高中語法專練：iii. 虛擬語氣用于同位語從句和表語從句中

iii. 虛擬語氣用于同位語從句和表語從句中

1. 用在表示建議、要求、命令、遺憾、主張、懷疑、驚奇等的同位語從句中和表語從句中，從句謂語用“should +動詞原形”。

His proposal is that the physical experiment (should) be done again.

他的建議是應該再做一次物理實驗。

It is my suggestion that we should go to America for further study.

我的建議是我們應該去美國進修。

2. 常見的這類名詞有：suggestion, order, advice, idea, plan, pity, proposal等。

My plan is that we (should) start earlier than usual next time.

我的計劃是我們下次比往常早一點動身。

Tom has a good idea that he (should) invite his classmates to take part in his birthday party.

湯姆有個好主意，即他應該邀請他的同學來參加他的生日晚會。

3. 常見的這類形容詞有：necessary, essential, strange, natural, urgent, funny, important等。

It is necessary that all the inventions (should) be used for good, not for evil.

所有的發(fā)明都應該用在善良的方面而不是邪惡，這一點很有必要。

It is important the we (should) study English.

我們應該學習英語，這很重要。

4. 以動詞的過去分詞充當?shù)倪@類形容詞有：suggested, requested, ordered, proposed, decided, recommended等。

It was decided that the meeting (should) be put off till next Saturday.

已經(jīng)決定會議應該推遲到下周六。

It was arranged that they (should) leave the following week.

已安排好他們下周動身。

5. 在It's (high) time that ...句式中，謂語動詞要用過去式或should do, should不能省略。

It's high time that you went to see your sick mother.

你早該去看你生病的媽媽了。

It's high time that we should put all our heart to study.

我們早該把心思都放在學習上了。

專項練習

1. It is essential that every child _______ the same educational opportunities.

A. has

B. could have

C. have

D. had

2. The workers are working hard to meet the request that the railway _______ to traffic on May 1.

A. is open

B. will be open

C. be open

D. must open

3. It's necessary that a student _______ English well.

A. learns

B. learn

C. must learn

D. learned

4. The teacher made a suggestion that students _______ more oral English practice.

A. were given

B. had been given

C. should give

D. be given

5. It's necessary that the students _______ take notes in class.

A. should

B. must

C. would

D. are to

6. We are all for Mary's suggestion that the discussion _______

A. is put off

B. puts off

C. to be put off

D. be put off

7. It is the teacher's suggestion that every student _______ an English dictionary.

A. has

B. have

C. had

D. having

8. He gave orders that the prisoners _______ free.

A. are set

B. were set

C. set

D. be set

9. I think it's high time you _______ action.

A. take

B. took

C. are taking

D. will take

10. It is time _______.

A. we go to bed

B. he goes to bed

C. we went to bed

D. he go to bed

答案速查　1-5　CCBDA　6—10　DBDBC