III. Give the correct form of the verbs in the brackets to complete the sentences:
1. Ted and Amy (marry)........................................... for 24 years.
2. Fred.......................(answer) the phone if his wife (to have).......................... a bath.
3. If Claire........ (wear) this dress at the party, our guests...............................................(not/stay) any longer.
4. They......................(not/ survive) in the desert if they.....................................(not/ take) extra water with them.
5. You...................(cross) the Channel if you...............(fly) from Paris to London.
6. I.....................(remember) you if you.............. (give) me a photo.
7. If you...................(press) CTRL+S, you.................(save) the file.
8. He...................(not/understand) you if you........................(whisper).
9. If we...........................(send) an invitation, our friends...........................(come) to our party.
10. At last the bus came. We (wait).................. for half an hour.
11. I'm feeling sick. I (eat)............................. so much chocolate last night.
12. If I.........................(touch) his snake, my girlfriend................................ (not/scream).
13. I think the weather (be)................. nice later.
14. I (turn)........................ the dishwasher on when heard the shot.
15. She...................(forget) to pick you up if you...................................(not/ phone) her.