過(guò)去完成時(shí)練習(xí)題答案【過(guò)去完成時(shí)練習(xí)_如何判斷時(shí)態(tài)和關(guān)于時(shí)態(tài)的練習(xí)】1. 單項(xiàng)選擇
1．He asked me __A___ during the summer holidays.
A. where I had been B. where I had gone C. where had I beenD. where had I gone
2. What _D___ Jane ____ by the time he was sever?
A. did, doB. has,doneC did, did.D. had,done
3. I ___C___ 900 English words by the time I was ten 。
A. learnedB. was learningC. had learnedD. learnt
4. She ___A___lived here for ______ years.
A. had,a fewB. has,severalC. had,a lot ofD. has,a great deal of
5. By the time my parents reached home yesterday, I __A___ the dinner already.
A had cookedB. cookedC. have cookedD. was cooked
6. She said she __D________ the principle already
A .has seenB. sawC. will seeD. had seen
7. She said her family __B_____ themselves ______ the army during the war.
A. has hidden, fromB. had hidden, fromC. has hidden, withD. had hidden, with
8. By the time he was ten years old, he ___D______.
A.has completed universityB. has completed the university
B.had completed an universityD. had completed university
9. She had written a number of books ___C___ the end of last year.
A. forB. inC. byD. at
10. He __B___ to play ____ before he was 11 years old.
A had learned, pianoB. had learned, the piano
C. has learned, the pianoD. learns ,piano.
11. What __D_____ Annie ____ by the time he was ten?
A. did, doB. did, didC. has, doneD. had done
12 .He _C__ in the factory for three years before he joined the Army.
A. has workedB. worksC. had workedD. will work
13. By the end of last week, they _D___ the bridge.
A. has completedB. completedC. will completeD. had completed
14. Ben hates playing _D____ violin,but he likes playing ____ football.
A. a…theB. the… theC. / …theD. the…/
15. By the time he was 4,he _A_____ a lot of German words.
A. had learnedB. has learnedC. learnedD. learns
16 .Jim turned off the lights and then __D___ the classroom.
A. was leftB. had leftC. has leftD. left
17.They ____C_____ in Guangzhou since 2000.
A. livedB. had livedC. have livedD. were living
18. The train from Beijing__C_____ ten minutes ago.
A. has arrivedB. was arrivingC. arrivedD. had arrived
19. The students ___B______ their classroom when the visitors arrived.
A . have cleanedB. had cleanedC. was cleanedD. have been cleaned
20. Fergie__B_____ the project in one hour.
A. have finishedB. will finishC. finishesD. has finished
21. The man ___A_____ his coat and went out.
A. put onB. had put onC. will put onD. was putting on
22 My mother_____ in that factory at the age of 18.
A. had workedB. has workedC. workedD. works
23. Dad _C_______ while he _______ TV.
A .fell asleep…watchB. was falling asleep…watched
C. fell asleep……was watchingD. had fallen asleep…watched
2.用動(dòng)詞的適當(dāng)形式填空
1. We ___had painted____ (paint) the house before we moved________ (move) in.
2. That rich old man __had made___ (make) a will before he died(die).
3. They __had studyed_ (study) the map of the country before they _left___ (leave).
4. The robbers _had run away____ (run away ) before the policemen arrived (arrive).
5. I __turned off_____ (turn off) all the lights before I __went___ (go) to bed.
6. Paul went (go) out with Jane after he _made _____ (make)a phone call.
7. Tom ___said__ (say) he had read_______ (read) the book twice.
8. Our plan ____failed_ (fail ) because we _had made______ (make) a bad mistake.
9. When the chairman ___finished_____ (finish) speaking, he ____left____ (leave)the hall.
10.The Reads were having (have) lunch when I ___got_____(get) to their house.
11.When I __arrived________(arrive) at the station, he ___had left_____(leave).
12..We _____had learned___(learn) about 4000 English words by the end of last term.
