日期：2017-1-13（原创文章,禁止转载）
主语从句的引导词是什么, 引导主语句连词that,whethe癫痫病医院哪家好r,who,what,whatever等定义:句复合句充主语,句主语句.第部：规主语句即句复合句充主语（1）That he finished writing the composition in such a short time女性癫痫如何治疗 surprised us all.（2）Whether we will go for an outing tomorrow remains unknown.（3）Who will be our mon贵阳治疗小孩癫痫哪最好itor has t been decided yet.（4） Whom we must study for is a question of great importance.（5）What caused the accident remains unknown.（6）Whatever you did is right.（7）Whose watch was lost is unknown.（8）What we need is time.（9）What we need are good doctors.结:（1)引导主语句连词that,whether,who,what,whatever等（2)连词位于句首能省略（3)主语句数情况视单三,例外,例9第二部：防止句重脚轻通形式主语it放主语位置真主语搁置于句末（1）It is certain that he will win the match.（2）It is true that he has made a very important discovery in chemistry.（3）It is very likely that they will hold a meeting.（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.（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. （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.（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 happen双鸭山治癫痫病的医院ed to be there)结:（1)that 引主语句,形式主语it引导. It is +形容词/名词/某些词ed + that 句.（2) 些that句要用虚拟语气 (should+do/should+have done)例句4,5,6,11.谢谢名词性句引导词都啊what, which , who, when , where, why, how
