The children ... (sing).
The children are singing.
My sister ... (do) her homework.
My sister is doing her homework.
She ... (not make) a sandwich.
She isn't making a sandwich.
We ... (eat) pizza.
We are eating pizza.
It ... (run).
It is running.
You ... (not swim) in the river.
You aren't swimming in the river.
We ... (have) a good time.
We are having a good time.
Jack ... (talk) on the phone.
Jack is talking on the phone.
We ... (not watch) TV.
We aren't watching TV.
It ... (not sleep).
It isn't sleeping.
They ... (not sit) on the chair.
They aren't sitting on the chair.
I ... (go) shopping.
I am going shopping.
Tom and Mike ... (not play) football.
Tom and Mike aren't playing football.
My parents ... (work).
My parents are working.
The students ... (not have) a test.
The students aren't having a test.
Gina ... (not use) her phone.
Gina isn't using her phone.
I ... (not read) a book.
I'm not reading a book.
Suzie ... (take) a photo.
Suzie is taking a photo.
He ... (not play) tennis.
He isn't playing tennis.
He ... (drive) a car.
He is driving a car.
It ... (snow).
It is snowing.
The baby ... (not cry).
The baby isn't crying.
The people ... (dance).
The people are dancing.
The mouse ... (not eat).
The mouse isn't eating.