Вставьте глагол в правильной форме (Conditional 0 andI).1) If you (drop) an apple, it (fall). 2) I (get) tired if I (work) too much. 3) Water (boil) if you (heat) it to 100° C. 4) I (phone) my friend if I (have) time today. 5) If you (freeze) water, it (turn) into ice. 6) If it (rain) today, I (stay) at home. 7) If I (see) you tomorrow, I (buy) you a drink. 8) We (go) to the beach if it (be) warm tomorrow.

1) If you drop an apple, it falls. 
2) I get tired if I work too much. 
3) Water boils if you heat it to 100° C. 
4) I will phone my friend if I have time today. 
5) If you freeze water, it turns into ice. 
6) If it rains today, I will stay at home. 
7) If I see you tomorrow, I will buy you a drink. 
8) We will go to the beach if it is warm tomorrow.