Exercise on conditional sentences
1. Complete the Conditional Sentences Type I.
1. If Caroline and Sue (prepare) the salad, Phil (decorate) the house.
2. If Sue (cut) the onions for the salad, Caroline (peel) the mushrooms.
3. Jane (hoover) the sitting room if Aaron and Tim (move) the furniture.
4. If Bob (tidy) up the kitchen, Anita (clean) the toilet.
5. Elaine (buy) the drinks if somebody (help) her carry the bottles.
6. If Alan and Rebecca (organize) the food, Mary and Connor (make) the sandwiches.
7. If Bob (look) after the barbecue, Sue (let) the guests in.
8. Frank (play) the DJ if the others (bring) along their CDs.
9. Alan (mix) the drinks if Jane (give) him some of her cocktail recipes.
10. If they all (do) their best, the party (be) great.
2. Complete the Conditional Sentences (Type I) by putting the verbs into the correct form.
1. If you (send) this letter now, she (receive) it tomorrow.
2. If I (do) this test, I (improve) my English.
3. If I (find) your ring, I (give) it back to you.
4. Peggy (go) shopping if she (have) time in the afternoon.
5. Simon (go) to London next week if he (get) a cheap flight.
6. If her boyfriend (phone / not) today, she (leave) him.
7. If they (study / not) harder, they (pass / not) the exam.
8. If it (rain) tomorrow, I (have to / not) water the plants.
9. You (be able/ not) to sleep if you (watch) this scary film.
10. Susan (can / move / not) into the new house if it (be / not) ready on time.
3. Janine is a daydreamer. She imagines what would happen if she won the lottery. Complete the
Conditional Sentences Type II.
1. If I (play) the lottery, I (have) a chance to hit the jackpot.
2. If I (hit) the jackpot, I (be) rich.
3. If I (be) rich, my life (change) completely.
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9. If it (be) a home game, our team (win) the match.
10. If our team (win) the match, they (move) up in the league.
6. Complete the Conditional Sentences (Type III) by putting the verbs into the correct form. Use
conditional II with would in the main clause.
1. If you (study) for the test, you (pass) it.
2. If you (ask) me, I (help) you.
3. If we (go) to the cinema, we (see) my friend Jacob.
4. If you (speak) English, she (understand)
5. If they (listen) to me, we (be) home earlier.
6. I (write) you a postcard if I (have) your address.
7. If I (not / break) my leg, I (take part) in the contest.
8. If it (not/ start) to rain, we (walk) to the museum.
9. We (swim) in the sea if there (not / be) so many sharks there.
10. If she (take) the bus, she (not / arrive) on time.
7. Decide whether the following Conditional Sentences are Type I or Type II.
1. If they go to Australia, they will go whale-watching.
Type I Type II
2. If she had a mobile, I would call her.
Type I Type II
3. If Bob were here, he would have a solution for our problem.
Type I Type II
4. If you move here, we will see each other more often.
Type I Type II
5. You'll live longer if you stop smoking.
Type I Type II
6. If Sarah didn't go with John, Anna would try to become his girlfriend.
Type I Type II
7. I will only dance if they play my favorite song.
Type I Type II

10. Decide whether the following Conditional Sentences are Type I, II or II.
1. If he had dropped the vase, it would have broken.
Type I Type II Type III
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2. If you have to do the washing up, I will help you.
Type I Type II Type III
3. If I had a hammer, I'd hammer in the morning ... (song)
Type I Type II Type III
4. I wouldn't run away if I saw a spider.
Type I Type II Type III
5. We'd have given you a lift if you hadn't had your bike with you.
Type I Type II Type III
6. If you had listened to me, the accident wouldn't have happened.
Type I Type II Type III
7. If we don't get tickets for the concert, we'll stay at home.
Type I Type II Type III
8. They'd go by bus if they didn't have a car.
Type I Type II Type III
9. She'll hear us if you don't stop laughing.
Type I Type II Type III
10. He wouldn't have taken the bread if he hadn't been hungry.
Type I Type II Type III
11. Complete the Conditional Sentences. Decide whether to use Type I, II or III.
1. If I had time, I (go) shopping with you.
2. If you (speak) English, you will get along with them perfectly.
3. If they had gone for a walk, they (turn) the lights off.
4. If she (come) to see us, we will go to the zoo.
5. I would have told you, if I (see) him.
6. Would you mind if I (open) the window?