1. на утвердительное предложение Схема:

первый вспомогательный глагол - местоимение, заменяющее подлежащее

— I like this house. — Do you?

— She wants to help us. — Does she?

— The letter has come. — Has it?

— Mother is sleeping. — Is she?

2. на отрицательное предложение Схема:

первый вспомогательный глагол + not редуцированная формула - местоимение,заменяющее подлежащие

— I don't like you. — Don't you?

— She doesn't want to go with us. — Doesn't she?

— The letter has not come. — Hasn't it?

— Mother is not sleeping. — Isn't she?