名词性从句

主语从句+宾语从句 主语、宾语==名词
介词短语（介宾）=介词+名词
1,I look at you.
我看着你。
You是名词,可以改成我所喜欢的东西。
I look at what I like thing.
2.我进入这栋房子。
I get into the house.
我进入他所住的地方。
I get into where he lives.
3.我对这本书很感兴趣。
I am very interested in this book.
我对他啥时候来我家很感兴趣。
I am very interested in when he will come to my home.
4.我对这个问题很困惑。
I am confused with the question.
我对他这么做的原因很困惑。
I am confused with why he did this.
5.我不知道这件事。
I have no idea of this.
我不知道他是否会来。
I have no idea of whether he will come.
我不知道她是怎么解出这道问题的。
I have no idea of how he solved this question.
6.原因在于他的懒惰。
The reason lies in his laziness.
That引导陈述句
原因在于他很懒。
The reason lies in that his is lazy.

习题：

1.我担心她是否会接受这份工作。
I am worried about whether she will accept this job.

2.他正在考虑如何解决这个问题。
He is thinking of how he solved this question.

3.我们正在讨论何时启动这个项目。
We are discussing when we start this project.

4.他很好奇他为什么突然离开。
He is curios about why she suddenly leave.

5.他的成功取决于他学习的方法。
His success depends on how him studies.