主+be+表的五个句子两个句子改为否定句疑问句用yes,no回答，He is a teacher.Isn't he a teacher?Yes,he is./No,he isn't.They are Chinese.Aren't they Chinese？Yes，they are. /No,they aren't.The boy is my brother.The man in front of the building is her father.She is in the room.主+动+其他的五个句子其中有两个句子改为否定句疑问句用yes,no回答，1.We play basketball every day.We don't play bas...
主+be+表的五个句子两个句子改为否定句疑问句用yes,no回答，He is a teacher.Isn't he a teacher?Yes,he is./No,he isn't.They are Chinese.Aren't they Chinese？Yes，they are. /No,they aren't.The boy is my brother....
