主语从句讲解(2)

　　（4）It is strange that he should do that.

　　（5）It is important that we all should attend the meeting.

　　（6）It is strange that the man should have stuck to his silly ideas.

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　　（7）It is a pity that we won't be able to go to the south to spend our summer vacation.

　　（8）It is still a mystery what caused the accident.

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　　（9）It is said that he has gone to shanghai.(=He is said to have gone to shanghai)

　　（10）It is known to all that the gun powder was first invented by the Chinese.

　　（11）It is suggested that the work should be done with great care.

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　　（12）It seems that he has seen the film.(=He seems to have seen the film)

　　（13）It happened that the two cheats were there. (=The two cheats happened to be there)

　　小结:

　　（1)以that 引出的主语从句,常以形式主语it引导.

　　It is +形容词/名词/某些动词ed/ + that 从句.

　　It +不及物动词 + that 从句.

　　（2) 在有些that从句中要用虚拟语气 (should+do/should+have done)例句4,5,6,11.