13. I waited until he __finished_____(finish) his homework.
14. We were surprised at what she _had____already __done____(do)
15.She _didn't go___(not go) to Qingdao because she ___had went____ (go) there before.
16. He __hasn't told (not tell) you the news yet.
17. He said he __had______already___given___(give) the book to the teacher.
18. I ____have been_____(be) to Shanghai before.
19. She told me she ___had been_______(be) to Sanya three times.
20.She __was playing________(play) the guitar while her sister__was singing______(sing).
3．句型轉(zhuǎn)換
1．I had sold the ticket when she came.（改否定句）
I did not have sold the ticket when she came.
2.She had sung a song to us before she danced.（改否定句）
She didn't have sung a song to us before she danced.
3.They began to climbed the mountain after they had bought all the food and drink.（否定）
They did not begin to climbed the mountain after they had bought all the food and drink.
4.By 10:00 a.m, I had been very hungry. （改一般疑問）
Had you been very hungry by 10:00 am?
5.Lucy had already completed the project when I arrived.（改一般疑問）
Had lucy already completed the project when I arrived.
6.By the time he got to the airport, the plane had taken off. （改一般疑問）
Had th eplane taken off by the time he got to the airport?
7..He had broken his arm when I saw him.（對(duì)劃線部分提問）
How was he when you saw him?
8.When he had read the note, he ate it. （對(duì)劃線部分提問）
What did he do when he had the note?
9..Jack didn’t go to the cinema because he had seen the film. （對(duì)劃線部分提問）
Why did Jack not go to the cinema?
10.We had had the toys for ten years before we gave them to the child. （對(duì)劃線部分提問）
How long did you have had the toys before you gave them to the child?
11.She had written the book by the end of 1960. （對(duì)劃線部分提問）
What had she written by the end of 1960?
12.We cooked the dumplings. We ate them up. （用過(guò)去完成時(shí)連接兩句）
We ate the dumplings after we had cooked them.
13.Jim’s father mended the car. It was broken. （用過(guò)去完成時(shí)連接兩句）
The car had broken before Jim's father manded it.
14.We had our tests. Then we had a long holiday.( 用過(guò)去完成時(shí)連接兩句)
After we ___had had hour teats________, we ___had a long holiday___________
15.He showed us a picture. Then he showed us around the house. 用過(guò)去完成時(shí)連接兩句)
Before he ___had showed us around the house_______, he_______showed us a picture___________
過(guò)去完成時(shí)練習(xí)題c B B我哦 ， 謝謝啦
語(yǔ)法練習(xí)：用動(dòng)詞的適當(dāng)形式填空（一般過(guò)去式和過(guò)...1. We _____hadpainted____ (paint) the house before we ____moved______ (move) in.
這句話中主句是過(guò)去完成時(shí)，時(shí)間狀語(yǔ)從句是一般過(guò)去時(shí)，體現(xiàn)了過(guò)去的過(guò)去 。
譯：我們?cè)诎徇M(jìn)去前就把房子刷好了 。
2. That rich old man _____hadmade________ (make) a will before he ______died_______ (die).譯：那個(gè)有錢人在臨死前離了份遺囑 。
突出主句中立遺囑是在死之前 。
3. They ____hadstudied_____ (study) the map of the country before they ___left_____ (leave).譯：他們?cè)陔x開之前就仔細(xì)研究了這個(gè)國(guó)家的地圖 。
