Make the following sentences a) negative and b) interrogative. Model: 1. We began to work early yesterday. a) We did not begin to work early yesterday. b) Did we begin to work early yesterday? 2. Airs. Green was happy to see her neighbor. a) Mrs. Green was not happy to see her neighbor. b) Was Mrs. Green happy to see her neighbor? 1. After classes the students played volley-ball. 2. I was very tired after the lesson. 3. The boss went away on business on Monday. 4. Helen lost her umbrella yesterday. 5. Fortunately I caught the 6 o'clock train. (c переводом)

After classes the students played volleyball. After classes the students didn't play volleyball. Did the students played volleyball after classes? После уроков ученики играли в воллейбол. I was very tired after the lesson. I wasn't very tired after the lesson. Was I very tired after the lesson? Я не был очень уставшим после урока. 3. The boss went away on business on Monday. The boss didn't go away on business on Monday. Did the boss go away on business on Monday? Начальник уехал по делам в понедельник. Helen lost her umbrella yesterday. Helen didn't lose her umbrella yesterday. Did Helen lose her umbrella yesterday? Хелен потеряла свой зонт вчера. Fortunately I caught the 6 o'clock train. Fortunately I didn't catch the 6 o'clock train. Did I catch 6 o'clock train? К счастью я попал на поезд в 6 часов.