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Level 3: Intermediate >> Grammar Worksheets >> Students choose the best form, either first conditional or second conditional, for each sentence.

Put the verbs in the spaces. Are they zero, first or second conditionals?

Example:

If I didn’t eat any food for a month, I would be very hungry. 2nd

1. If I __________ (get) home too late tonight, I __________ (not eat).

2. If they _________ (earn) enough money, they _________ (go) to France for their holiday this summer.

3. If John _________ (can run) 100 metres in 10 seconds, he ________ (be) an athlete.

4. If Simon ________ (catch) a fish today, we ________ (eat) it.

5. If you ________ (go) to the moon, you _______ (be) 400,000 km from the Earth.

6. She _________ (buy) a Porsche if she _________ (win) the lottery.

7. If you __________ (put) salt in hot water, it __________ (dissolve).

8. If it __________ (rain) in the Sahara desert, everyone ________ (be) very surprised.

9. If you _______ (jump) off a tall building without a parachute, it _________ (hurt).

10. If it ________ (rain) tonight, we _________ (can go) to the cinema.

11. She __________ (pass) her exam if she _________ (study) more!

12. If your dog _________ (speak), you __________ (can sell) it to the circus.

13. If you __________ (put) pizza in the oven for 3 hours, it ________ (burn).

14. If we _______ (play) football on Saturday afternoon, I ________ (be) tired on Sunday.

15. You __________ (become) fat if you ______ (eat) too much.

16. If a UFO ________ (land) in the city centre tomorrow, there ______ (be) a big panic.