突出主句中研究地圖是在離開之前 。
4. The robbers __hadrun away____ (run away ) before the policemen ___arrived____(arrive).譯：那群劫匪在警察來(lái)之前就逃跑了 。
突出主句中劫匪逃跑是在警察來(lái)之前 。
5. I __had turn off_____ (turn off) all the lights before I _____went_______ (go) to bed.
譯：我在睡覺之前把所有的燈都關(guān)了 。
突出關(guān)燈是在睡覺之前
6. Paul ____went___ (go) out with Jane after he ____hadmade______ (make)a phone call.
譯：保羅在打完電話后和簡(jiǎn)出去了
突出出去是在打完電話之后，即打電話是在出去之前
7. Tom ____said__ (say) he ______hadread_____ (read) the book twice.
譯：湯姆說(shuō)他已經(jīng)讀過(guò)兩遍那本書了 。
突出讀是在他說(shuō)之前 。
8. Our plan ____failed______ (fail ) because we _______hadmade______ (make) a bad mistake.
譯：我們的計(jì)劃由于重大失誤宣告破產(chǎn) 。
原因狀語(yǔ)從句有主將從先一說(shuō) ， 在這里就體現(xiàn)在主句時(shí)態(tài)比從句時(shí)態(tài)更接近現(xiàn)在 。即從句是在過(guò)去的過(guò)去 。
9. When the chairman ___hadfinished____ (finish) speaking, he __left_____ (leave)the hall.
譯：在主席講完話之后 ， 他離開了大廳 。
突出講完話是在離開以前 。
10.The Reads __hadhad_____(have) lunch when I ______got______(get) to their house.
譯：我到里德家的時(shí)候 ， 他們已經(jīng)吃過(guò)午飯了 。
突出吃完飯是在我到之前
11.When I ______arrived_____(arrive) at the station, he ______hadleft_________(leave).
譯：我到車站的時(shí)候 ， 他已經(jīng)走了 。
突出他走是在我到車站以前
12.We _______hadlearnt______(learn) about 4000 English words by the end of last term.
譯：上個(gè)學(xué)期結(jié)束前我們已經(jīng)學(xué)了大約4000個(gè)英語(yǔ)單詞了
突出學(xué)4000個(gè)英語(yǔ)單詞是在學(xué)期末以前 。
13. I waited until he _____finished________(finish) his homework.
譯：我一直等到他寫完作業(yè) 。
until引導(dǎo)了一個(gè)時(shí)間狀語(yǔ)從句 ， 這里只表示一個(gè)時(shí)間點(diǎn)
14. We were surprised at what she __had____already ___done___(do)
譯：我們對(duì)她做的事感到震驚 。
突出做事是在我們震驚之前 。
15.She ____didn'tgo__(not go) to Qingdao because she ____hadbeen______ (be) there before.譯：她沒去青島，因?yàn)樗郧叭ミ^(guò)了 。
突出去過(guò)是在這次沒去以前
16. He ________has not told______(not tell) you the news yet.
譯：他還沒告訴你那條新聞
根據(jù)yet判斷用完成時(shí)態(tài)，根據(jù)實(shí)際情景判斷用現(xiàn)完 。
17. He said he _____had________already_____given____(give) the book to the teacher.
突出還書是在說(shuō)話以前
18. I _______haven't been_______(be) to Shanghai before.
譯：我還沒去過(guò)上海呢 。
根據(jù)before判斷用現(xiàn)完 。
19. She told me she _______had been__________(be) to Sanya three times.
譯：她告訴我她已經(jīng)去過(guò)三次三亞了 。
去三次三亞是在她告訴我之前
20.She ______wasplaying______(play) the guitar while her sister______was singing______(sing).
譯：她妹妹唱歌的時(shí)候她在彈吉他
while引導(dǎo)時(shí)間狀語(yǔ)從句，時(shí)態(tài)一般為進(jìn)行時(shí)態(tài)
又：She _plays_the guitar while her sister _sings_.
譯：她彈吉他，而她妹妹唱歌 。
while表轉(zhuǎn)折
求英語(yǔ)語(yǔ)法現(xiàn)在完成時(shí)講解，例子，習(xí)題（附答案）現(xiàn)在完成時(shí)
現(xiàn)在完成時(shí)是英文時(shí)態(tài)的一種
現(xiàn)在完成時(shí)的用法
have(has)+過(guò)去分詞(done)
1.現(xiàn)在完成時(shí)用來(lái)表示現(xiàn)在之前已發(fā)生過(guò)或完成的動(dòng)作或狀態(tài),但其結(jié)果卻和現(xiàn)在有聯(lián)系,也就是說(shuō),動(dòng)作或狀態(tài)發(fā)生在過(guò)去但它的影響現(xiàn)在還存在.
