Grammar and usage(2): Unreal conditions第二课时教学设计

虚拟语气专题讲解

一．虚拟语气在if条件状语从句中的用法

1. If I were a millionaire, I would travel around the world. 2. If you had come back earlier last night, you would have gone to bed earlier. 3. If I were not to have a test, I would go shopping.

If I didn’t have a test,… /If I should not have a test, …

注意：If I could have told you about cultural differences between Italy and the UK, I would have.

倒装（were, should, had提前省略if进行倒装）

_____ I a millionaire, I would travel around the world. _____ you come back earlier last night, you would have gone to bed earlier. _____ I not to have a test, I would go shopping. /______I not have a test, …

错综混合条件句

If you ________(attend) the meeting yesterday, you__________(know) what we are doing now. If it ______ (be) not for the fact that his father is the manager, he _________ ( not get)the position. 含蓄的if条件句(with, without, but, but for, otherwise, or引导的句中常隐藏着if条件句) I was busy that day. Otherwise I would have gone there with them.

I would have finished the work, but I have been ill.

Without air, there would be no living things.

But for your help, I couldn’t have done it.

二．表示要求，命令，建议的虚拟语气通常从句中的动词使用should + do，或将should省略。

He insisted that Mary ______ (be) seriously ill and that she_________(send) to hospitals at once. The boy’s expression suggested that he ________ (be) angry, so Jim suggested that we _________ ( not argue) with him any more. All of us are for the advice that the chemical factory __________(close down). My demand is that she____________(come) to see me once a week.

三．It is suggested/desired/proposed//necessary/important/vital/urgent/essential that (should) do…

It is important that we (should) master a foreign language. It’s requested that all the students (should) wear school uniforms at school.

四．wish/if only/as if 现在did

过去had done

将来would/might/could do

五．

would rather that 现在did

过去had done

将来did

六．

It’s (high) time +that …

did…

It's high time that we turned our attention to this problem. It’s time that our students devoted ourselves to the exam.