1) what 引导主语从句
例：What surprised me is that everybody seemed to be very indifferent to her.
让我吃惊的是每个人似乎对她都很冷淡.
(2) what 引导宾语从句
例：We can learn what we do not know. 我们能学会我们不懂的东西。
(3) what 引导表语从句
例：That is what I want.那正是我所要的。
(4) what 引导同位语从句
例：I have no idea what they are talking about. 我不知道他们正在谈论什么.
what 引导的表语从句的复合句的例句
When you arrive，you will be what you want to be.你到了，你就会成为你想成为的那样。
