发布时间 : 星期三 文章2012届高考英语语法精讲精练习题14更新完毕开始阅读e7169923a5e9856a5612602b
虚拟语气
从句 情况 的动词 的动词 If I had time，I would attend your party. 动词的与现 如果我有时间，我就过去式在事 would/could/should/might 去参加你的宴会了。 (be动词实相＋动词原形 If I saw him now，I 一律用反 would be very were) happy. 如果我现在见到他，我会很高兴的。 You didn’t let me drive.If we had 主句 例句 driven in turn，you 与过 had＋wouldn’t have got so 去事 would/could/should/might过去 tired. 实相＋have＋过去分词 分词 你当时不让我开车。反 如果我们轮流开，你就不会觉得那么累了。
动词的过去式；与将shouldIf it snowed/were to snow/should snow 来 ＋动词would/could/might/shouldtomorrow，we would 事实 原形；＋动词原形 相反 were to＋动词原形
注意： (1)若条件句中有were，had，should，可把if 省略，而把were，had，should 放在主语前，形成倒装结构，这种结构主要用于书面语中。
Had you taken my advice，you wouldn’t have failed in the examination.如果你听了我的建议，你就不会考试不及格了。
(2)有时主句和虚拟条件从句的动作发生的时间不一致，此时，主句和从句的谓语动词要根据各自所指的不同时间选择适当的动词形式。 If you had worked hard，you would be very tired now.
如果你真的努力工作了，你现在就会感到很累的。(从句指过去，主句指现在)
(3)有时虚拟条件并不通过条件从句表达出来，而是通过词、短语或上下文暗示，此时句子的时态要依具体情况而定。
Without electricity(＝If there were no electricity)，life would be quite
take photos. 如果明天下雪，我们就照相。
different today.
如果没有电，今天的生活就会完全不同。
But for your help，it would have caused a serious loss. 要不是你的帮助，那将会导致巨大的损失。
I was busy that day.Otherwise I would have gone there with them.(If I hadn’t been busy that day，I would have gone there with them.)我那天很忙，否则，我就和他们一起去那儿了。
1.(2010·湖南卷)If he________my advice，he wouldn’t have lost his job. A．followed
B．should follow D．would follow
C．had followed
解析： 句意为：如果他(当时)接受我的建议，就不会丢掉他的工作了。本题考查虚拟语气。因为if条件句表示与过去事实相反，故采用过去完成时。 答案： C
2．(2011·厦门市质量检查)—Thank you for reminding me of the time，or I ________late yesterday. —Don’t mention it.
A．should be B．would be
C．will have been D．would have been
解析： 考查虚拟语气。从语境可知说话人是在谈论昨天的事，因此要使用情态动词would＋完成式。谢谢你提醒我时间，不然昨天我就迟到了。
答案： D
3．(2011·山东潍坊质检)________more careful，the mistake would not have been made. A．If he is
B．Had he been
C．Should he be D．If he has been
解析： 从主句中的would not have been made 可知，这是与过去相反的虚拟语气，因此从句谓语动词用had been 的形式，又因助动词为had时，可将if省掉，had提前，故B项正确。 答案： B
(1)在名词性从句中，常用来表示命令、建议、要求、愿望等的词后宾语从句和同位语从句中用虚拟语气，形式为：(should)＋动词原形。常这样用的动词有：advise 劝告，demand 要求，desire 渴望，command 命令，insist 坚持，prefer 宁愿，urge 主张，order 命令，recommend 推荐，request 要求，require 要求，suggest 建议，以及这些词的名词形式。
Jane’s pale face suggested that she was ill，and her parents suggested that she (should)have a medical examination.
简苍白的脸色表明她生病了，她父母建议她做一下医学检查。 (2)wish后面所跟宾语从句中的虚拟语气。
表示对现在情况的虚拟：wish＋主语＋动词过去式或were 表示对过去情况的虚拟：wish＋主语＋had＋过去分词 表示对将来情况的虚拟：wish＋主语＋would＋动词原形