seven. I think…
7. 我认为……
I think it is impossible.
我认为这是不可能的。
I think that could be helpful.
我想那或许会有所帮助。
I think you are right.
我想你是对的。
I think that is unfair to me.
我认为那对我来说不公平。
I think his suggestion is perfect.
我认为他的建议很好。
I think you should study English well before going abroad.
我认为你在出国之前应该先把英语学好。