问题补充：
They are chairs.改为一般疑问句,否定句怎么改?
答案：
疑问句是Are they chairs?
否定是they aren chairs.
含有be动词的句子变一般疑问句时将be动词直接提前,变否定句在be动词后面直接加not
======以下答案可供参考======
供参考答案1:
- Are they chairs?
- No, they aren .
供参考答案2:
They are not chairs.
Are they chairs？
供参考答案3:
Are those your parents? They aren't my aunts. Who is that? No,they aren't. Those are their consins. They are my mother and father.
