牛津上海版7A时态复习专项讲解及练习（有答案）

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时态复习

一般现在时

1.表示普遍真理或客观事实。

Light travels faster than sound.

2.表示现在的习惯动作或状态。

She is always ready to help others.

3.表示将来时间（用于某些条件状语从句和时间状语从句中）。

We will save time if we drive instead of taking a bus.

I will make a phone call to you as soon as I reach the destination.

4. 一般现在时的动词形式通常与动词原形相同，但在主语为第三人称单数时，词尾加 -s

或 -es，其规则如下：

1) 一般动词都在词尾加-s，如:digs, sings, looks, lives, cleans 等。

2) 当动词以 s，sh, ch, x，o 结尾时，加-es，如：presses，washes, watches, fixes, goes 等。

3) 当动词以辅音字母+y 结尾时，先将 y成变 i，再加-es,如:flies, cries, studies 等。

如动词以元音字母+y 结尾时，直接加-s,如:says, buys, plays 等。

5. 动词 be 的一般现在时，依据不同人称和数分别釆用 am, is, are 三种形式。

动词 have 的一般现在时，依据不同人称和数分别釆用 have, has 两种形式。

6. 一般现在时常用的时间状语：often, always, usually, sometimes, every day, once a week 等。

—般过去时

1.表示过去某时发生的事情。

The traffic accident happened ten minutes ago.

2.表示过去的习惯动作。

When he was young, my father often swam in the river.

3.—般过去时的动词形式除不规则动词外，通常以动词原形加-ed 表示，即动词的过去式;

动词 be 的过去式为 was, were。动词过去式的规则如下：

1)一般动词都在词尾加-ed，如：played，listened, turned, fixed, looked 等。

2)当动词以 e 结尾时，只加-d，如：liked，danced, agreed, skated 等。

3)当动词以辅音字母+y 结尾时，先将 y成变 i，再加-ed，如：cried,studied, carried 等。

4) 当动词为重读闭音节或以重读闭音节结尾时，要重复词尾的辅音字母，再加 -ed，如：

stopped, preferred, regretted 等。

4.一般过去时常用的时间状语有：yesterday，last year, three days ago, just now, in 1978 等。

练习一：写出下列动词的过去式

1.look— 2. live— 3. stop— 4. carry—

5.hope— 6. trip— 7. call— 8. finish—

9. want— 10. are— 11. go— 12. have—

13. do— 14. get— 15.come— 16. say—

答案：1. looked 2. lived 3. stopped 4. carried 5. hoped 6. tripped 7. called 8. finished 9.

wanted 10. were 11. went 12. had 13. did 14. got 15. came 16.said

练习二：用所给动词的适当时态填空。

1. The bank robbery (happen) last night.

2. Water (boil) at the temperature of 100°C .

3. This kind of TV (make) in Shanghai.

4. In the past, there (be) only single-decker buses.

5. Matter (change) from one state to another.

6. The electric light (invent) by Edison.

7 (raise) your hand if you (know) the answer.

8. Tom (drop) the vase(花瓶）and (break) it a moment ago.

9. Yesterday he (not realize) what a serious mistake he (make).

10. The First World War (take) place in 1914. Old John (fight) in it.

keys: 1. happened 2.boils 3. is made 4. were 5. changes 6. was invented 7.

Raise, how 8. dropped, broke 9. didn’t realize, had made 10. took, fought

练习三：填空

1. ____ she ____(sing)a song last night?

2. --Were there any people in the room? (作否定回答)

--______, _______ _______nobody.

3. --_____(be) they at work this morning?

--Yes. They ______ (have)a meeting together.

4. --______ Joe ______ (do)well in the long-distance running?

--Yes, he _______.

5. –Where _____ Tina’s Family____(go)last Summer?

--They _______ (go)to New York for their vacation.

答案：1. Did; sing 2. No; there was 3. Were; had 4. Did; do, did 5. Did go; went

练习四：用 be 动词的适当形式填空

　　1. I ______ an English teacher now.

　　2. She _______ happy yesterday.

　　3. They _______ glad to see each other last month.

　　4. Helen and Nancy ________ good friends.

　　5. The little dog _____ two years old this year.

　　6. Look, there ________ lots of grapes here.

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