Put the verbs into Past Simple. Use the modal verbs and their equivalents: 1. He must work hard to finish his experiment. 2. I can devote myself to scienti fic work. 3. You may repeat this experiment. 4. He must illustrate this law by several experiments. 5. She can study automation in the college. 6. They may carry out these experiments at the laboratory.​

One day we came to Santa Claus he was with a long beard and a red nose. First he asked me to tell verse, I told him verse about the Santa Claus red nose. Then we sat down at the table and began to eat a lot of Goodies ,mother prepared a salad it was called Greek , and then my dad turned on the TV and we started to watch movies about the New Year. Began to beat the Cadets. Adults drank their drinks and I drank juice. Then we lit the Christmas tree its lanterns like fireflies glowed on her. Then he gave gifts to all , and he gave me a great big bus. All my life I had dreamed of that! I am glad that the festival was a success!

The sun ( rises) in the east and ( sets) in the west. 2. Thank you, I ( feel) much better. 3. It (has been snowing) for the whole day,the garden is covered with
snow. 4. I (have been doing  my homework for two hours and I (have not finished) it yet.5. I hope that they (will have received) my letter by Saturday. 6. This is the house where I ( live) I (have lived) here since childhood. 7. Tomorrow we (will be  skiing) in the forest the whole day. 8. The delegation (will start) for London as they (receive) their visas. 9. He ( finished) his design last night. 10. My sister looks) through the morning newspaper every day. 11. Last Sunday at 6p.m. I (was playing) computer games while my younger brother (were reading) comics. 12. They (will meet) each other again in two days. 13. I am writing) the English grammar test now. 14. He always  does) his morning exercises with the window open. 15. We talked about what we (had been doing) since we left school.