1) i (go) to the theatre if i (buy) tickets. 2)if she (not come) in time the (be) late for the concert. 3)if i (get) tickets for the evening performance in advance i (ring) you up. 4)he (write) a letter today if he (have) free time. 5) you (call i me up if you (came) back early? 6)if you (not tell) me the truth i never (speak) to you. 7)if you (go) to bed immediately we (take) you to the cinema tomorrow. 8)if they (take) a taxi they (not miss)thetrain. 9)if you (lend) him the book he (read) it quickly.

1) I will go to the theatre if I buy tickets.

2)If she does not come in time they will be late for the concert.

3)If I get tickets for the evening performance in advance I will ring you up.

4)He will write a letter today if he has free time.

5) Will you call me up if you come back early?

6)If you do not tell me the truth I will never speak to you.

7)If you go to bed immediately we will take you to the cinema tomorrow.

8)If they take a taxi they will not miss the train.

9)If you lend him the book he will read it quickly.

Все предложения относятся к условным предложениям Первого типа - Conditional I