Question

They+are+both+my+good+friends+.如何改为一般疑问句并做出肯定和否定回？

Answer 1

Are they both your good friend? Yes, they are.
他们俩都是你的好朋友吗?是的,他们都是。

Answer 2

原句主语是They，谓语是be动词are，将句式由陈述句肯定句式变更为一般疑问句式时只要将be动词前置，后面的部分顺延，人称代词可以做相应变换，注意开头字母大写。
Are they both your good friends?
Yes, they are.
No, they aren't.

Answer 3

Are they both your good friends?Yes, they are.No, they aren't.

Answer 4

Are they both your good friends?
肯定回答。
Yes,they are.
否定
No,they aren't.

改写问句 人称是要变化的
有时还要加any之类助语气

Answer 5

Are they both your good friends?
Yes, they are.
No, they aren't.