2019年成人本科學(xué)位英語語法突破之時態(tài)和語態(tài)講解

一、時態(tài)和語態(tài)

1. 如何解答時態(tài)問題

例 1：You’ve already missed too many classes this term. You ______ just last week.

A. missed B. would miss C. had missed D. have missed

例 2：Anne asked Tom ______ the key.

A. when he left B. where he had left C. how he left D. why did he left

考試重點(diǎn)：

2. 與完成時有關(guān)的時態(tài)

★現(xiàn)在完成時 (have done) since, for/ in the past few months, up to now 例

1：Collecting toy cars as a hobby becomes increasingly popular during the past fifty years.

A B C D

例 2：English ______ in a new way at my college in the past few years.

A. has been taught B. was being taught

C. has been taught D. had been taught.

★過去完成時 (had done)

例 3：Anne asked Tom ______ the key.

A. when he left B. where he had left C. how he left D. why did he left

例 4：The chemistry class_____ for five minutes when we hurried there.

A. had been on B. had begun C. has been on D. would began

★將來完成時 (will have done) by

例 5：We’re late I expect the film_____ by the time we get to the cinema.

A. had already started B. have already

C. will already have started D. have already been started.

★現(xiàn)在完成進(jìn)行時 (have been doing)

例 6：It seems oil ___________ from this pipe for some time. We'll have to take the machine apart to put

it right.

A. had leaked B. is leaking C. leaked D. has been leaking

★過去完成進(jìn)行時 (had been doing)

★ 將來完成進(jìn)行時 (will have been doing )

例 7：By the time you arrive this evening, _______for two hours.

A. I will study B. I will have been studied

C. I had studied D. I will have been studying.

3. 在時間和條件狀語從句中不用將來時態(tài)

▲用一般現(xiàn)在時代替一般將來時

例 1：When the mixture_____, it will give off a powerful force.

A. will heat B. will be heated C. is heated D. has heated

例 2：please be sure to telephone me the next time you ______.

A. will come B. would come C. shall come D. come

▲用現(xiàn)在完成時代替將來完成時

例 3：Smith is to study medicine as soon as he_______ military service.

A. will finish B. has finished C. finish D. would finish

注意：

例 4：No one can be sure if the car on display fits him or her until he or she______ them.

A. tries B. will try C. are trying D. have tried

4. 考試小竅門

◆考試中如果遇到與完成時態(tài)相關(guān)的選項(xiàng)，要重點(diǎn)加以研讀，一般說來是正確答案。