Complete the conditional sentences exercises below to test your knowledge of conditionals.
1st conditional example:
If he __________________ (get) the job, he ___________ (be) very happy .
If he gets the job, he will be very happy.
Conditional sentences exercises – zero conditional
Complete the conditional sentences exercises below using the zero conditional form.
1. If you _____________ (heat) water to 100 degrees Celsius, it _____________ (boil).
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2. If I _____________ (ask) my dog to sit, he _____________ (obey) me.
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3. You _____________ (need) travel insurance if you _____________ (go) on holiday overseas.
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4. If people _____________ (not exercise), they _____________ (become) unfit.
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5. I _____________ (feel) better if I _____________ (eat) well, .
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Conditional sentences exercises – first conditional
Complete the conditional sentences exercises below using the first conditional form.
6. If I _____________ (find) her phone number, I _____________ (send) it to you.
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7. He _____________ (feel) ill if he _____________ (eat) all those sweets!
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8. If you _____________ (talk) to him, he _____________ (understand) your problem.
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9. I _____________ (visit) you if I _____________ (come) to your hometown next year.
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10. If she _____________ (finish) work late, she _____________ (meet) us at the restaurant.
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Conditional sentences exercises – second conditional
Complete the conditional sentences exercises below using the second conditional form.
11. If I _____________ (know) how to contact him, I _____________ (tell) him the news.
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12. If he _____________ (ask) her to marry him, she _____________ (say) ‘yes’.
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13. He _____________ (not make) so many mistakes if he _____________ (listen) to instructions.
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14. I _____________ (buy) a boat if I _____________ (have) more money.
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15. If he _____________ (try) it, he _____________ (like) it!
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Conditional sentences exercises – third conditional
Complete the conditional sentences exercises below using the third conditional form.
16. If I _____________ (see) him last week, I _____________ (invite) him.
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17. If I _____________ (know) you were in trouble, I _____________ (help) you.
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18. I _____________ (never met) you if _____________ (not go) to that party!
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19. If I _____________ (take) my car for a service, it _____________ (not break down) last night.
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20. She _____________ (not gone) there if I _____________ (warn) her.
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