FIRST CONDITIONAL EXERCISES

Complete the sentences with the verbs in brackets. Use the First Conditional.

1. 1  If we ............................ (go) to London, we ...................... (visit) my friend George. 
2. 2  If she ...................... (do) well in her exams, my sister ...................... (go) to university. 
3. 3  Jenny ...................... (not eat) supper if she ...................... (eat) all that ice cream. 
4. 4  My brother ...................... (drive) us to the cinema if we ...................... (ask) him. 
5. 5  Uncle Tim ...................... (phone) us if he ...................... (want) to come with us. 
   6.  If you .......................... (bring) the sandwiches for the picnic, I ..................... (bring) the drinks.
   7.  If he ............................. (talk) too long, his parents .......................... (not let) him use the phone.
   8.  He ................................... (turn) on the heater if it .......................... (be) too cold.
   9.  You .................................... (understand) the questions unless you .......................... (read) the book. 

Rewrite these sentences using IF or UNLESS.
1. If you don't start now, you will not reach there in time.
2. I will take the job unless the pay is too low.
3. I will be surprised if he doesn’t have an accident soon.
4. If she doesn’t stop smoking, she will fall seriously ill.
5. The situation won't get better unless we do something immdiately.
6. You will never understand English grammar unless you study this language.
7. If he doesn't hurry up, he will be late.
8. Beer is great if unless you drink too much of it.
9. Unless the teacher needs more space, this small classroom will be OK.
10. If it doesn't stop raining, we will not have a picnic.