Ответ:
1.
She is sitting on the floor
She isn't reading a book
She isn't playing the piano
She is laughing
She is wearing a hat
She isn't drinking a coffee
2.
I am not reading a newspaper
I am sitting on a chair
I am not eating
I am not wearing shoes
I am learning English
I am not listening to music
3.
The sun is not shining
It is raining
4.
Look! Ben is dancing with Sandra
"Where are Anna and Lara?" - "They are watching TV"
Hurry! The train is coming
Sasha is wearing a green dress
"Where is Tom?" - "He is cooking dinner"
Kevin isn't working today. He is ill
We are having lunch now. Are you hungry?
The weather is bad. It is raining