有時(shí)沒有時(shí)間狀語,要通過上下文的暗示來確定用過去進(jìn)行時(shí)。2021/3/9251.I _(cook, cooked, was cooking, were cooking) breakfast when you arrived.2.What _you_( do, did, was.doing, weredoing) at this time yesterday evening?3.We_(ha

14、ve, are having, had, were having) dinner when the doorbell rang.4.While/ When/ As we_( have, had, are having, were having) dinner, the doorbell rang.2021/3/926一般將來時(shí)2021/3/927構(gòu)成構(gòu)成: :will,shall+動(dòng)詞原形,其中shall只用于第一人稱。be going to +動(dòng)詞原形,表示主觀打算,按計(jì)劃,安排要發(fā)生的事情。 be to +動(dòng)詞原形,表示客觀安排 be about to +不定式,意為馬上要做某事,正要做某

15、事。某些動(dòng)詞,可用進(jìn)行時(shí)態(tài)表將來,如come, go, arrive, leave。在時(shí)間狀語從句和條件狀語從句中,主句用一般將來時(shí)(will+動(dòng)詞原形),從句中用一般現(xiàn)在時(shí)表將來。一般現(xiàn)在時(shí)可表示按時(shí)間表發(fā)生的將來的動(dòng)作(限start, begin, arrive, end, close, leave-等表示開始或移動(dòng)意義的詞)2021/3/928時(shí)間狀語:Tomorrow, next day(week, month, year),soon, in a few minutes, by,the day after tomorrow, etc. 2021/3/929否定形式否定形式:主語+am/

16、is/are not going to do ;主語+will/shall not do+其他 一般疑問句一般疑問句:be放于句首;will/shall提到句首。 e.g. She will be back in three days. She will not be back in three days. Will She be back in three days? They are going to clean their classroom. They are not going to clean their classroom. Are they going to clean the

17、ir classroom? 2021/3/9301 _you _a doctor when you grow up?A Will; going to be B Are; going to be C Are; / D Will; be2 I dont know if his uncle _. I think he _ if it doesnt rain.A will come; comes B will come; will come C comes; comes D comes; will come3 He will be back _a few minutes. A with B for C

18、 on D in4 What time _we meet at the gate tomorrow? A will B shall C do D are5 He will have a holiday as soon as he _the work next week.A finishes B doesnt finish C will finish D wont finish2021/3/9316 There _some showers this afternoon. A will be B will have C is going to be D are going to have 7 It

19、 _my brothers birthday tomorrow. She _a party.A is going to be; will have B will be; is having C will be; is going to have D will have; is going to be8 Li Ming is 10 years old now, next year he _11. A is B is going to be C will be D will to be 2021/3/932過去將來時(shí)2021/3/933構(gòu)成:構(gòu)成:(would + 動(dòng)詞原形,或?qū)頃r(shí)的其它過去構(gòu)成

20、形式was going to do)表示以過去某一時(shí)間為參照,在過去看將要發(fā)生的動(dòng)作或存在的狀態(tài)。在賓語從句及間接引語中,時(shí)態(tài)呼應(yīng),經(jīng)常會(huì)用到過去將來時(shí)。如I thought it was going to be fun. 時(shí)間狀語時(shí)間狀語:-soon/the next day-that-clause(名詞性從句或上下文中-)2021/3/9341.I told my friend that I _ (should/ would arrive, shall/ will arrive) soon.2.They looked at those clouds over the sky. It_(is

21、 going to rain, was going to rain).3.They said that they _(are to meet, were to meet) at the gate the next day.4.We _(are about to go, were about to go) out when it started to rain.2021/3/935現(xiàn)在完成時(shí)2021/3/9361. 1.概念:概念:表示發(fā)生在過去,持續(xù)到現(xiàn)在,可能剛剛結(jié)束也有可能繼續(xù)進(jìn)行下去的動(dòng)作或狀態(tài),甚至延續(xù)到將來,并對現(xiàn)在造成一定的影響或結(jié)果。常與since+過去時(shí)(間), for+一段時(shí)

22、間連用。表示與現(xiàn)在有聯(lián)系的過去的動(dòng)作。2. 2.時(shí)間狀語:時(shí)間狀語:yet, already, just, never, ever, so far, by now, since+時(shí)間點(diǎn),for+時(shí)間段,recently, lately, in the past few years, etc. 3. 3.基本結(jié)構(gòu):基本結(jié)構(gòu):主語+have/has +p.p(過去分詞)+其他 2021/3/9374. 4.否定形式:否定形式:主語+have/has + not +p.p(過去分詞)+其他 5. 5.一般疑問句:一般疑問句:have/has+主語 +p.p(過去分詞)+其他?2021/3/938非延

