think 既可以作及物动词也可作不及物动词，有认为; 以为; 思索; 思想; 琢磨等含义；用作名词有想法等含义。
1.think+ 从句
I think （ that ） it is a good thing.
我想这是件好事。
2.think+ 名词或代词
I'll think the matter over.
这事我得仔细考虑。
3.think+ 名词或代词 + 名词或形容词（宾补）
He thinks himself very clever ．他认为自己聪明。
4.think ＋ it （形式宾语） + 形容词或名词（宾补） + 不定式／动名词／从句（直接宾语）
I don't think it possible to master a foreign language without much memorywork ．
我认为没有大量的记忆劳动要掌握一门外语是不可能的。
I think it best that you （ should ） stay here .
我想你最好呆在这里。
5.think+ 不定式
I thought to return early.
我想早点回去。
6.think ＋ wh- 词 + 不定式
They couldn't think where to go.
他们想不出要到哪儿去。
7.think+ 名词或代词 +to be 短语（宾补）
People think him to be a good teacher .
人们认为他是好老师。
8.can't ／ couldn't ＋ think 想象,设想
You can't think how glad I am.
你想象不出我是我么高兴。
