1, If you mix red with blue, you will get purple.

2, If Arsenal wins, they will be on top of the league.

3, It rains, so we cancel the match.

4, If you take the first bus, you will get there on time.

5, If you need more helpers, I can try to get some time off work.

6, Mary might deliver your parcel if you ask her.

7, If I were 20, I would travel to work.

8, If Jim lent us the car, we could go to the party.

9, We would save $3.50 a day if we didn’t eat any lunch.

10, If burglars broke into my house, they would not find any money.

11, You would be very angry if I failed my exam.

12, If I were you, I would phone her straight away.

13, If you loved me, you would buy me a diamond ring.

14, If I knew where she lived, I would go and see her.

15, If you went to bed earlier, you would feel tired.

1,If / you / mix / red / blue / get / purple.

⇒If you mix red with blue, you will get purple.
2. If / Arsenal / win / they / be / top / the league.

⇒ If Arsenal wins, they will be on top of the league.
3. It / rain / we / cancel  / the match.

⇒It rains, so we cancel the match.
4. You / take / first bus / you/ will/ get/ there on time.

⇒If you take the first bus, you will get there on time.
5.You/ need / more helpers / i / can try / get some time off work.

⇒If you need more helpers, I can try to get some time off work.
6. Mary / might / deliver your parcel / you / ask / her.

⇒Mary might deliver your parcel if you ask her.
7. I / were / 20 / i would / travel / work.

⇒If I were 20, I would travel to work.
8. Jim / lent / us / car / we / could / go / party.

⇒If Jim lent us the car, we could go to the party.
9. We/ would/ save /$3.50 a day / we didn't/ eat any lunch.

⇒We would save $3.50 a day if we didn’t eat any lunch.
10. Burglars / broke/ into my house / they / find any money.

⇒If burglars broke into my house, they would not find any money.
11. You / be very angry / i failed / my exam.

⇒You would be very angry if I failed my exam.
12. I / were / you / would / phone her / straight away.

⇒If I were you, I would phone her straight away.
13. You / loved me / you / buy me / a diamond ring.

⇒ If you loved me, you would buy me a diamond ring.
14. I / knew /  where she lived / i / go and see her

⇒ If I knew where she lived, I would go and see her.
15. You / went / to bed earlier you / would / tired.

⇒If you went to bed earlier, you would feel tired.