Exercise on Conditional sentences

Put the verb in bracket into correct form
1. If you ______________ (see) this film already, ______ we _____ (go) to
a concert instead?
2. If you _______________ (work) now, I will phone you later.
3. Please ask a policeman to help you if you _____________ (find) the way.
4. If you _____________ (smoke) so much you will kill yourself soon.
5. Our Earth ______________________ (destroy) if people
______________ (stop) cutting down forests.
6. If I stay up late, I always ______________ (feel) hungry.
7. If we leave now, we ______________________ (reach) the boat by noon.
8. You _______________ (respect) other people if you want to be respected.
9. If your car ____________ (not/start), check the engine or ring the garage.
10. If you ____________ (find) my cat, ______you______ (catch) it for me?
1. - What would you do if you _____________ (wake) up in the middle of
the night and _____________ (see) a burglar in your house?
- I don’t know, I could scream.
- I ___________________ (not/ scream) because I ____________ (be) too
frightened to scream, I ____________ (tell) him _________ (take)
everything he wanted and ___________ (leave) me alone.
2. If man continues to destroy his forests at this pace, his life
_____________ (be) very hard in the next century.
3. If you _________________ (forget) to wind the alarm clock you
__________________ (be) late for work this morning and you
________________________ (dismiss).
4. If our Earth ____________ (stop) moving, there _____________ (be)
days or nights and our life ____________ (exist).
5. If you hadn’t helped me I _____________________ (finish) the work on
time.
6. Susan ___________________________ (injure) more badly if she
_______________________ (wear) her seatbelt at the time of the crash.