九年级英语第三单元知识点归纳单词

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14.

被动语态没有完成进行时态，也没有将来进行时态，

< br>如果要将这些时态的主动结构变为被动结构，可以用完成时态或一般将来时态来表示

将主动语态转换成被动语态，通常分以下三步进行：

1.

将主动语态中的宾语转换成被动语态的主语。

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2.

将主动语态中的动词改为

“be+V(p.p)”

3.

原来主 动语态中的主语，如果需要，放在

by

后面以它的宾格形式出现 ，如没有必要，可

以省略。

把下列句子变成被动语态

found some jewels in a box.

teacher is keeping the pupils at school for a revision.

has left a parcel for you.

must finish the article before Friday.

will not paint the house again next year.

promised Mary a new doll for her birthday.

7.I have told the children many times not to skate on the pond.

did he translate the story?

had to repair our TV set.

they take good care of the sick?

company has paid the workers very handsome wages.

showed me the room where they lived.

把下列句子变成主动语态

h is spoken in South America.

plans will have to be revised.

the words must be looked up in a dictionary.

John been cured of his heart illness?

door should not have been left open all night.

are afraid that we may be attacked at night.

are being taught how to operate the new machine.

用动词的正确时态填空

Our desks and chairs ________________ (make) of wood. The paper of books and

newspapers ______ also ___________ (make) from wood. Even some kinds of cloth

__________________ (make) from it. Many people ____________ (burn) wood to keep

themselves warm in winter. Indeed, wood _______ (be) important in our everyday life.

Where ________ wood __________ (come) from? It ________________ (take) from

trees which _____________(grow) in the mountains. _________ you ____________

(know) how it ____________ (get) to us from the mountains?

First of all, trees ___________(cut) down when they ______________(grow) big enough.

Then their branches _______________ (cut) off, and logs

_______________(make).These heavy logs ________________(put) together in different

ways and _________________ (take) down to the foot of the mountains. Some of them

_________________ (float

使漂流

) down the small rivers and others

_________________ (carry) down on trains.

Big trees ________________(cut) down in the mountains every year. Then young ones

______________________ (must, plant) so that we ______ always ________________

(can, have) enough wood. We have to take good care of mountains so that they

__________ always _________________ (may, cover) with growing trees.

选择正确答案

1. When I got to his office, I __________ that he_________ out.

A. told, had been B. was told, was

C. had told, was D. was told, had been

2. The vegetables didn’t taste very good. They ______ for too long.

A. cooked B. were cooked

C. had cooked D. had been cooked A. told, had been

3. The anti-Japanese war ______ in 1937 and it ______ eight years.

A. was broken, lasted B. broke out, lasted

C. break out, lasted D. broke out, was lasted

4. She was heard ________ an English song.

A. to sing B. sing

C. sang D. to be sang

5. These boxes are very heavy ___.

A. be carried B. carry

C. carried D. be carrying

6. The police found that the house ________ and a lot of things ________.

A. had been broken into, has been stolen

B. has broken into, has been stolen

C. had been broken into, stolen

D. has broken into, has stolen

7. Coal can ________ to produce electricity for agriculture and industry.

A. have used B. used C. be used D. use

8. John has never dreamt of _________.

A. taken to Athens B. taking to Athens

C. be taking to Athens D. being taken to Athens

9. Nobody likes __________.

A. laughed at B. laughing at

C. being laughed at D. being laughed

10. The bridge ___________ will be completed next year.

A. built B. being built C. is being built D. building

11. It is said that tigers ________ in Asia year after year.

A. are being disappeared B. are disappearing

C. will be disappeared D. will disappear

12. I’m going to Wuhan tomorrow. Do you have anything ____

to your mother?

A. to take B. taken C. to be taken D. taking

13. Take it easy. There is nothing ______.

A. to worry B . to be worried

C. to be worried about D. to worry about

14. Your new computer will soon become outdated, because technology

_______so fast.

A. is developed B. is being developed

C. has been developed D. will developed

15. I won’t go to the party unless _________.

A. invited B. being invited

C. be invited D. inviting

16. The problem ________ last week is very important.

A. was discussed B. discussed

C. being discussed D. be discussed

17. We should keep the animals from ________.

A. be endangered B. endangering

C. being endangered D. endangered

18. There are no rivers _______out of the Dead Sea.

A. flowed B. flowing

C. being flowed D. be flown

19. This place has been destroyed. So there is no bamboo ______

for pandas to feed on.

A. left B. leaving C. leave D. be left