②主语从句在句首(谓语动词前),充当主语;用it作形式主语时,主语从句放在句尾。
A.That 引导主语从句。
如:That he can't cook makes me disappointed. 他不会做饭让我很失望。
It makes me disappointed that he can't cook. 他不会做饭让我很失望。
B.Whether 引导主语从句。If 不能引导主语从句。
如:Whether or not you learn it well depends on your learning habits.
你学得好不好取决于你的学习习惯。
C.疑问词引导主语从句。
如:Whathe saidmade me angry. 他的话使我很生气。
Wherehe will go nextis Hengshui. 他接下来要去的地方是衡水。
= It is Hengshui wherehe will go next.
③表语从句在系动词后,充当表语,由that或其它连接词引导。
如:The only problem was
that there was nothing much to do in the evening but read.
唯一的问题是晚上除了看书没有什么可做的。
That is what I want to tell you. 那就是我想要对你讲的。
The question is whetherhe will agree with the plan.
问题是他是否会赞成这个计划。