英语语法　虚拟语气专题训练及答案

1. It is suggested that the building (should) be pulled down.

2. It is ordered that the work (should) be started at once.

l 在It is (was) strange (necessary, wonderful, important, etc.) that…句型中, strange, necessary等后面的主语从句中用should + 原形动词, should可以省略.

3. It is strange that he (should) refuse to come to the party.

4. It is necessary that a doctor (should) be sent for at once.

5. It is important that we should learn from toehrs.

e. 表语从句表示法.

suggestion, proposal, order, advice, demand 等名词作主语时, 其后面的表语从句中也用虚拟语气, 即should + 原形动词, should 也可以省略.

1) My advice is that you (should) give up smoking.

c. wish 后面所跟宾语从句要求谓语动词用虚拟语气.

e.g. I wish that she were here with me and that we weren’t sick.

I wish I had sent the old man to hospital in time.

d. 在as if引起的从句中,动词一般用虚拟语气, 通常用were

e.g. People treat me as if I were a dangerous person.

I remember the whole thing as if it happened yesterday.

f. 同位语从句表示法.

1. That evening came the order that we (should) cross the river at once.

IV. 虚拟语气中常见的句型有

1. It is (high / about) time that… 这一从句的谓语动词用过去式或should + 原形动词, 其中should不可以省略. 此句型译为”该是……时候了”.

2. would rather sb. did sth. / had done sth.

此句型表示”宁愿让某人……”, 如果是没有发生的动作, 从句用过去时; 如果是已经发生的事, 从句用过去完成时.

1) I’d rather you left tomorrow.

2) I’d rather they hadn’t gone to school yesterday.

3. if only…

此句型表示”要是……就好了”. 其后面句子的时态与wish引导的宾语从句相同, 既:如果虚拟现在, 要用一般过去时; 如果是虚拟过去, 要用过去完成时; 如果是虚拟将来, 则应该用 would或 could加原形动词.