讲解最清晰最全的虚拟语气PPT课件.ppt

语法第一讲 虚拟语气 1. They?were?married?in?strict?________(private).2. His?_______(determine)?to?retire?sruprised?us?all.3. It?is?_______(doubt)?the?best?French?film?this?year.4. A?foreign?_______(address)?in?China?will?be?annoyed?if?he?is?greeted?with?“Where?are?you?going?”5. Teachers?shouldn’t?be?______(mechanical)?minded.6. Existing?methods?of?production?are?expensive?and?________(efficient).7. To?avoid?_______(confuse),?the?twins?never?wear?the?same?clothes.8. I?don’t?_________(whole)?believe?what?he?has?said.9. __________(fluent)?should?be?given?enough?attention?in?foreign?language?teaching.10. A?____________(psychology)?is?someone?who?studies?the?human?mind,?human?emotions?and?human?behavior. 虚拟语气是一种表示非真实情况或主观设想的动词形式，用来表示说话人的愿望、假设、怀疑、猜测、建议等含义。按照不同的时间，主句、从句中的动词的形式发生变化。 一、虚拟语气在带有条件从句的复合句中的构成和用法 时间 从句 主句 与现在事实相反 动词的过去时 Would/should/could/might+动词原形 与过去事实相反 动词的过去完成时（had done） Would/should/could/might+have+动词的过去分词 将来实现可能性小 1. 动词的过去时（be为were） 2. were+不定式 3. should+动词原形 Would/should/could/might+动词原形 千锤百炼 1. If I ____ (be) you, I would go with him. (现在) 如果我是你，我就和他一块儿去。 2. If we _______ (invite) him, he wold have come. (过去)要是我们邀请了他，他是会来的。（事实是……） 3. If I ___ (have) time, I could come to help you. (将来) 如果我有时间，我会来帮助你的。（但有时间的可能很小） 如果条件从句中包含有were，had, should等词时，可以把if省略，但要把were, had, should等放在主语前面。 Had they realized how important the task was, they wouldn’t have refused to accept it. 如果他们认识到这个任务是多么重要的话，他们就不会拒绝接受它了。 =If they had realized how important …… If it were not for their assistance, we should be in serious difficulty. 要不是他们协助，我们会陷入困境。 =Were it not for their assistance,…… 注 I would have gone to visit him in the hospital had it been at all possible, but I ____ fully occupied the whole of last week. A. were B. had been C. have been D. was 二、虚拟语气在某些从句中的应用 1. 由wish引导的宾语从句 时间 宾语从句的谓语动词 wish表示对现在的愿望 过去时（be是were） wish表示对将来的愿望 would, could, might+动词原形 wish用于表示对过去的事实一种不可能实现的愿望 had+动词过去分词或could, would+have +动词过去分词 I wish that he ____ (be) not so lazy. 我多么希望他不会这么懒。（对现在的