I think she doesn't do well 这句话对吗

问题描述:

I think she doesn't do well 这句话对吗
按照语法是不是该说成 I don't think she does well呀?

I don't think she does well
这句是对的
think引导的从句如果否定的话要否定前移
但是如果在口语中这样讲也没有错的