Упр. 172. Раскройте скобки, употребляя гла-| голы в Present Simple или Future Simple. (Все предложения относятся к будущему).

1. When he (to return) to St. Petersburg, he (to call) on us. 2. If I (to see) him, I (to tell) him about their letter. 3. We (to gather) at our place when my brother (to come) back from Africa. 4. I (to sing) this song with you if you (to tell) me the words. 5. I hope you (to join) us when we (to gath­er) in our country house the next time. 6. What you (to do) when you (to come) home? 7. If I (to stay) some more days in your town, I (to call) on you and we (to have) a good talk. 8. He (to go) to the Public Library very often when he (to be) a student. 9. As soon as I (to return) from school, I (to ring) you up. 10. You (to pass) many towns and villages on your way before you (to arrive) in Mos­cow. 11.1 (to stay) at home till she (to come). Then we (to go) to the theatre if she (to bring) tickets. 12. After I (to finish) school, I (to enter) the Uni­versity.

Упр. 173. Раскройте скобки, употребляя гла­голы в Present Simple или Future Simple. (Все предложения относятся к будущему).

1. I (to see) you before you (to start)? 2. What he (to do) when he (to come) home? 3. Where they (to go) if the weather (to be) fine? 4. He (to ring) me up when he (to return) home. 5. If it (to rain), we (to stay) at home. 6. She (to walk) home if it .(not to be) too cold. 7. I am sure he (to come) to say good-bye to us before he (to leave) St. Peters­burg. 8. Please turn off the light when you (to leave) the room. 9. If we (to be) tired, we (to stop) at a small village half-way to Moscow and (to have) a short rest and a meal there. 10. If you (to miss) the 10.30 train, there is another at 10.35. 11. She (to make) all the arrangements about it before she (to fly) there. 12. Before he (to start) for London, he (to spend) a day or two at a rest-home not far from here.

Упр. 174. Раскройте скобки, употребляя гла­голы в Present Simple или Future Simple. (Все I предложения относятся к будущему).

1. Don't go away until mother (to come) back. Give her the note as soon as she (to come). 2. You (to go) to the library with us? - - No, I ... . I (to stay) here and (to help) Jane with her grammar. I (to come) to the library after I (to finish). 3. Ring [ me up before you (to come). 4. I (to speak) to Mary if I (to see) her today. 5. I (not to speak) to him until he (to apologize). 6. Peter (to introduce) us to his friend as soon as we (to meet) them. 7. We (to go) to the station to meet Sergei when he (to come) to St. Petersburg.

Упр. 175. Раскройте скобки, употребляя глаго­лы в Present Simple, Present Continuous или Future

Simple.

1. It (to be) cold in autumn. It often (to rain). A cold wind often (to blow). 2. The weather (to be) fine today. It (to be) warm, the sun (to shine) brightly. A soft wind (to blow). Small white clouds (to sail) in the sky. 3. Don't go out: it (to rain) heavily. 4. Take your raincoat with you. I am afraid it (to rain) in the evening and you (to get) wet through if you (not to put) on your raincoat. 5. Every spring birds (to come) to our garden and (to sing) in the trees. 6. Listen! Somebody (to sing) in the next room. 7. It usually (not to snow) at this time of the year. 8. What the weather (to be) like now? It (to snow)? -- No, it .... 9. We (to go) out of town to ski on Sunday? - - Yes, we ... if it (to snow) this week and if there (to be) a lot of snow everywhere. 10. What you (to do) tomorrow? - We (to go) out of town if the weather (not to change) for the worse. You (to come) with us? - - With pleasure if only I (not to have) too much work to do at home.