Unit 11: SHORT ANSWERS
We can use short answers to answer (1) questions which ask for 'yes' or 'no' and (2) subject questions (Unit 10). The verb of a short answer contains only the first auxiliary (Unit 3).
With the verb be
[Q]:QUESTION, [A]:SHORT ANSWER
[Q] Are they students?
[A] Yes, they are.
[Q] Is he at home?
[A] No, he is not.
[Q] Who was the winner?
[A] John was.
With present and past simple (Units 19, 21)
[Q] Does he drive an ambulance?
[A] No, he doesn't.
[Q] Did Ahmed meet Maria at the airport?
[A] Yes, he did.
[Q] Who gave you all that money?
[A] My father did. NOT my father gave
[Q] Who lives in that house?
[A] John does. NOT John lives
NOTICE: Question: Does he need an appointment?
CORRECT ANSWERS:
Yes.
Yes, he does.
Yes, he needs an appointment.
WRONG ANSWERS:
Yes, he needs.
Yes, he does need.
With other verb formations
[Q] Are they having a meeting?
[A] Yes, they are.
[Q] Will Canada win the World Cup?
[A] No, they won't. (will not)
[Q] Have you been working hard?
[A] No, I haven't.
[Q] Who has got a first aid certificate?
[A] John has.