英语反意疑问句问题

题目

英语反意疑问句问题
有时,我想要个哥哥,但是,这是不可能的,
翻译成英语是这样吗?
sometime ,I'd like a brother .however ,this is impossible ,is it 请问后面的反意疑问句“不是吗”是用"is it"还是"isn't it"?这句是否定句,是不是应该用is it?

答案

sometime ,I'd like to have a brother .however ,It/That is impossible ,isn't it
impossible 是表语,不影响.
句子比较中式,改了些.
It is impossible,isn't it?
这不可能,不是吗?
It is impossible for us to arrive there on time,isn't it?
我们不可能按时到达那儿,是不是?
It is impossible for her to eat up such a big cake ,isn't it
要她吃完如此一个大饼是不可能的,对不