Correct
Lara working in London.
Lara IS working in London.
I (write) an email to my friend Nikki.
I am writing an email to my friend Nikki.
Nick/not/watch TV
Nick isn't watching TV.
Where they are going?
Where are they going?
Paul (eat)lunch in the cafeteria.
Paul is eating lunch in the cafeteria.
She/not/play the piano.
She isn't playing the piano.
They waiting for you.
They are waiting for you.
She (play) a video game.
She is playing a video game.
I/not/drink coffee.
I am not drinking coffee.
Carol am preparing for the test.
Carol is preparing for the test.
They (swim) in the pool.
They are swimming in the pool.
The kids/not/play video games.
The kids aren't playing video games.
I is going to sleep right now.
I AM going to sleep right now.
Children (play) football right now.
Children are playing football right now.
It/not/rain.
It isn't raining.