The computer is broken.

The computer isn't broken.

Is the computer broken?

Bird outside the window.

Bird doesn't outside the window.

Does bird outside the window?

We're home.

We ain't home.

Are we home?

You will be a good specialist.

You won't be a good specialist.

Will you be a good specialist?

Your grandfather was with a friend.

Your grandfather wasn't with a friend.

Was your grandfather with a friend?

I'd treat her.

I wouldn't treat her.

Would I treat her?

He should have come.

He shouldn't have come.

Should he have come?

She can buy new boots.

She can't buy new boots.

Can she buy new boots?

We had to translate the text.

We hadn't to translate the text.

Had we translate the text?

Your dad is good at drawing.

Your dad isn't good at drawing.

Is your dad good at drawing?

He starts school on monday.

He doesn't start school on monday.

Does he start school on monday?

Students left.

Students don't left.

Do students left?