I think you are good at Englishi.怎么变为否定句

I think you are good at Englishi.怎么变为否定句 I think documentaries are interesting.(变为否定句) i think you are right.否定句 i have two brothers.____of us are good at englishi I think she is good at listening.改为否定句! I think you are a good student.改为否定句,请说明原因, I think you are [good] at basketall than baseball I think you are good at dancing是什么意思 Iam liu ming变为否定句 you are cindy变为否定句 are you Bob做肯定回答 this i I think you are from China.改否定句 I think you are from China改否定句 I think you are right改否定句