1. Why you (to be) angry with me yesterday? - I (not to be). 2. Where you (to be) last night? - We (to be) at the theatre. 3. When I (to come) to the bus stop, I (to see) a boy who (to play) with a dog. 4. It (to be) eleven o'clock, when I (to decide) to go to bed. 5. What time they (to have) dinner yesterday? - They (to have) dinner from seven till eight. 6. When she (to see) him a year ago she (not to recognize) him. 7. I (to be) very busy yesterday. I (to prepare) for my exam the whole day. 8. My brother (to wash) the dishes while I (to sweep) the floor. 9. Why you (not to see) a doctor yesterday? 10. It (to rain) heavily when he (to go) out.