This is my friend改为一般疑问句并作否定回答 This is my good friend.（改为一般疑问...

This is my friend\u6539\u4e3a\u4e00\u822c\u7591\u95ee\u53e5\u5e76\u4f5c\u5426\u5b9a\u56de\u7b54

Is this your friend?
No,he(she) isn't.

\u4e00\u822c\u7591\u95ee\u53e5\uff1a
Is this your good friend?
\u8fd9\u4f4d\u662f\u4f60\u7684\u597d\u670b\u53cb\u5417\uff1f
\u5426\u5b9a\u56de\u7b54\uff1a
No, he(she) isn't.
No, it isn't. (\u5f53\u662f\u6307\u7740\u56fe\u7247\u8bf4\u7684\uff0c\u7528\u6b64\u56de\u7b54\uff09

我觉得直接告诉你答案不如教会你怎样变一般疑问句。含有be动词的句子只需要将be 动词提到句首，句子中其他成分依次往后排，句末加问号。如果句子主语是第一人称的，变问句时要变成第二人称。肯定否定回答就遵循这用什么提问，就用什么回答的原则。例如你的问题，
一般疑问句：Is this your friend?
肯定回答：Yes,he/she is .
否定回答：No, he/she isn't.
又如：I am a girl .
一般疑问句：Are you a girl ?
肯定回答：Yes,l am .
否定回答：No, l am not .

Is this your friend?
No, he(she) isn't.

Is this your friend?
No, this (/he/she) isn't.

is this your friend?
Yes,this is
No,this isn't

Is this your friend?
No, this (/he/she) isn't.