3. Are standing
4. Is swimming
5. Are building
6. Is coming
7 am cooking
8 is having
3 i am sitting on a chair
4 im not eating
5 it is not raining
6 i am learning english
7 i am not listening to the radio
8 the sun is shining
9 i am wearning shoes
10 i am not smoke cigarrete
11 i am not reading a news paper