專升本英語講解-時態(tài)課件

1、專升本英語講解時態(tài)專升本英語講解時態(tài)一、一般現(xiàn)在時形式：Vs或V1.表示經(jīng)常的或習(xí)慣性的動作常與表示頻率的時間狀語連用:always，usually，every morning/week/year，often，sometimes，seldom，once a month等He uses Alipay to pay bills.一、一般現(xiàn)在時2.描述主語固有的狀態(tài)、性質(zhì)、特征、能力等。 She is ugly. 3. 陳述客觀真理，客觀存在，科學(xué)事實。 The earth moves around the sun. 4.表示格言或警句中。 Pride goes before a fall. 驕兵必

2、敗2.描述主語固有的狀態(tài)、性質(zhì)、特征、能力等。5.少數(shù)動詞如go,come,leave, arrive, begin, start,be 等，用一般現(xiàn)在時，表示按規(guī)定、計劃要發(fā)生的事情。The plane takes off at 6.6.在時間和條件狀語中，用一般現(xiàn)在時表示將來事情。 (主將從現(xiàn))I will tell you as soon as he arrives.If you pass the exam, I will give you a gift.5.少數(shù)動詞如go,come,leave, arrive, 二、現(xiàn)在進行時現(xiàn)在進行時的構(gòu)成是：be+動詞的ing1.表示正在進行的動詞

3、I am learning.二、現(xiàn)在進行時現(xiàn)在進行時的構(gòu)成是：be+動詞的e,go,leave,return, arrive, begin,start等，用現(xiàn)在進行時表示不遠(yuǎn)的將來要發(fā)生的事情。Christmas day is coming.They are getting married next e,go,leave,return, arrive三、現(xiàn)在完成時形式:have/has+動詞ed1.表示在說話之前已經(jīng)完成的動作,強調(diào)動作對現(xiàn)在的影響。和包括現(xiàn)在在內(nèi)的表示一段時間的狀語連用recently , already , just, lately , for, since,yet 等。2

4、.表示過去動作的結(jié)果，現(xiàn)在仍殘留著；I have lost my watch.我把手表丟了三、現(xiàn)在完成時形式:have/has+動詞edsince 和 for 的區(qū)別since 后接時間點,如 1993,last term, yesterday , the time I got therefor 后接一段時間,表示“長達多久”,如 ten years, a while, two days 等。Jim has been in Ireland _ Monday.Jim has been in Ireland _ three days.since 和 for 的區(qū)別3.在“this is the f

5、irst/ second/ third time that”句型里要求用完成時。 This is the second time that I have been here. 4. It is/ has beensince sb. did sthIt is/ has been 10 years since I last saw him.3.在“this is the first/ second/四、現(xiàn)在完成進行時形式have / has been +動詞ing1.表示一個從過去某時開始一直持續(xù)的動作I have been studying English for 3 hours.四、現(xiàn)在完成進

6、行時Tomisaworker.He_inafactory.Hissisters_inahospital.A.work/workB.works/workC.work/worksD.works/worksItseightoclock.Thestudents_anEnglishclass.A.haveB.havingC.ishavingD.arehavingTomisaworker.He_inaf五、一般過去時形式：動詞ed1.表示過去某個特定時間內(nèi)發(fā)生的動作或狀態(tài).常與過去時間狀語如yesterday, two days ago, last year, just now, in the old d

7、ays等連用。eg. He came to Beijing when he was 10 years old. 五、一般過去時2.表示過去習(xí)慣性動作。used to do表達的句型，本身表示的 就是過去時。I used to go to school by bus when I was a high school student. 2.表示過去習(xí)慣性動作。used to do表達的句型，本身3. A.It is time for sb. to do sth 到時間了 該了It is time for you to go to bed. B.It is time sb. did sth. 時間已

8、遲了“, 早該了“ It is time you went to bed. 你早該睡覺了。3. A.It is time for sb. to do 現(xiàn)在完成時和過去時的區(qū)別在于：現(xiàn)在完成時強調(diào)動作對現(xiàn)在有影響；過去時只表示過去的某個具體時間里發(fā)生的動作，與現(xiàn)在沒有聯(lián)系。He worked in that hospital for 8 years. He has worked in that hospital for 8 years.現(xiàn)在完成時和過去時的區(qū)別在于：六、過去進行時形式：be的過去時+doing表示在過去某一時刻或某一段時間內(nèi)正進行動作。What was she doing at

