发布时间:2012-02-01 共1页
成人高考专升本英语动词虚拟语气精讲2:
从句中的虚拟语气:主语从句、宾语从句、表语从句、状语从句和定语从句中的虚拟语气表示命令、建议、愿望等。
(1)主语从句。指It is/was+形容词+that+主语+should+动词原形+ ……。从句中的should可省略。It是形式主语,后面that引导的从句才
是真正的主语,为主语从句。这种句型的形容词包括:decided,desired,important,necessary,ordered,proposed.requested.required
,settled,suggested,表示决定、愿望、重要、必要、建议等。
例:It is desired that we(should)get everything ready by tonight.
希望今晚我们能把一切都准备好。
It is suggested that the meeting(should)he eancehd
有人建议取消会议。
(2)宾语从句。指主语+某些动词+that+从句主语+should+动词原形+……。从句中的should可省略。这些动词包括:ask, advise, beg,
command,demand,desire,insist,order,propose,request, suggest,表示命令、建议、愿望、坚持等。
例:I propose that we(should)move to the new house next week.
我建议我们下个星期搬进新家。
The professor suggested that the meeting(should)be canceled
教授建议取消会议。
(3)表语从句。指主语+ is that+从句主语+ should do + …”。从句中的should可省略。做主语的名词有:idea,motion, order,plan,
proposal.recommendation,suggestion,表示想法、计划、提议、建议等。
例:My proposal is that you(should)do the reseach alone.
我的提议是你自己单独作这项研究。
His suggestion is that the meeting(should)be canceled.
他的建议是取消会议。
(4)定语从句。指It is time that+从句主语+动词过去式或should do+ ……。其中should不能省略。表示:到什么时候了。
例:It is time that we went to bed.
我们该睡觉了。
It is high time that we should make a decision.
我们的确该做个决定了。
(5)状语从句。指从句as if/though+从句主语+动词过去式+…,表示好像;从句lest+从旬主语+should do+ ……,表示唯恐。
例:It looks as if it was/were going to rain.
天看起来要下雨。
He put his coat over the girl lest she should catch cold.
他把大衣披在女孩身上唯恐她着凉。