3.2 You are standing on my foot
Look! Someone is swiming in the river
We are standing at the Central Hotel
She is having a shower
They are builing a new...
I am going now. Goodbye
3.3 She is sitting on the floor
she isn't reading a book
she isn't playing the piano
She is laughing
She is not writing a letter
3.4 I am sitting on a chair
I am not eating
It is raining OR It isn't raining
I am learning English
I am listening to music
The sun is shining OR The sun isn't shining
I am not wearing shoes
I am not reading a newspaper