虚拟语气：谓语动词的特殊形式，表示说话的不是事实；表愿望、建议、与事实相反的假设
考点1： 虚拟语气在名词性从句中的运用
1. 惊奇，惋惜，必须 should do
主语从句：It is necessary/important/natural/ strange that…，It is a pity/a shame that…, It is suggested/requested/ proposed/ desired that…
Do you think it necessary that he B to Miami but to New York?
I agree, but the problem is ____ he has refused to. (05江苏)
A. will not be sent; that
B. not be sent; that
C. should not be sent; what
D. should not sent; what
2. suggest/insist/desire/ request/order/command 后接宾语从句，表示命令、建议 should do
在表语从句中: My suggestion/proposal/request/order/idea is that…should do….
在同位语从句中: …should do…
注意：insist 表示“坚持认为”，suggest 表示 “表明”、“暗示”，其后的宾语从句不用虚拟
The look on his face suggested that he was quite unhappy.
He insist that Tom was guilty.
考点2：虚拟语气的其他用法
1. 事实和虚拟的混合句
I would have gone to visit him in the hospital, but I A fully occupied last week.
A. was B. would be C. had been D. were
2. 含蓄条件句
常见关键词: without, but for (要不是), or , otherwise
There would be no life on the earth without air or water.
We could not have succeeded but for your help.
考点3：常用句型
1. It is high time that…should do (should 不可省）
2. wish 后的宾语从句谓语动词有三种
（1）与现在相反
I wish I were ten years younger.
（2）与过去相反
I wish I had gone to see the film with you last night.
（3）与将来相反
How I wish you could come to our party this weekend.
3. 在would rather 后的宾语从句中，谓语动词常用一般过去时谈论现在或者将来的情况,或用过去完成时谈论过去的情况。
I would rather he were not present.
I would rather he had not told me the truth.
4. 在as if 引导的表语从句中和方式状语从句中，谓语动词的形式与wish的一致
She looks as if she were sick.
They are talking as if they were old friends.
It looks as if it is going to rain. (与事实相符）
5. 在 if only 条件句中，用虚拟语气表达说话人的强烈愿望，主句常省略，意为“要是…就好了！”
Look at the trouble I am in！If only I C your advice. （03上海春）
A. followed B. would follow C. had followed D. should followed
注意：only if 引导条件句，意为“只有…才”、“只有在…什么时候”、“唯一的条件是… ”。［实习编辑：张露］
本文选自新东方周芳的博客，博客链接地址http://blog.sina.com.cn/s/blog_4dd2cf760100a9kw.html