think后加动词的哪种形式?I think 和I think that还有I think it is的区别是什么?think后接动词的哪种形式?I think和I think that还有I think it is的区别是什么?

问题描述:

think后加动词的哪种形式?I think 和I think that还有I think it is的区别是什么?
think后接动词的哪种形式?I think和I think that还有I think it is的区别是什么?