i don't think he can swim,can he 这个句子是对的吗?还有,那个如果加一个反义疑问句,i don't think he can swim,can he 这个句子是对的吗?还有,那个如果加一个反义疑问句,是不是can't he?应该是i don't think he can swim,so can't i

问题描述:

i don't think he can swim,can he 这个句子是对的吗?还有,那个如果加一个反义疑问句,
i don't think he can swim,can he 这个句子是对的吗?
还有,那个如果加一个反义疑问句,是不是can't he?
应该是i don't think he can swim,so can't i