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. Complete the conditional sentences (type I). Remember to use the auxiliary verbs. 1. If it doesn't rain, we (can / go) swimming tomorrow. 2. If you train hard, you (might / win) first prize. 3. If we go to Canada next year, we (can / improve) our English. 4. I (May / go) to the disco in the evening if I do the washing-up now. 5. If we go on holiday next week, I (not / can / play) tennis with you. 6. If you see Gareth tomorrow, you (should / tell) him that you love him. 7. If my parents go shopping in the afternoon, I (must / look) after my little sister. 8. He (must / be) a good drummer if he plays in a band. 9. If you are listening to the radio after 10 pm, you (should / turn) the volume down. 10. If you like that shirt, you (can / have) it. CONDITIONAL SENTENCE TYPE 1 1. If we (go) to London, we (visit) the Tower. 2. If the shop (open) , I (buy) a souvenir. 3. If she (catch) the bus, she (be) here on time. 4. He (tell) me if he (find) the answer. 5. If you (eat) an ice-cream, I (have) a hot chocolate. 6. If she (need) a computer, her brother (give) her his computer. 7. If we (have / not) time this afternoon, we (meet) tomorrow. 8. He (talk) to her if you (want / not) to do it. 9. You (win / not) the game if you (know / not) the rules. 10. If you (not study), you (fail) the test. 11. We (die) if we (not get) help soon! 12. If you (look) in the fridge, you (find) some cold drinks. 13. If there (be) no oil in the engine, the car (break) down. 14. I (lend) you my umbrella if you (need) it. 15. The sea level (rise) if the planet (get) hotter.