23、續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞非延續(xù)性動(dòng)詞和延續(xù)性動(dòng)詞 非延續(xù)性動(dòng)詞在時(shí)間上沒有延續(xù)性,常見的有come, go, arrive, leave, begin, start, buy, join, die, buy, find, stop, become, open, borrow, lend, appear, close, fall, finish, sell, lose, kill等,這些動(dòng)詞不能和表示一段時(shí)間的時(shí)間狀語連用。 但是,非延續(xù)性動(dòng)詞的否定形式可以表示狀態(tài)的延續(xù),可與for/since等時(shí)間狀語連用。 2021/3/939 有些同學(xué)錯(cuò)誤地認(rèn)為這類非延續(xù)性動(dòng)詞不能用于完成時(shí)態(tài)中。其實(shí),錯(cuò)誤的

24、本質(zhì)在于非延續(xù)性動(dòng)詞與時(shí)間段的錯(cuò)誤搭配,與現(xiàn)在完成時(shí)態(tài)無關(guān)。2021/3/940延續(xù)性語境中的非延續(xù)性動(dòng)詞的使用延續(xù)性語境中的非延續(xù)性動(dòng)詞的使用 在具體的語言環(huán)境中,往往會(huì)出現(xiàn)非延續(xù)性動(dòng)詞與時(shí)間段相連用的情況。由于受漢語影響,往往錯(cuò)誤地直譯為:He has fallen asleep for an hour.他睡了一小時(shí)了。()His father has died for three years.他父親去世三年了。()當(dāng)出現(xiàn)這種情況時(shí),我們往往采取以下解決方法:2021/3/941(1)將非延續(xù)性動(dòng)詞轉(zhuǎn)化為相應(yīng)的狀態(tài)動(dòng)詞。所謂狀態(tài)動(dòng)詞就是指這一動(dòng)作發(fā)生后接下來所呈現(xiàn)的狀態(tài)。如: He has

25、 been asleep for an hour. (fall asleep,“入睡”為短暫動(dòng)作,但be asleep“睡著”則為狀態(tài)動(dòng)詞,可延續(xù)。) His father has been dead for three years.(die為短暫動(dòng)詞,“死”后的狀態(tài)可用“be dead”這種系表結(jié)構(gòu)來描述,可延續(xù)。)2021/3/942常見的這種動(dòng)詞的轉(zhuǎn)化有以下幾類:常見的這種動(dòng)詞的轉(zhuǎn)化有以下幾類: go therebe there, come backbe back, borrowkeep, buy/catchhave, arrivebe in, beginbe on, openbe op

26、en, closebe closed, diebe dead, leavebe away from, get upbe up, fall asleepbe asleep, becomebe, joinbe in/a member of, receivehave, catch/get a coldhave a cold, get marriedbe married,come be in,finish be over, leaver be away2021/3/943 have have (hashas)been been 和和have have (hashas) gone gone 的區(qū)別的區(qū)別

27、 have been to a place意思是“到過、去過”,表示曾到過某處,但現(xiàn)在人不在那兒;have gone to a place表示“去了”,已經(jīng)去了某地,現(xiàn)在人可能在去的途中或已經(jīng)到那兒了。2021/3/944You have _ a tall young man. A grown B grown into C grown us D grown up2. He has _ the watch for a year. A buy B bought C have D had3. Has your brother _ the dog? A kept in B fed C fed on D

28、 kept on4. I _this book for two weeks, I have to return it now.A borrowed B have borrowed C kept D have kept5. Have you ever _to the Great Wall? Its very beautiful. A gone B been C went D go 6. Her brother _the Party since 1978. A joined B has joined C has been in D was in 7. The Greens _many places

29、 of interest since they came to China. A will visit B visited C have visited D visit2021/3/9458 Im sorry, I _ your name. A had forgotten B forgot C have forgotten D forgotten9 The bookshop _ for eight years. A has been open B has been opened C has opened D has open10 We have_ all the paper so we nee

