Zero & First Conditional

Grammar Reference

Zero & First Conditional — Exercises

Complete with the correct form

Use the present simple or will + verb. The verb is given in brackets.

1. If I fail my exams, I them again next year. (take)
   
2. They'll be late for work unless they . (hurry)
   
3. Call me if you some help with your homework. (need)
   
4. If you give your project in late, the teacher it. (not mark)
   
5. Ask me if you what to do. (not know)
   
6. My cousin college next year if he passes all his exams. (finish)
   

Choose the correct form

Tap the correct option.

1. If I don't go / won't go to bed right now, I won't be able / 'm not able to get up.
   (don't go / won't be able / won't go / 'm not able) 
2. I'll buy / I buy some bread if the bakery is / will be still open.
   (I'll buy / is / I buy / will be) 
3. You pass / You'll pass your test if you won't forget / don't forget your lucky pen.
   (You'll pass / don't forget / You pass / won't forget) 
4. We'll phone / We phone my mum after the exam if we need / will need a lift home.
   (We'll phone / need / We phone / will need) 
5. You won't feel / You don't feel cold if you put / will put this sweater on.
   (You won't feel / put / You don't feel / will put) 

IF or UNLESS?

Type if or unless.

1. We cannot go swimming the rain stops.
   
2. My mother will cook they decide to eat out.
   
3. you drive more carefully, you will have an accident.
   
4. He'll get lost someone shows him the way.
   
5. You can't watch TV you finish your homework.
   
6. you don't hurry, you'll be late for school again.
   
7. You can't travel abroad you don't have a passport.
   
8. My parents will be angry I pass my exams.
   
9. I should be there by 11 I don't catch any traffic.
   

Complete the First Conditional sentences

Use the verbs in brackets in the correct form.

1. If we (go) to Italy, we (visit) my friend Marco.
   
2. If she (do) well in her test, my sister (go) to college.
   
3. Jackeline (not eat) dinner if she (eat) all that doughnut.
   
4. My dad (drive) us to the theatre if we (ask) him.
   
5. Uncle Tom (phone) us if he (want) to come with us.
   

Zero & First Conditional — Answer Key

Complete with the correct form

1. will take
2. hurry
3. need
4. won't mark
5. don't know
6. will finish

Choose the correct form

1. don't go / won't be able
2. I'll buy / is
3. You'll pass / don't forget
4. We'll phone / need
5. You won't feel / put

IF or UNLESS?

1. unless
2. unless
3. if
4. unless
5. unless
6. if
7. if
8. if
9. if

Complete the First Conditional sentences

1. go
2. does
3. won't eat
4. will drive
5. will phone