Present and past tenses

#1 I do

present simple (-> Units 2-4)

* Ann often plays tennis.

* I work in a bank but I don't enjoy it very much.

* Do you like parties?

* It doesn't rain much in summer.

#2 I am doing

present continuous (-> Units 1, 3-4)

* 'Where's Ann?' 'She's playing tennis.'

* Please don't disturb me now. I'm working.

*Hello. Are you enjoying the party?

* It isn't raining at the moment.

#3 I have done

perfect I present perfect simple (-> Units 7-8, 10-14)

Ann has played tennis many times.

* I've lost my key. Have you seen it anywhere?

* How long have they known each other?

* 'Is it still raining?' 'No, it has stopped.'

* The house is dirty. We haven't cleaned it for weeks.

#4 I have been doing

present perfect continuous (-> Units 9-11)

* Ann is very tired. She has been playing tennis.

* Your're out of breath. Have you been running?

* How long have they been learning English?

* It's still raining. It has been raining all day.

* I haven't been feeling well recently. Perhaps I should go to the doctor.

#5 I did

past simple (-> Units 5-6, 13-14)

* Ann played tennis yesterday afternoon.

* I lost my key a few days ago.

* There was a film on TV last night but we didn't watch it.

* What did you do when you finished work yesterday?

#6 I was doing

past continuous (-> Unit 6)

* I saw Ann in the park yesterday. She was playing tennis.

* I dropped my key when I was trying to open the door.

* The television was on but we weren't watching it.

* What were you doing at this time yesterday?

#7 I had done

past perfect (-> Unit 15)

* It wasn't her first game of tennis. She had played many times before.

* I couldn't get into the house because I had lost my key.

* The house was dirty because we hadn't cleaned it for weeks.

#8 I had been doing

past perfect continuous (-> Unit 16)

* Ann was tired yesterday evening because she had been playing tennis in the afternoon.

* George decided to go to the doctor because he hadn't been feeling well.

For the passive, see Units 41-43.