新目標八年級下現(xiàn)在完成時和現(xiàn)在完成進行時

1、 I clean the blackboard every day. Ill clean the blackboard in several minutes. Im now cleaning the blackboard. I cleaned the blackboard several minutes ago. I have cleaned the blackboard for several minutes. I have been cleaning the blackboard for several minutes / since several minutes ago.現(xiàn)在完成時和現(xiàn)

2、在完成進行時的區(qū)別現(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別 I (1)(1)表示從過去某一時間開始一直在進表示從過去某一時間開始一直在進行的動作行的動作, , 并有可能持續(xù)下去并有可能持續(xù)下去, , 強調(diào)強調(diào)動作的全過程；動作的全過程； 表示從過去到現(xiàn)在的重復性動作。表示從過去到現(xiàn)在的重復性動作。 (2) (2)注意注意: :多用于延續(xù)性動詞，如多用于延續(xù)性動詞，如work, live, study, skate, collect 表示在某一特定時間之前曾經(jīng)發(fā)生過的動作表示在某一特定時間之前曾經(jīng)發(fā)生過的動作, ,或者到這一時間為止已經(jīng)完成的動作或者到這一時間為止已經(jīng)完成的動作. .1.現(xiàn)在完成時現(xiàn)在完

3、成時: have + 過去分詞過去分詞2.現(xiàn)在完成進行時現(xiàn)在完成進行時:have + been +現(xiàn)在分詞現(xiàn)在分詞現(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別現(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別 II（1）在不用時間狀語的情況下，現(xiàn)在完成進行時表示動作仍在進行。而現(xiàn)在完成時則表示動作在過去已結(jié)束。如： The students have been preparing for the exam. （還在進行）學生們一直在準備考試。 The students have prepared for the exam. （已經(jīng)結(jié)束）學生們?yōu)榭荚囎髁藴蕚洹?（2）在強調(diào)指出動作還未結(jié)束，還要繼續(xù)下去。如： Ive bee

4、n reading this book for two hours, but I havent finished it. 這本書我已讀了兩個小時了，但我還沒讀完。 Ive read this book. 我已讀完這本書了?，F(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別現(xiàn)在完成時和現(xiàn)在完成進行時的區(qū)別 II（3）有些表示狀態(tài)、感情、感覺的靜態(tài)動詞，如：have, like, hate, hear, know, sound等動詞不能用于現(xiàn)在完成進行時，但可用于現(xiàn)在完成時。如： Theyve known each other since 1970. 自從1970年起他們就相互認識了。 （4）現(xiàn)在完成進行時也可表示

5、現(xiàn)在以前這段時間反復發(fā)生的事情。如： Weve been seeing each other quite a lot recently. 最近我們經(jīng)常見面?，F(xiàn)在完成時和現(xiàn)在完成進行時的聯(lián)系現(xiàn)在完成時和現(xiàn)在完成進行時的聯(lián)系1簡略回答都一樣Yes, I/we/they have. No, I/we/they havent.Yes, he/she/it has. No, he/she/it hasnt.2時間狀語：都可以用for或sinceThey have skated _ .They have been skating _.A three hours agoB for three hours a

6、goC since three hours agoD for three hours E since three hours Exercise I（單項選擇）（單項選擇） Even though they _ for twenty years, the two neighbors do not get on well with each other. A. have been lived side by side B. had been living side by side C. have been side by side living D. have been living side b

7、y side 2. I havent seen Mary these past few days, Im afraid she _ herself for some time. A. hasnt been feeling B. hadnt been feeling C. isnt feeling D. wasnt feeling 3. She _ on this essay for twenty minutes but she has written only about a hundred words. A. will be working B. worked C. has been wor

8、king D. will have worked 4. -Hi, Tracy, you look tired. -Im tired. I _ the living room all day. A. painted B. had painted C. have been painting D. have painted 5. -Hi, Joan, I have seen you for weeks. What _ recently? -Carrying on some research on wildlife. A. have you been doing B . have you done C