9、9 oclock yesterday? 六、過去進行時2. 在復(fù)合句中，如果主從句動作同時發(fā)生的，動詞都可用過去進行時。While he was waiting for the bus, he was reading a newspaper.2. 在復(fù)合句中，如果主從句動作同時發(fā)生的，動詞都可用過去進七、過去完成時形式：had + done表示在過去的某個時間以前已經(jīng)發(fā)生的動作。1.表示較早的過去A.用過去完成時，必須有一個過去的時間或動作來做參照，說明在此之前事情已經(jīng)發(fā)生。I had taught here for 5 years by the end of last term. 七、過去完

10、成時B.如果兩個動作都是在過去發(fā)生，先發(fā)生的用過去完成時（had done），后發(fā)生的用一般過去時（did）When we arrived, the football match had already begun.B.如果兩個動作都是在過去發(fā)生，先發(fā)生的用過去完成時（had2.用于賓語從句主句中用了know, realize, think, suppose, guess, find, discover，decide, remember, forget等動詞的一般過去時，如果賓語從句中的動作先于主句的動作，用過去完成時：We realized we had lost our way. 2.用于

11、賓語從句主句中用了know, realize, t 3. no soonerthan, hardly (scarcely)when,前面用過去完成時，后面用一般過去時No sooner had he stolen the money than he was caught red-handed.4. It was the first / second time. that結(jié)構(gòu)中的從句部分，用過去完成時。 It was the third time that the boy had been late. 3. no soonerthan, hardly (scShe said her brothe

12、r _ in Beijing. He _ to Japan on business last week.A. wasnt, went B. hasnt, went C. wasnt, go D. isnt, went 專升本英語講解時態(tài)I lost the book which I Ahave bought Bbought Chad bought Dhad been bought The bus had gone when I at the bus stop Ahave arrived Barrived Chad arrived Dam arriving I lost the book whi

13、ch I A: I called you at about 8:30 last night , but nobody answered .B: Oh , I _ in my office at that time .A. will work B. was working C. worked D. had worked A: I called you at about 8:30八、一般將來時形式：i/we+ shall/will+動詞原形, 其他人稱+will +動詞原形表示將來某一時刻的動作，常連用：tomorrow， next week，in the future等。 I will / sh

14、all go to visit him next week. 八、一般將來時2be going to ，表示將來。 a. 計劃，安排要發(fā)生的事。 The product is going to be launched next month.b. 有跡象要發(fā)生的事 Look at the dark clouds, there is going to be a storm.2be going to ，表示將來。 a. 計劃，安排will主要用于在以下幾個方面： 1.未經(jīng)過預(yù)先考慮的There is somebody at the door.Ill go and open it. 2、表示不以人的意

15、志為轉(zhuǎn)移的自然發(fā)展的未來的事。Today is Saturday. Tomorrow will be Sunday. will主要用于在以下幾個方面： 3. be to將來We are to discuss it next Saturday.4. be about to ，表示正要。He is about to leave for Beijing.3. be to將來九、將來進行時形式：shall/will be doing表示將來某一時間正在進行的動作Shell be sleeping at this time tomorrow.九、將來進行時十、過去將來時 Would do 表示在過去將來

16、某一時間發(fā)生的動作 John told us that he would go to the university next year. 十、過去將來時 十一、將來完成時Shall/will have done表示在將來某一時間之前已完成的動作。 We shall have learned all essays by the end of this term. 十一、將來完成時復(fù)合句中時態(tài)的搭配1.主句是現(xiàn)在時或?qū)頃r，從句可以是任何時態(tài)。He says his father is /was /will be a teacher.復(fù)合句中時態(tài)的搭配2.主句時過去時態(tài)，從句也為過去時態(tài)中的一種。

17、a.主句與從句動作同時發(fā)生，從句用一般過去時或過去進行時。He said he was playing basketball.b. 從句動作發(fā)生在主句之后， 從句用過去將來時。He said that he would study in China next year.2.主句時過去時態(tài)，從句也為過去時態(tài)中的一種。c. 從句動作發(fā)生在主句之前， 從句用過去完成時。The college student said he had finished his high school course.d.從句為一般真理或者客觀事實時， 即使主句是過去時，從句仍用一般現(xiàn)在時。The teacher said

18、 the earth is round.c. 從句動作發(fā)生在主句之前， 從句用過去完成時。Ex:At 7 oclock, he said he _ (finish) his homework at 6.In class, he said he _ (post) the letter after class.He said the sun _(be) round專升本英語講解時態(tài)1.-Do you know our town at all? - No, this is the first time I _ here.A. was B. have been C. came D. am coming 2.You dont need to describe her. I _ her several times.A. had metB. have m