A) Use the correct tense:
1. He won't live [not / live] in Istanbul if he hates [hate] it
2 .If you write [wite] the letters, I will post [post] them
3. if you don't leave [not/ leave] immediately, I will call [call] the police
4. If he doesn't arrive [not / arrive] soon, we will have to [have to] have dinner without him
5. I won't have to [not / have to] borrow any money from you if I get [get] my salary tomorrow
6 .If you invite [invite] her to dance , she will be [be] very pleased
7. If you retire [retire] soon, you will make yourself ill [make yourself ill]
8 .If you write him a letter ,he will know our address
9. If the policeman had seen the thief,he would have arrested him
10. The buildings wouldn't have burned to askes if the firemen had come in time
11. People wouldn't cross the Bphorus ,if they didn't built those bridges
12. If the family had saved enough money, theywould have bought
a new flat