Make If-clauses - type 1 (Was ist, wenn … : Bedingung/Folge ist wahrscheinlich).

1. 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 the plants.
9. You (be able/ not) to sleep if you (watch) this scary film.
10. Susan (move / not) into the new house if it (be / not) ready on time.
11. If they (go) to Washington, they (see) the White House.
12. If he (arrive) later, he (take) a taxi.
13. Andy (cook) dinner if we (buy) the food.
14. I (prepare) breakfast if I (wake up) early.
15. If you (hate) walking in the mountains, you (enjoy / not) the tour.