that引导同位语从句。
1.I had no idea that you were here。我不知道你在这里 。
2.He always works hard in spite of the fact that he is not in good health。尽管他身体不好，但他总是努力工作。
3.He grabbed his suitcase and gave the impression he was boarding the Tokyo plane。他拿起了手提箱，给人的印象是他要登上飞往东京的飞机了。
whether引导引导同位语从句。
1.There is some doubt whether he will come.
他是否会来还不一定。
2.he question whether it is right or wrong depends on the result.
这个是对还是错要看结果。
3.He must answer the question whether he agrees to it or not.
他必须回答他是否同意这样一个问题。
连接代词what，who，whom，whose，引导同位语从句
1.I have no idea what size shoes she wears.
我不知道她穿几号的鞋。（what作定语）
2.The question who will take his place is still not clear.
谁将接替他的位置这个问题还不清楚（who作主语）
连接副词when，where，how，why，引导同位语从携闷句
1.He had no idea why she left. 他不知道她为什么离开。
2.The question where we shall have a meeting hasn't decided. 我们到什么地卖隐手方去开会，这个问中嫌题没有决定。
标签：从句
