What you cared about is how to study English well.
What I care about is how to teach you English as well as possible.
定语从句。
The pencil which you want is on the desk.
What从句what就是连词，what连词不能省略。
What you want is there.
你说的很重要。
What you said is important.
她说的都对。
What she says is right.
她说的对吗？
Is what she says right?
Is it right what she says?
这是他写的。
It is what he wrote.
我不知道你叫什么名字。
I don't know what your name is.
你买的贵。
What you bought is expensive.
我买的便宜。
What I bought is very cheap.
你买的花了50块钱。
What you bought takes 50 RMB.
我不知道他买的什么东西。
I don't know what he bought.
我不喜欢他要的。
I don't like what she wants.
我不喜欢他听的。
I don't like what he listens to.
那是他正在看的。
That is what he looks at.
Where is the book?
The book is on the desk.
What is the book on?
这是我照料的。
This is what I look after.
我不擅长跳舞。
I'm not good at dancing.
What are you good at?
这是你所擅长的。
This is what you are good at.
这是我买的。
This is what I bought.
你所感兴趣的正是我所擅长的。
What you are interested in is what I am good at.
我感兴趣的不是你所听的。
What I am insterested in is not what you listen to.
我感兴趣的是你妈妈正在看的。
What I am insterested in is what your mother is looking at.
你感兴趣的是我妈妈正在看的吗？
Is what you are interested in what my mother is looking at?
Yes, it is.
你的名字听起来不错。
What your name is sounds nice.
这就是办公室里面那个东西。
What it is is what is in the office.
现在你不再干从前的活了。
What you are is not what you were 5 years go.
这就是你干的好事。
This is what you did.
I don't think that what you bought is cheap.
你所做的并不重要，重要的是你的未来。
What you are doing is not important.What's important is your future.
There are 5 books in the classroom.
教室里的东西属于学校。
What there is in the classroom belongs to the school.
