变否定句：1.I am going to shave.2.I am shaving.he来改写：3.I'm going

变否定句：
1.I am going to shave.
2.I am shaving.
he来改写：
3.I'm going to wait for a bus.
4.I'm waiting for a bus.
变一般疑问句：
5.We're going to do uor homework.（肯定回答）
6.We're doing uor homework.（否定回答）
划线部分提问：
7.I'm going to paint this bookcase.(this bookcase为画线部分）
8.I'm painting this bookcase.(this bookcase为画线部分）
9.We're going to listen to the stereo.(listen to the stereo为画线部分）
10.We're listen to the stereo.(listen to the stereo为画线部分）
11.I'm going to wash the dishes.(I为画线部分）
12.I'm washing the dishes.(I为画线部分）