you haven't been to US,have you?No,I haven't为什么不是i don‘t

问题描述:

you haven't been to US,have you?No,I haven't为什么不是i don‘t

因为前面是haven't been 呀,要对应、一致反义疑问句时have是动词的就用you have breakfast, dont;you?而这个答句则是根据主句而回答。。和have是助动词或动词没有关系。对吗对根据主句,时态等方面要与主句一致