ing
is / am / are
No!
100

I (write) an email to my friend Nikki.

I am writing an email to my friend Nikki.

100

She........... calling her mother.

She is calling her mother.

100

Nick/not/watch TV

Nick isn't watching TV.

200

Paul (eat) lunch in the café.

Paul is eating lunch in the café.

200

They ........... playing a game.

They are playing a game.

200

She/not/play the piano.

She isn't playing the piano. 

300

She (play) a video game.

She is playing a video game.

300

He ........ getting ready for the party

He is getting ready for the party.

300

I/not/drink coffee.

I am not drinking coffee.

400

They (swim) in the pool.

They are swimming in the pool.

400

I........ working on the project

I am working on the project

400

The children / not / play video games.

The children aren't playing video games.

500

The children (play) football right now.

The children are playing football right now.

500

It.......... raining very hard in London.

It is raining very hard in London.

500

It/not/rain.

It isn't raining.