I don't think I know you,do 我想我不认识你,是吗?分析:I think /suppose / expect /believe /imagine 后面跟宾语从句,后面的附加问句要与从句的主谓语保持一致.无论是主句还是从句,只要有一个是否定形式,附加问句就要用肯定形式.如:I suppose that she is not honst ,is she / I don't suppose that she is honst ,is she 我认为他不老实,是吗?