Those are my friends 怎麼改疑问句要有回答（Yes/NO),还有否定句.

Those are my friends 怎麼改疑问句要有回答（Yes/NO),还有否定句.
Those are my friends 怎麼改疑问句要有回答（Yes/NO),还有否定句.

Those are my friends 怎麼改疑问句要有回答（Yes/NO),还有否定句.
Are those your friends?
Yes,they are
No,they aren't.
Those aren't my friends.