题目内容

改主动语态为被动语态：

People are still cutting down too many trees in the USA.

答案：
解析：

　　答案：Too many trees are still being cut down in the USA.

　　解析：显然这句话要改为现在进行时的被动语态。cut down是词组不能分开或缺少。现在进行时的被动语态的构成形式为：be＋being＋pp. 其中前面的be为am, is, are, was, were.

　　拓展延伸：根据以上例题的讲解，为方便同学们记忆，我们把各种时态的被动语态编为一个口诀如下：

　　pp前面各种be; am, is, are现在时；was和were表过去；将来，情态不变be；完成have(has)been；进行时态两个be，前表时态后加-ing.


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句型转换。
1. The dress cost so much that she didn’t buy it.（用too … to …改写）
The dress cost ___  ___  ___  her  ___  buy.
2. It rained yesterday, so I stayed at home.（用because改写）
____ it ____  yesterday,  I  ____  at home.
3. My parents will go to America in two weeks.（对划线部分提问）
___  ____ ___  your parents ___ to America.
4. People use thermoses (热水瓶)for keeping water warm.（改为被动语态）
Thermoses ____  ___  ___  ____ water warm。
5. I hardly ever meet him after he moved to another district.（对划线部分提问）
____ ____ ____ you meet him after he moved to another district?
6. Collecting coins interests the small boy.（用interested改写）
The small boy ___ ____ ___ ___ coins.
7. Basketball was invented by a Canadian doctor.（改为主动语态）
a Canadian doctor _______   ______.
8. Naismith thinks he can do it well.（改为过去时）
Naismith ____ he _____ do it well.
9. He divided the players into two teams of eleven.（改为同义句）
He ____ the players into two teams of eleven.
10. He might know anyone at the party.（改为表示否定推测的句子）
He ____ ____ know anyone at the party.

句型转换。
1. The dress cost so much that she didn’t buy it.（用too … to …改写）
The dress cost ___  ___  ___  her  ___  buy.
2. It rained yesterday, so I stayed at home.（用because改写）
____ it ____  yesterday,  I  ____  at home.
3. My parents will go to America in two weeks.（对划线部分提问）
___  ____ ___  your parents ___ to America.
4. People use thermoses (热水瓶)for keeping water warm.（改为被动语态）
Thermoses ____  ___  ___  ____ water warm。
5. I hardly ever meet him after he moved to another district.（对划线部分提问）
____ ____ ____ you meet him after he moved to another district?
6. Collecting coins interests the small boy.（用interested改写）
The small boy ___ ____ ___ ___ coins.
7. Basketball was invented by a Canadian doctor.（改为主动语态）
a Canadian doctor _______    ______.
8. Naismith thinks he can do it well.（改为过去时）
Naismith ____ he _____ do it well.
9. He divided the players into two teams of eleven.（改为同义句）
He ____ the players into two teams of eleven.
10. He might know anyone at the party.（改为表示否定推测的句子）
He ____ ____ know anyone at the party.

句型转换。

1. The dress cost so much that she didn’t buy it.（用too … to … 改写）

The dress cost ___  ___  ___  her  ___  buy.

2. It rained yesterday, so I stayed at home.（用because改写）

____ it ____  yesterday,  I  ____  at home.

3. My parents will go to America in two weeks.（对划线部分提问）

___  ____ ___  your parents ___ to America.

4. People use thermoses (热水瓶)for keeping water warm.（改为被动语态）

Thermoses ____  ___  ___  ____ water warm。

5. I hardly ever meet him after he moved to another district.（对划线部分提问）

____ ____ ____ you meet him after he moved to another district?

6. Collecting coins interests the small boy.（用interested改写）

The small boy ___ ____ ___ ___ coins.

7. Basketball was invented by a Canadian doctor.（改为主动语态）

a Canadian doctor _______    ______.

8. Naismith thinks he can do it well.（改为过去时）

Naismith ____ he _____ do it well.

9. He divided the players into two teams of eleven.（改为同义句）

He ____ the players into two teams of eleven.

10. He might know anyone at the party.（改为表示否定推测的句子）

He ____ ____ know anyone at the party.

 

用who，whose，which或that完成下列定语从句。（要填全，缺一项不得分）

1．The cartoons ________ I like have lots of jokes．

2．Jamie is a cook ________ ideas are changing school dinners．

3．The writer ________ has written many wonderful characters is David．

★将下列各句的主动语态变被动语态。

4．People have translated his book into more than 50 languages．

→His book ________    ________    ________ into more than 50 languages．

5．Did the children watch the cartoons that Alice drew last Friday?

→Did the children watch the cartoons that ________    ________ by Alice last Friday?

★将下列句子改为同义句。

6．How many people are there in Beijing?

→________ the ________ of Beijing?

7．The fans welcome the singer warmly．

→The singer ________  ________  ________  ________  ________ by his fans．

★主谓一致。选择合适的词完成句子。

8．The police ________ （is／are）searching for the lost man．

9．Five minutes ________ （is／are）not enough to do this exercise．

★用合适的冠词填空。

10．①________ water is too hot．I can’t drink it．②It isn’t easy to run ________ big city well．

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