Make sentences with the verb to be . 1. i __ 18 years old. 2. i __ 15 three years ago. 3. my family __ not very big. 4. our flat __ in the centre of the city. 5. we married yet. 6. last year his uncle 45 years old. 7. my mother and father at work. 8. i __ __ an engineer in four years. 9. mark a sociable boy at school. 10. __ you __ a programmer after yo u graduate from university? 11. they married in 2008? 12. alex her brother, he __ her boyfriend. 13. maria’s mother in her offi ce at 12 o’clock yesterday. 14. i __ at home now. i __ at the lesson. 9 15. they __ __ __ happy together be cause they are different: she __ modest and he __ ambitiou