The cats are eating fish.
The cats are eating fish?
The cats aren't eating fish.
You buy a interesting book every week.
Are we buying a interesting book every week?
We aren't buying a interesting book every week
We catch2 Rabbits
Are We catching 2 rabbits?
We aren't catching 2 rabbits.
Look!It's snowing
Look!It's snowing ?
Don't Look!It's not snowing
My brother writes a letter every night
Does (my) brother/he write a letter every night?
He doesn't write a letter every night
He is listening to music right now
Is he listening to music?
He isn't listening to music
The students are are learn a new lesson everyday
Do they learn a new lesson everyday?
The students don't learn a lesson everyday.