英语语法快速学习

语法结构

虚拟语气 时态语态 非谓语 比较结构 主谓语 强调语

固定搭配

虚拟语气 条件从句 省略助动词 主语从句 宾语从句 表语从句

二．虚拟语气在条件从句中的用法

1. I would ask George to lend us the money if I _____ him

A. had known

B. have known

C. knew

D. know

2. Bob____ with us; he would have had a good time.

A. would come B came C. would have come D. had come

3. If I hadn’t attended an important meeting yesterday, I ——to see you.

A will have come

B would have come

C have come

D had come

省略if的虚拟形式

在虚拟条件句中，如谓语包含were，had，should等词，则可以把这些词放到主语前面，省略if。

(1)__________ you were busy, I wouldn't have bothered you with my questions.

A. If I realized

B. Had I realized

C. Did I have realized that

D. As I realized

三．虚拟语气的其它用法

1 虚拟语气在主语从句中的用法。

在“It is important (strange, natural, necessary, essential, urgent, desirable) that…”这类句型中，

It is suggested( proposed, decided, required, demanded, requested, determined) that

所引导的主语从句中的谓语动词常用 “(should)+动词原形”结构，表示某事是“重要”，“奇怪”，“自然”，“必要”等意义。如：Is important that every person (should) be able to speak English.(重要的是每个人能说英语)

Eg：It is necessary that he (should) be sent to hospital at once. 有必要马上把他送医院。

It is requested that we should start at six o’clock.

It has been arranged that we should do in the Class Six. (1). The board deemed it urgent that these files ______ right

away.

A. had to be printed

B. should have been printed

C. must be printed

D. should be printed

(2). It was essential that we ______ lease(租约) before the end

of the month.

A. sig n

B. singed

C. had signed

D. were signing

(3). It is appropriate that some time ______thorough study of the results of the Apollo mission.

A. devotes to

B. devoted to

C. is devoted to

D. be devoted to

2. 在suggest（建议）, demand(要求), order(命令), propose(建议), insist（坚持要做）, command(命令), request(要求), desire(希望) , recommend(建议）等动词后的宾语从句中，谓语动词用 “(should)+动词原形”，表示建议，要求，命令等。

如：

The doctor recommended that Mary (start) the health program as soon as possible.(2008-06)

He insists that he (should) do morning exercises every day.他坚持他每天都要早操。

3 虚拟语气在表语从句中的用法。

当主语为advice, suggestion, order, proposal等词时后接表语从句，表语从句中的谓语动词常用“(should)+动词原形”结构，表示某人建议、劝告、命令等的内容。如：

My advice is that you should practice speaking English as often as possible. 我的建议是你尽可能经常地练习说英语。

在It is (adj.) time (that) …; would rather that 句型中从句的谓语动词常用动词的过去式表示虚拟语气，意思是“该干某事了，时间已经有些晚了”“我宁愿/希望”。从句谓语变化不随主句谓语的变化

Eg：It is time that we did something to stop pollution.该我们做些什么制止污染的时候了。

It is time that Father picked up Lily from the kindergarten.该父亲去幼儿园接莉莉的时候了。

I’d rather you told me the truth. 我真希望你告诉我真相。

I’d rather I didn’t see you again.我宁愿不再见着你。