改变句型

1. This is （her) bag. (对括号部分提问)
(Whose bag) is this?
2.The man (over there) is a policeman. (对括号部分提问)
(Which man) is a policeman?
3.The pencil is mine. (改为一般疑问句)
(Is) this pencil (mine)?
4.There is a ball under the tree. （改为复数句）
There (are balls) under the tree.
5.Mr Smith teaches maths. （改为否定句）
Mr Smith (doesn't teach) maths.

1. This is （her) bag. (对括号部分提问)
__Whose___ __bag___ is this?
2.The man (over there) is a policeman. (对括号部分提问)
_Which____ __man___ is a policeman?
3.The pencil is mine. (改为一般疑问句)
__Is___ this pencil _yours_____?
4.There is a ball under the tree. （改为复数句）
There _are____ ___bassl__ under the tree.
5.Mr Smith teaches maths. （改为否定句）
Mr Smith _doesn't____ __teach___ maths