A ‣ Do as auxiliary 
questions | short answers | negatives |
Do you like tennis? | Yes, I do. So does Matteo. | He doesn’t play well. |
Did they like the film? | Yes, they did. So did I. | Leo didn’t see it. |
B ‣ What are you doing? 
Do as a general verb:
On Saturdays I usually do nothing. I just relax.
What are the people in the picture doing?
They’re dancing.
C ‣ What do you do?
A: What do you do? [What is your job?]
B: I’m a student. / I’m a hairdresser.
A: What does your wife do? [What’s your wife’s job?]
B: She’s a doctor. / She’s a teacher.
(See Unit 14: Jobs.)
D ‣ Do + activity 
do the housework
do the gardening
do the washing
do the washing-up
do your homework
do some exercises
do business with
do your best
A: Did you do the washing this morning?
B: No, I’m going to do it later.
Our company does a lot of business with the US.
The homework is very difficult – just do your best.
Tip
Make a note of any expressions with do that you find when you are reading in English.
(See Unit 41 for the contrast between do and make.)