EX1 : Supply the correct form of the verbs.
6. She (receive)________ it tomorrow if you (send) ________ this letter now.
7. If I (do)________ this test, I (improve)________ my English.
8. I (give)________ it back to you if I (find) ________ your ring.
9. Peggy (go) ________ shopping if she (have)________ time in the afternoon.
10. Simon (go)________ to London next week if he (get) ________ a cheap flight.