I have lost my wallet.(含義是:現(xiàn)在我沒有錢花了.)
Jane has laid the table.(含義是:已可以吃飯了.)
Michael has been ill.(含義是:現(xiàn)在仍然很虛弱)
He has returned from abroad. (含義是:現(xiàn)在已在此地)
2. 現(xiàn)在完成時(shí)可以用來(lái)表示發(fā)生在過(guò)去某一時(shí)刻的,持續(xù)到現(xiàn)在的情況,常與for,since連用.
Mary has been ill for three days.
I have lived here since 1998.
3. 現(xiàn)在完成時(shí)往往同表示不確定的過(guò)去時(shí)間狀語(yǔ)連用,如already, yet, just, before, recently, lately等:
He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet
4. 現(xiàn)在完成時(shí)常常與表示頻度的時(shí)間狀語(yǔ)連用,如often, sometimes, ever, never, twice, on several occasion等:
Have you ever been to Beijing
I have never heard Bunny say anything against her.
I have used this pen only three times. It is still good.
George has met that gentleman on several occasions.
5. 現(xiàn)在完成時(shí)還往往可以同包括現(xiàn)在時(shí)間在內(nèi)的時(shí)間狀語(yǔ)連用,如now, up to these few days/weeks/months/years, this morning/week/month/year, now, just, today, up to present, so far等:
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has bee too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
6. 現(xiàn)在完成時(shí)表示現(xiàn)在之前業(yè)已完成的動(dòng)作,雖然其效果或影響仍然存在但已不再繼續(xù),但是有一些現(xiàn)在完成時(shí)的句子,在后面加上for+一段時(shí)間,則現(xiàn)在完成時(shí)的動(dòng)作就表示延續(xù)性.
Thomas has studied Russian. (現(xiàn)在不再學(xué)俄語(yǔ))
Thomas has studied Russian for three years. (=Thomas began to study Russian three years ago, and is still studying it now.(同第2點(diǎn)用法第一個(gè)例句)
7. 現(xiàn)在完成時(shí)還可以用來(lái)表示過(guò)去的一個(gè)時(shí)間到現(xiàn)在這段時(shí)間內(nèi)重復(fù)發(fā)生的動(dòng)作.
We have had four texts this semester.
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現(xiàn)在完成時(shí)的“完成用法”和“未完成用法”
1.現(xiàn)在完成時(shí)的"完成用法"
現(xiàn)在完成時(shí)的"完成用法"指的是動(dòng)作發(fā)生在過(guò)去某一時(shí)刻并已結(jié)束 ， 但該動(dòng)作對(duì)現(xiàn)在產(chǎn)生了影響 ， 與現(xiàn)在情況具有因果關(guān)系 。
例如：He has turned off the light.他已把燈關(guān)了 。(動(dòng)作結(jié)束于過(guò)去 ， 但說(shuō)明的是現(xiàn)在的情況--燈現(xiàn)在不亮了 。)
現(xiàn)在完成時(shí)"完成用法"的特點(diǎn)是動(dòng)作不延續(xù)，因此，該時(shí)態(tài)只能與表示不定的過(guò)去時(shí)間狀語(yǔ)(如：already，yet，before，recently等)、頻度時(shí)間狀語(yǔ)(如：never，ever，once等)、包括現(xiàn)在時(shí)刻在內(nèi)的時(shí)間狀語(yǔ)(如：this morning ／ month ／year...，today等)連用 。
例如： Have you found your pen yet？你已找到你的鋼筆了嗎？
2.現(xiàn)在完成時(shí)的"未完成用法"
現(xiàn)在完成時(shí)的"未完成用法"指的是動(dòng)作開始于過(guò)去某一時(shí)刻，一直延續(xù)到現(xiàn)在，或可能還要繼續(xù)下去 。
例如：He has lived here since 1978.自從1978年以來(lái)，他一直住在這兒 。(動(dòng)作起始于1978年，一直住到現(xiàn)在 ， 可能還要繼續(xù)住下去 。)
