Упр. 221. Раскройте скобки, употребляя глаголы в одном из следующих 79  времен: Present, Past, Future Simple; Present, Past Continuous; Present, Past Perfect. 1. We (to go) to school every day. 2. Nick (to do) his home-work by seven o'clock yesterday. 3. You (to help) your father tomorrow? 4. We (to bring) a lot of berries from the wood. Now we shall make jam. 5. Look! Jane (to swim) across the river. 6. What you (to do) at six o'clock yesterday? 7. You ever (to see) the Pyramids? 8. I (to go) to the Caucasus two years ago. 9. When Nick (to come) home yesterday, his mother (to return) and (to cook) dinner in the kitchen. 10. When I (to go) to school yesterday, I suddenly (to remember) that I (to forget) to take my English exercise-book. 11. Yesterday grandfather (to tell) us how he (to work) at the factory during the war. 

1 go 2 had done 3 will you help 4 have brought 5 is swimming 6 what were you doing 7 Have you ever seen 8 went 9 came, had returned, was cooking 10 was going, remembered, had forgotten 11 told, had been working