I do not play tennis every Sunday.
Do I play tennis every Sunday?
Jack does not live in London.
Does Jack live in London?
They do not visit grandparents every weekend.
Do they visit grandparents every weekend
1)I dont play tennis every Sunday.
Do you play tennis every Sunday?
Yes, l do / No, l dont.
2)Jack doesnt live in London.
Does Jack live in London?
Yes, he does/ No, he doesnt.
3) They dont visit grandparents every weekend.
Do they visit grandparents every weekend?
Yes, they do/ No, they dont.
Do not = dont
Does not = doesnt