文档介绍：高中英语虚拟语气思维导图
知识总表
Ⅰ
虚拟情况
If条件句
主句
与现在事实相反
If+主语+V过
主语+（would; could; should; might)+V原
与过去事实相反
If+主语+hegetables ______。 （2010年北京卷)
A. wouldn't die B. didn’t die
C。 hadn’t died D. wouldn’t have died （精品文档请下载）
Ⅱ
例句：
Were I Tom, I would refuse.
如果我是汤姆,我会拒绝。
2. Should it be necessary, I would go。
假若有必要，我会去的.
3. Had it not been for the bad weather we would have arrived on time. 若不是天气坏，我们就准时到达了。 （精品文档请下载）
4。 We didn’t know his telephone number； otherwise we would have telephoned him。 （精品文档请下载）
我们不知道他的电话号码，否则我们就会给他打电话。
5. I was busy that day。 Otherwise I would have come to help you。 （精品文档请下载）
我那天很忙。否则我会来帮你的。
6。 Without your help, we wouldn't have achieved so much。 （精品文档请下载）
没有你的帮助，我们不可能取得这么大的成绩。
7。 But for your help,I would not have succeeded in the experiment。 （精品文档请下载）
如果没有你的帮助，我的实验就不会成功.
【典型例题】
1）He hesitated for a moment before kicking the ball, otherwise he ______ a goal。 （2001年上海春季卷)
A。 had scored B。 scored
C。 would score D. would have scored（精品文档请下载）
2） But for their help， we _______ the program in time. (2009年安徽卷）
A。 can not finish B。 will not finish
C. had not finished D。 could not have finished
（精品文档请下载）
3）But for the help of my English teacher, I ______ the first prize in the English Writing Competition。 （2009年福建卷）
A。 would not win B。 would not have won
C. would win D。 would have won
4） _____it rain tomorrow, we would have to put off the visit to the Yangpu Bridge
A。 Were B。 Should C. Would D. Will（精品文档请下载）
5）___the clouds, you would find the airplane in the sky easily
A. Had it not been for B. If it were not C。 If it had not been for D. Were it not for（精品文档请下载）
6） ____hard, he would have passed the exam
A. If he were to work B. Had he worked C。 Should he work D. Were he to work
7） ____today， he would get there by Friday
A. Were he to leaveB。 If he had left C。 Did he to leave D. Had he left
8） Had you listened to the doctor， yo