Ex. 15. Fill in the blanks with the necessary form of the verb to be. 1. I … at home now. My room … small. 2. He … at the University yesterday. 3. We … in the man’s house last week. 4. Our work … over tomorrow. 5. The girls … in the next room now. 6. Next year she … a teacher of English. 7. The children … at home at this time of the day. 8. My friend … in bed tomorrow because he is ill. 9. My brother … at school at 2 o’clock yesterday. 10. This time last year Jack … in Paris. 11. Today the weather … nice, but yesterday it … very cold. 12. It … a public holiday yesterday. 13. When I was a child, I … afraid of dogs.