I have been in the army for more than 5 years.我在部隊(duì)已經(jīng)呆了五年多了 。(動(dòng)作開始于5年前，一直延續(xù)至今，有可能還要繼續(xù)下去 。)
此種用法的句中常需一個(gè)表示一段時(shí)間的狀語(yǔ)(由since或for引導(dǎo))，或表示與現(xiàn)在時(shí)刻相連的時(shí)間狀語(yǔ)(如：up to now，so far)等 。
例如：I have heard nothing from him up to now.到目前為止我沒有他的任何消息 。
注意：(1)現(xiàn)在完成時(shí)的未完成用法只適用于延續(xù)性動(dòng)詞，不可用于終止性動(dòng)詞，即瞬間完成或延續(xù)時(shí)間很短的動(dòng)詞 。如：come，go ， arrive，leave，join，become ， die等 。
(2)現(xiàn)在完成時(shí)常見兩種句型：
①主語(yǔ)＋have / has been＋for短語(yǔ)
②It is＋一段時(shí)間＋ since從句
例如：He has been in the League for three years.或It is three years since he joined the League. 他入團(tuán)已三年了
一.have/has been doing sth.
1.現(xiàn)在完成進(jìn)行時(shí)
當(dāng)后面接有一段時(shí)間的詞時(shí),或是加表示時(shí)間的詞時(shí),可以用現(xiàn)在完成時(shí).如果這件事現(xiàn)在還在持續(xù)或還在做,則可用
現(xiàn)在完成進(jìn)行時(shí).
如:I have been skating for 4 hours.
I have finished my homework.
2.現(xiàn)在完成時(shí)的被動(dòng)語(yǔ)態(tài).
后接動(dòng)詞的過(guò)去分詞.
如:The building has been built for 5 years.
二.一般現(xiàn)在時(shí):用動(dòng)詞原形
一般過(guò)去時(shí):用動(dòng)詞的過(guò)去式
一般將來(lái)時(shí):will/shall+do
is/am/are going to do
過(guò)去將來(lái)時(shí):could/would do
現(xiàn)在完成時(shí):have/has done
過(guò)去完成時(shí):had done
將來(lái)完成時(shí):shall have done
過(guò)去將來(lái)完成時(shí):would/could have done
現(xiàn)在進(jìn)行時(shí):is/am/are doing
過(guò)去進(jìn)行時(shí):was/were doing
將來(lái)進(jìn)行時(shí):will/shall be doing
過(guò)去將來(lái)進(jìn)行時(shí):would/could be doing
現(xiàn)在完成進(jìn)行時(shí):have/has been doing
過(guò)去完成進(jìn)行時(shí):had been doing
將來(lái)完成進(jìn)行時(shí):shall have been doing
過(guò)去將來(lái)完成進(jìn)行時(shí):would have been doing
如何判斷時(shí)態(tài)和關(guān)于時(shí)態(tài)的練習(xí)PS:
貓貓要考試也不怕啊～
你看大家都回答的很好啊
他們都解釋的很清楚了
其實(shí)你看到個(gè)句子就會(huì)知道它是時(shí)態(tài)的啦～
一般來(lái)過(guò)過(guò)去式的可能性最大哦～
呵呵 加油吧！ 相信你行的
英語(yǔ)的時(shí)態(tài)（tense）j是一種動(dòng)詞形式 ， 不同的時(shí)態(tài)用以表示不同的時(shí)間與方式 。
下面就英語(yǔ)中常見的八種基本時(shí)態(tài)進(jìn)行闡述 ， 其它的時(shí)態(tài)都是在這八種時(shí)態(tài)的基礎(chǔ)上結(jié)合而成的 。
一、一般現(xiàn)在時(shí)：
1.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 。
2.時(shí)間狀語(yǔ)： always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,
3.基本結(jié)構(gòu)：動(dòng)詞 原形 （如主語(yǔ)為第三人稱單數(shù)，動(dòng)詞上要加（e）S）
4.否定形式：am/is/are+not;此時(shí)態(tài)的謂語(yǔ)動(dòng)詞若為行為動(dòng)詞 ， 則在其前加don't,如主語(yǔ)為第三人稱單數(shù)，則用doesn't，同時(shí)還原行為動(dòng)詞 。
5.一般疑問句：把be動(dòng)詞放于句首；用助動(dòng)詞do提問，如主語(yǔ)為第三人稱單數(shù)，則用does ， 同時(shí)，還原行為動(dòng)詞 。
6.例句：. It seldom snows here.
