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.