ТрехЪярусный - орфограмма?

.  Перепишите, раскрывая скобки, определите время глагола. Переведите.

   1. He (to be) twenty-two next year.

         2. The science of the study of the Earth (to make) particular progress in recent years.

         3. The boys broke a window when they (to play)  Football.

         4. How much it (to cost) to send a letter toCanada?

         5 .Let’s go for a walk. It (not to rain) now.