. If you (send) ___________ this letter now, she (receive) ______________ it tomorrow.
2. If I (do) ______________ this test, I (improve) _______________ my English.
3. If I (find) _____________ your ring, I (give) _____________ it back to you.
4. Peggy (go) ____________ shopping if she ( have) _____________ time in the afternoon.
5. Simon (go) _____________ to London next week if he (get) ___________ a cheap flight.
6. If her boyfriend (phone/not) ____________ today, she (leave) _________ him.
7. If they (study/not) ______________harder, they (pass/not) ______________ the exam.
8. If it (rain) _____________ tomorrow, I (have to/ not)_____________ water plants.
9. You (be able/ not) ___________ to sleep if you (watch) ___________ this scary film.
10. Susan (can/move/not) _______________ into the new house if it (be/not) ____________ ready on time.