2012高考英語考點專題講練:情態動詞和虛擬語氣(5)
10.省去條件從句或主句：表示虛擬語氣的主句或從句有時可以省略，但其含義仍可以推知。
①省去條件從句
You could have washed your clothes yourself. 你本可以自已洗衣服的。
省去了"If you had wanted to"）（事實是：你自己沒洗衣服，因為你不想洗。）
②省去主句（常用以表示愿望） If only + clause （ did/were與現在相反）/ （would/could/might + do與將來相反） /（ had done 與過去相反） “要是……。就好了”
If my grandmother were with me！ 如果我的祖母與我在一起多好啊！（事實是：祖母已不在世。）
If only she had not left！ 如果她沒走就好了！（事實是：她已經走了。）
If only he would come tomorrow！
If only I had taken her advice！
If only I were ten years younger！
注意：only if是“只要”的意思，從句中用陳述語氣。
11.as if + clause （did/were 與現在相反） / （would/could/might + do與將來相反）/（ had done 與過去相反）
She treats Kate as if she were her own daughter.
They talked as if they had been friends for years.
12.would like/was/were to have done something
I would like to have attended the party， but one of my friends came to see me.
13.but for+名詞
But for your help we couldn‘t have succeeded in the experiment.
14.注意虛擬條件從句的特殊形式
Without electricity， human life would be quite different today.
Without the air to hold some of the sun's heat， the earth at night would be freezing cold.
15.注意轉折語氣連詞引導的虛擬語氣
He hesitated for a moment before kicking the ball， otherwise he would have scored a goal.
I told Sally how to get here， but perhaps I should have written it down for her.
The captain kept calm in the terrible storm， otherwise the accident wouldn't have been prevented.
Yesterday， Jane walked away from the discussion. Otherwise， she might have said something she would regret later.
16.注意分詞和獨立結構引導的虛擬語氣
Given more than two hours， we could have done the work better.
Not having finished the work， he couldn't have seen this film.
(責任編輯：張影)
分享“2012高考英語考點專題講練:情態動詞和虛擬語氣”到：
