高考语法专题复习二轮虚拟语气

1、2012 届高考语法专题复习二轮精品资料虚拟语气一各种形式的虚 气英 中的虚 气可分 去的虚 、 在的虚 、 将来的虚 及表达“祝愿” 、“ 决”、“决定”、“要求”、“命令”等主 愿望的虚 。1 与 在事 相反的虚 气与 在事 相反的虚 气常用 构 ：条件句 were 或 的 去式，主句 would/should/could/might+ 原形。if i had enough money, i would first of all by myself a dell computer.2 与 去事 相反的虚 气与 过 去 事 实 相 反 的 虚 拟 语 气 常 用 结 构 为 ： 从 句 用h

2、ad+ 过 去 分 词 ， 主 句 用should/would/could/might + have done.if i had had enough money, i would have gone to the zoo with you.3 与将来事 相反的虚 气在条件句中，如假 的条件不能符合将来的 情况，从句 可用 去式或should+ 原形或were to+ 原形的虚 气。在表示与将来事 相反的条件句中，should do,were to do和 的 去式三种形式意 略有不同。should 表示的可能性最大， 去式的可能性次之， were to do 的可能性最小。if i shou

3、ld see/were to see/saw him tomorrow, i would invite him home.4 省略 if形式的虚 气if 虚 条件句中有 should, had 或 were 时 if 可以省略，从句中主 要倒装。if i had worked hard, i would have surely succeeded.=had i worked hard, i would have surely succeeded.注意： were it not for如果要不是 , had it not been for如果当 要不是几乎成了固定句式。were it not f

4、or your help, i would never be a good boss.had it not been for you, i would have lost my way.5 混合虚 气有 主句与从句所指的 不一致， 叫 虚 气或混合虚 气。if you had told me the news yesterday, i wouldnt be so worried now.6 含有 及批 气的虚 气should(oughtto/could/may/might)+ have + 去分 表示 去 做而未做到的虚 气， 构的否定形式 表示“ 去不 做的事却做了”，是一种委婉的 ， 气最

5、 的是should ，最弱的是might.1） 表示委婉批 用于委婉批 的 构 could/may/might have done常 “本可以做得更一些”“本 而” 。you are late again. you could have come earlier.2） 表示 烈 表示 烈的 常用should/ought to have done 构，常 “本 做得更一些， 果”。i have told you many times. you should have done it better.3）表示本没必要neednt have + 去分 构表示“做了不必要做的事情”。用心爱心专心- 1

6、-it s so near. we neednt have taken a taxi.7 虚 气表示祝愿表示祝愿 常用 原形或may + 主 + 原形 构。may you succeed!二 虚 气可用于主 从句、 从句、表 从句、同位 从句、状 从句等各种从句中。1 用于主 从句中it is/was important (necessary, impossible,unusual, strange, surprising) thatit is/was suggested(requested, required, ordered, proposed, decided) that2 用于 从句用

7、虚 气的 从句一般有三种：1） 在 wish 后的 从句中， 可按 情况，采用适当的虚 构。wish 后的 that常省略，其后不能用should.i wish i could fly to the moon some day.2）在 would rather后的 从句中，从句 用一般 去 来表示 在或将来要做的事情。如 到 去的 作， 用 去完成 。would rather后不能加 that.i d rather we had a rest now.3） decide,insist,demand, desire,require,request,propose,suggest,command,

8、order等后面的 从句， 上用(should) + 原形虚 构。my father suggests i (should) take enough sleep before examinations.4）用于表 从句my advice is that you (should) quit smoking.it seems as if/as though the meeting would never end.she talks as if/as though she were an american.5）用于同位 从句与表示“决定” 、“主 ”、“要求”、“建 ”、“命令”的 相 的名 构成的

9、同位 从句中常用 (should) + 原形 构。we made a suggestion that you (should)stay here until the party was over.6）用于定 从句it is high time we went to school.it is time that we should have a discussion.7）用于状 从句the young man with long hair walks as if he were/was a girl.the injured man acted as if nothing had happened.8）只保留从句的虚 气what if i should fail?if only i were 20 years you