10. If I (study) ......................., I (to pass) ........................ the exams.
11. If the sun (shine) ..........................., we (walk) ................... into town.
12. If he (have) ............................ a temperature, he (see) ........................ the doctor.
13. If my friends (come) ............................., I (be) ...................... very happy.
14. If she (earn) ........................ a lot of money, she (fly) ................... to New York.
15. If we (travel) ........................... to London, we (visit) ................... the museums.
16. If you (wear) ....................... sandals in the mountains, you (slip) ....................... on the rocks.
17. If Rita (forget) ...................... her homework, the teacher (give) ................... her a low mark.
18. If they (go) .................. to the disco, they (listen) ......................to loud music.
19. If you (wait) ........................... a minute, I (ask) ...................... my parents.
20. If you (send) ......................... this letter now, she (receive) ...................... it tomorrow.
21. If I (do) ..................... this test, I (improve) ................. my English.
22. If I (find) ......................... your ring, I (give) ................... it back to you.
23. Peggy (go) ............................. shopping if she (have) ...................... time in the afternoon.
24. Simon (go) ....................... to London next week if he (get) ..................... a cheap flight.
25. If her boyfriend (phone/not) .......................... today, she (leave) ..................................... him.
26. If they (study/not) ................................ harder, they (pass/not) ................................. the exam.
27. If it (rain) ....................tomorrow, I (have to/not) ..................... water the plants.
28. You (be able/not) ..................... to sleep if you (watch) ........................ this scary film.
29. Susan (can/ move/not) ................... into the new house if it (be/not) ............_ ready on time.