the boy is piaying backetball否定句一般疑问句,肯定回答和否定回答.还有划线提问划在play...backet
问题描述：
the boy is piaying backetball否定句一般疑问句,肯定回答和否定回答.还有划线提问划在play...backet
答
否定句：The boy isn't playing basketball(直接在be动词后面加个not,缩写为isn't)
.一般疑问句：Is the boy playing basketball?(把be动词移到句首)
肯定回答：Yes,he is.
.否定回答：No,he isn't
就划线提问：What is the boy doing?
答
Is the boy playing basketball?
Yes, he is.
No, he isn't.
What is the boy doing?
He is playing basketball.
答
1.否定句：The boy isn't playing basketball.
2.一般疑问句：Is the boy playing basketball?
3.肯定回答：Yes,he is.
4.否定回答：No,he isn't.
5.下划线提问：What is the boy doing?