30、d to buy some.A used up B made of C filled with D hunted for11 The flower I _grown up. A planted has B planted have C has planted D have planted2021/3/946巧解現(xiàn)在完成時(shí)態(tài)題巧解現(xiàn)在完成時(shí)態(tài)題2021/3/947技巧技巧1: 1:尋找現(xiàn)在完成時(shí)中的尋找現(xiàn)在完成時(shí)中的“段時(shí)段時(shí)間間”。(1) 現(xiàn)在完成時(shí)表示過去已經(jīng)開始并持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài),多和表示一段時(shí)間的狀語連用:for+一段時(shí)間;since+點(diǎn)時(shí)間(since作連詞后接從句時(shí),該從句要用

31、一般過去時(shí)) 。(2) 現(xiàn)在完成時(shí)態(tài)也用在含有during / in/ over the last years或in recent years等的句子中。2021/3/948趁熱打鐵2021/3/9491. The Oriental Pearl TV Tower _ tens of thousands of visitors since 1995. attracted B. attracts C. has attracted D. will attract 2. How long _ you _ here? For about two years so far.have, studied B.

32、 did, live C. do, stay D. were, swimming 3. How is your father? I _him for a long time.He is fine, but busy.dont see B. hadnt seen C. didnt see D. havent seen 4. Meimei has received several letters from her hometown since she _ to the city. A. cameB. comes C. has comeD. will come 2021/3/950技巧技巧2: 2:

33、尋找現(xiàn)在完成時(shí)的副尋找現(xiàn)在完成時(shí)的副詞標(biāo)志或句型。詞標(biāo)志或句型。(1) 在做時(shí)態(tài)題時(shí),注意觀察句中是否有常用于現(xiàn)在完成時(shí)的副詞:yet, already, never, lately, recently, ever, just, before, (ever) since等。(2) 句型:It has been + 段時(shí)間+since + 過去時(shí). 也可以表示為: It is + 段時(shí)間+since + 過去時(shí).2021/3/951趁熱打鐵趁熱打鐵What are you going to do this weekend? I _ yet.havent decided B. wont decid

34、e C. have decided D. didnt decide 2. My mother _ the windows already, so the room looks much brighter. has cleaned B. had cleaned C. is cleaning D. will clean 3. It _ ten years since we last _ in Beijing. was, met B. has been, met C. was, meet D. is, meet 4. How long has the weather been like this?

35、_.Until last night B. Ever since last night C. Two days ago D. Two days later 2021/3/952技巧技巧3: 3:把握把握have been tohave been to與與have gone tohave gone to的區(qū)別。的區(qū)別。 have been to 曾經(jīng)去過某處(現(xiàn)在已經(jīng)不在那個(gè)地方,強(qiáng)調(diào)以前的經(jīng)歷)have gone to去了某處(強(qiáng)調(diào)主語已經(jīng)離開說話者所在的地方,現(xiàn)在還沒有回來) 2021/3/953趁熱打鐵2021/3/9541. Is that Jack speaking? Sorry, h

36、e isnt in right now. He _ the cinema with his aunt. has been to B. has gone to C. have been to D. have gone to 2. Hello, may I speak to your father, please? Sorry, my father _ to Shanghai. He went there this morning. A. goes B B. has gone C. has beenD. go 3. How many times _ you _ to Beijing this ye

37、ar? Three times. have, been B. had, been C. have, gone D. had gone 2021/3/955技巧技巧4: 4:分清延續(xù)性動(dòng)詞和非延續(xù)性動(dòng)分清延續(xù)性動(dòng)詞和非延續(xù)性動(dòng)詞。詞。延續(xù)性動(dòng)詞是指那些動(dòng)作可以持續(xù)的動(dòng)詞。如:have, keep, study, live, teach等。非延續(xù)性動(dòng)詞是指那些動(dòng)作瞬間完成的動(dòng)詞。如:begin, buy, borrow, lend等。做題時(shí),要注意句中是否有段時(shí)間,如果有則用延續(xù)性動(dòng)詞。2021/3/956趁熱打鐵2021/3/9571. Oh, Mrs. King, your dress loo

38、ks nice. Is it new? No, I _ it since two years ago. had B. bought C. have had D. have bought2. Tom _ the CD player for two weeks. has lent B. has borrowed C. has bought D. has had 3. How long has the foreigner _ here? He has _ here for several hours. arrived; come B. come; got C. stayed; been D. left; been away 4. The film _ for half an hour. has begun B. has been begun C. has been on D. began2021/3/958過去完成時(shí)2021/3/959過去完成時(shí)過去完成時(shí) 1

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