Откройте скобки в First Conditional If he is not very busy, he (to agree) to go to the museum with us. If it (to snow), the children will play snowballs. If you (to be) busy, I (to leave) you alone. If I (to get) a ticket, I (to go) to the concert. If my friend (to come) to see me, I (to be) very glad. If mother (to buy) a cake, we (to have) a very nice tea party. If my friend (to be) at home, he will tell us what to do. If you (to give) me your address, I ( write ) you a letter. If you (not to miss) the train, you (arrive) in time. My parent (be) angry if I (be) late. If she (not pass) her exam, she (not get) into university. We (go) for a walk if the weather (be) nice.