9、. were you doing D. did you do 6. You must be tired now since you _ for five hours. A. have been worked B. have been working C. worked D. would work 動作動作 時間時間一般一般完成完成進行進行完成進行完成進行現(xiàn)在現(xiàn)在一般現(xiàn)在時一般現(xiàn)在時I do 現(xiàn)在完成時現(xiàn)在完成時I have done現(xiàn)在進行時現(xiàn)在進行時I am doing現(xiàn)在完成進行時現(xiàn)在完成進行時I have been doing過去過去一般過去時一般過去時I did過去完成時過去完成時I

10、had done過去進行時過去進行時I was doing過去完成進行時過去完成進行時I had been doing將來將來一般將來時一般將來時I shall/will do將來完成時將來完成時I shall/will have done將來進行時將來進行時I shall/will be doing將來完成進行時將來完成進行時I shall/will have been doing過去過去將來將來一般過去將來一般過去將來時時I should/would do過去將來過去將來完成時完成時I should/would have done過去將來過去將來進行時進行時I should/would b

11、e doing過去將來過去將來完成進行時完成進行時I should/would have been doing16 Different Tenses (動詞的動詞的16種時態(tài)種時態(tài))一般時的用法 I. 一般現(xiàn)在時：1. 用法和意義（1）表示現(xiàn)在經(jīng)常性或習慣性的動作或狀態(tài)，如: I write to my penfriend in England once a month. （2）表示普遍真理或客觀事實，如: Oil is lighter than water. Time waits for no man.（3）報刊雜志、故事情節(jié)介紹和舞臺說明等也用一般現(xiàn)在時。2. 常見的時間狀語： alway

12、s, often, sometimes, usually, every day, twice a week, now and then等。 但有時時間狀語不表示出來。一般時的用法 II. 一般過去時： 表示過去發(fā)生的動作或存在的狀態(tài)，通常與表示過去的時間狀語連用。yesterday, the day before yesterday, last night/week/month/year/summerin 1999, a moment ago, this time, this morning, in those days, just now.如：We went to see his uncle

13、 last year.一般時的用法 III. 一般將來時：（1）表示在將來某一時間將要發(fā)生的動作或狀態(tài)。常與表示將來的時間狀語連用， tomorrow, the day after tomorrow, this evening, tonight, next week/month/year, in ten minutes, some day, in 2001, in the future, at the end of next semester.如：There will be a meeting next month.（2）常用”be going to+動詞原形”的結(jié)構(gòu)表示主語的主觀想法或打算，

14、如： Were going to have a trip in Hawaii.進行時的用法 (1)表示某一時刻或某一階段時間正在進行著的動作。強調(diào)動作進行的過程，而非狀態(tài)。一般來說， 靜態(tài)動詞如have, own, seem等，或表示知覺、情感的動詞如see, hear, taste, know, believe, understand, think, like, love, hate, want等沒有進行時態(tài)。 有時用進行時態(tài)，也是具有別的含義。如： I think you are right. 我認為你是對的。 Shes thinking about the problem. 她正在思考那

15、個問題。(2) 常見的時間狀語： at this time, at this momentExercise IIHurry up, or we _ (miss) the plane.Do you know the earth _ (go) round the sun?Lily, go and get the telephone. It _ (ring).He _ (not make) sure if he _ (visit) the factory if he _ (come) back early.She said that she _ (return) to the area the ne

16、xt month.Exercise IIWhat _ you _ (do) between 8 and 10 yesterday morning?After he turned on the light he _ (begin) to read books.When I entered the room, he _ (lie) in bed.The story _ (happen) long ago.They _ (watch) the NBA match at this time yesterday.Half的用法的用法1. 一個半小時an hour and a half = one and a half hours2. 半數(shù)的學生為女孩.Half the students are girls.4. 4的一半是2.Half of four is two.3. 他們中的一