“用think of造句”并用think about造一个同义句

You are always thinking of yourself too much!
You are always thinking about yourself too much!
你太自以为是了！

I'm not sure what I think of Tom.
我不清楚自己对汤姆的看法如何。
What do you think about the plans?
你认为那些计划怎么样？

I think of it as impossible.
我认为这是不可能的。