虚拟语气unit2 grammar

Unit 2 虚拟语气

1. If you __________tomorrow, you _________find the new manager working in the office.

A. should come; would

B. would come; would

C. will come; should

D. comes; might

2. If the parents ______at the hospital earlier after the accident, the child would have been saved.

A. arrives

B. arrive

C. had arrived

D. has arrived

If型特例1：错综时间虚拟句：

定义：从句与主句的动作发生的时间不同

If they had studied hard, they could do it easily now.

If it had rained last night, it would be very cold today.

If you had followed my advice, you would be able to finish the work now.

1. Maybe if I had studied science, not literature then, I able to give you more help now.

A.was

B. would be

C. had been

D. would have been

2. It would be impossible for him to leave hospital tomorrow if he__first aid when the accident happened. A．hadn't been given B．wasn't be given C．shouldn't be given D．wouldn't be given If型特例2：省略if 的倒装：

用法：从句中有were, had 或should 时，省略if ，把它们放在句首倒装。

1. If I were you, I would not do that. Were I you, I would not do that.

2. If he should fail in the experiment this time, he would try again.

Should he failed in the experiment this time, he would try again.

3. If you had not helped me，I should have failed.

Had you not helped me, I should have failed.

1.___ to the doctor right away, he might have been alive.

A. If he went

B. Were he gone

C. Should he have gone

D. Had he gone

Ⅱ. Should + V 型

用在宾语从句，表语从句，同位语从句，主语从句中从句的动词用should +do, should可以省略

1.在宾语从句，表语从句，主语从句，同位语从句中。

当主句的谓语动词为表示建议，请求和要求，命令的动词时，其后的宾语从句要用“should + 动词原形”；在以上动词相对应的名词后面的同位语从句和表语从句,以及过去分词形式的主语从句也要用虚拟语气。

这些动词有：一坚持，二命令，三建议，四要求

翻译：他建议我们早点回家。

He suggested that we (should) go home earlier.

His suggestion was that we (should) go home earlier.

He made an suggestion that we (should) go home earlier.

It’s suggested that we (should) go home earlier.

TIPS：insist / suggest 各有两种意思，要用不同的语气

Insist 表示“坚决要求”时，用虚拟形式，即should + do;

Insist 表示“坚持认为，坚持说”时，用陈述语气，表示事实。

Suggest 表示“建议”时，用虚拟形式。

Suggest 表示“表明、暗示”时，用陈述语气。

1. The doctor recommended that you ________ swim after eating a large meal.

A．wouldn't B．couldn't C．needn't D．shouldn't

2. Regulations require ________ needs special diets ________ the cooking manager in advance.

A. who; informs

B. whom; informed

C. whomever; inform

D. whoever; inform

3. My daughter insists ________ in this school.

A．that she would not study B．studying not C．that she not study D．not to study 2.用在It is important/ necessary/ strange/natural/ a pity/ a shame) that ....句式中，从句用(should)+ 动词原形

It’s necessary that we (should) have a walk .

It’s natural that she (should) do so.

It’s important that we (should) take good care of the patient.

Ⅲ.固定句型

1.Wish/ If only/as if/ as though+从句现在: did/were

过去had done

将来: would/could/might +V.(原)

1. Tom can take his car apart and put it back together again. I certainly wish he _____me how.

A. teaches

B. will teach

C. has taught

D. would teach

2. If only I ___ to my parents! (But I didn’t.)

A. listened

B. had listened

C. should listen

D. would listen

2. would rather + that （从句）现在/将来did/ were

过去had done

I would rather you ________(pay) me now.

•I would rather you _______ (go) there yesterday.

•Don’t come. I would rather yo u _____(come) tomorrow.

3. It’s (high/right) time +that did/ were

Should(不省) +V.

It’s high time that you . 你该走了

It’s high time that you .

4. 一些短语相当于虚拟条件从句（if…）, 其后的句子与虚拟条件主句用法一致。

but for +n(要不是), 现在/将来would/could/should/might +V. (原)

without +n, +句子

otherwise(否则)，过去would/could/should/might +have done

in that case，

1. But for your help, we (make) such rapid progress.

没有你的帮助，我们是不会取得这么快的进展的。

2. Without air, there _________ (be) no living things.如果没有空气，就不会有生物

3. Thanks to the brave young man, otherwise, the boy ______________(die).

多亏那个勇敢的年轻人，否则，这个小男孩就死了。