He is always ready to help others.
Action speaks louder than words.
二、一般過(guò)去時(shí)：
1.概念：過(guò)去某個(gè)時(shí)間里發(fā)生的動(dòng)作或狀態(tài)；過(guò)去習(xí)慣性、經(jīng)常性的動(dòng)作、行為 。
2.時(shí)間狀語(yǔ)：ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
3.基本結(jié)構(gòu)：be動(dòng)詞；行為動(dòng)詞
4.否定形式：was/were+not;在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞 。
5.一般疑問句：was或were放于句首；用助動(dòng)詞do的過(guò)去式did 提問，同時(shí)還原行為動(dòng)詞 。
6.例句：She often came to help us in those days.
I didn't know you were so busy.
三、現(xiàn)在進(jìn)行時(shí)：
1.概念：表示現(xiàn)階段或說(shuō)話時(shí)正在進(jìn)行的動(dòng)作及行為 。
2.時(shí)間狀語(yǔ)：now, at this time, these days, etc.
3.基本結(jié)構(gòu)：am/is/are+doing
4.否定形式：am/is/are+not+doing.
5.一般疑問句：把be動(dòng)詞放于句首 。
6.例句： How are you feeling today?
He is doing well in his lessons.
四、過(guò)去進(jìn)行時(shí)：
1.概念：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.時(shí)間狀語(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.基本結(jié)構(gòu)：was/were+doing
4.否定形式：was/were + not + doing.
5.一般疑問句：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.
五、現(xiàn)在完成時(shí)：
1.概念：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，或從過(guò)去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài) 。
2.時(shí)間狀語(yǔ)：recently, lately, since…for…,in the past few years, etc.
3.基本結(jié)構(gòu)：have/has + done
4.否定形式：have/has + not +d one.
5.一般疑問句：have或has 。
6.例句：I've written an article.
It has been raining these days.
六、過(guò)去完成時(shí)：
1.概念：以過(guò)去某個(gè)時(shí)間為標(biāo)準(zhǔn) ， 在此以前發(fā)生的動(dòng)作或行為，或在過(guò)去某動(dòng)作之前完成的行為，即“過(guò)去的過(guò)去” 。
2.時(shí)間狀語(yǔ)：before, bythe end of last year(term, month…),etc.
3.基本結(jié)構(gòu)：had + done.
4.否定形式：had + not + done.
5.一般疑問句：had放于句首 。
6.例句：As soon as we got to the station, the train had left.
By the end of last month. We had reviewed four books
七、一般將來(lái)時(shí)：
1.概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)及打算、計(jì)劃或準(zhǔn)備做某事 。
2.時(shí)間狀語(yǔ)：tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.
3.基本結(jié)構(gòu)：am/is/are/going to + do；will/shall + do.
