Exercise on first and second conditional (2do cuat/sistemas)

First CONDITIONAL

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 (can / move / not) into the new house if it (be / not) ready on time.


Second CONDITIONAL

1. If we (have) a yacht, we (sail) the seven seas.
2. If he (have) more time, he (learn) karate.
3. If they (tell) their father, he (be) very angry.
4. She (spend) a year in the USA if it (be) easier to get a green card.
5. If I (live) on a lonely island, I (run) around naked all day.
6. We (help) you if we (know) how.
7. My brother (buy) a sports car if he (have) the money.
8. If I (feel) better, I (go) to the cinema with you.
9. If you (go) by bike more often, you (be / not) so flabby.
10. She (not / talk) to you if she (be) mad at you.