I write a letter to her.
I don't write a leter to her
Do I write a letter to her?
She sings very well.
She doesn't sing very well.
Does she sing very well?
He runs in the mornings.
He doesn't run in ther mornings.
Does he run in the mornings?
They watch TV every evening.
They don't watch TV every evening.
Do they watch TV every evening?