4.否定形式：was/were + not; 在行為動(dòng)詞前加didn't，同時(shí)還原行為動(dòng)詞 。
5.一般疑問句：be放于句首；will/shall提到句首 。
6.例句：They are going to have a competition with us in studies.
It is going to rain.
八、過(guò)去將來(lái)時(shí)：
1.概念：立足于過(guò)去某一時(shí)刻，從過(guò)去看將來(lái)，常用于賓語(yǔ)從句中 。
2.時(shí)間狀語(yǔ)：the next day(morning, year…),the following month(week…),etc.
3.基本結(jié)構(gòu)：was/were/going to + do；would/should + do.
4.否定形式：was/were/not + going to + do;would/should + not + do.
5.一般疑問句：was或were放于句首；would/should 提到句首 。
6.例句：He saidhe wouldgo to Beijingthe next day.
I askedwhowasgoingthere .
幾種常見時(shí)態(tài)的相互轉(zhuǎn)換
英語(yǔ)中的幾種時(shí)態(tài)在一定情況下可以互相轉(zhuǎn)換，以下是幾種常見的轉(zhuǎn)換形式：
一、一般過(guò)去時(shí)與現(xiàn)在完成時(shí)的轉(zhuǎn)換
在現(xiàn)在完成時(shí)中 ， 延續(xù)性動(dòng)詞能與表示一段時(shí)間的狀語(yǔ)連用，瞬間動(dòng)詞卻不能 。但是，可用別的表達(dá)方式：①瞬間動(dòng)詞用于“一段時(shí)間 + ago”的一般過(guò)去時(shí)的句型中；②瞬間動(dòng)詞可改成與之相對(duì)應(yīng)的延續(xù)性動(dòng)詞及短語(yǔ)，與一段時(shí)間連用；③瞬間動(dòng)詞用于“It is + 一段時(shí)間 + since + 一般過(guò)去時(shí)”的句型中，表示“自從……以來(lái)有……時(shí)間”的意思，主句一般用it is來(lái)代替It has been;④瞬間動(dòng)詞用于“Some time has passed since + 一般過(guò)去時(shí)”的句型中 。請(qǐng)看：
A.He joined the League two years ago.
B.He has been in the League for two years.
C.It is two years since he joined the League.
D.Two years has passed since he joined the League.
二、一般現(xiàn)在時(shí)與現(xiàn)在進(jìn)行時(shí)的轉(zhuǎn)換
在一般現(xiàn)在時(shí)中，at加上名詞表示“處于某種狀態(tài)”，如at work（在工作）, at school（上學(xué)、上課）等 。此短語(yǔ)可與進(jìn)行時(shí)態(tài)轉(zhuǎn)換 。請(qǐng)看：
Peter is at work, but Mike is at play.
Peter is working, but Mike is playing.
三、現(xiàn)在進(jìn)行時(shí)與一般將來(lái)時(shí)的轉(zhuǎn)換
在現(xiàn)在進(jìn)行時(shí)態(tài)中g(shù)o, come, leave, start, arrive等動(dòng)詞常與表示將來(lái)的時(shí)間狀語(yǔ)連用表示將要發(fā)生的動(dòng)作 。如：I am coming, Mum! 意為“我就來(lái)，媽媽！”請(qǐng)看：
The train is leaving soon.
The train will leave soon.
四、“be going to+動(dòng)詞原形”與“will(shall)+動(dòng)詞原形”結(jié)構(gòu)的轉(zhuǎn)換
“be going to+動(dòng)詞原形”、表示打算、計(jì)劃要做的事；將來(lái)時(shí)“will(shall)+動(dòng)詞原形”結(jié)構(gòu)在書面語(yǔ)中，當(dāng)主語(yǔ)為第一人稱時(shí)，常用助動(dòng)詞shall 。在口語(yǔ)中，所有人稱都可以用will 。請(qǐng)看：
We are going to visit the Great Wall next Sunday.
We shall visit the Great Wall next Sunday.
參考資料：

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