III. Преобразуйте следующие предложения в вопросительные и отрицательные: 1. The teacher found some old textbooks
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1. The teacher found some old textbooks a few days ago. - Did the teacher find any old textbooks a few days ago? - The teacher didn't find any old textbooks a few days ago.
2. The students worked in the library last week. - Did the students work in the library last week? - The students didn't work in the library last week.
3. He was a fine actor. - Was he a fine doctor? - He wasn't a fine actor.
4. The explanation of the rule was quite clear to the class. - Was the explanation of the rule quite clear to the class? - The explanation of the rule was not quite clear to the class.
5. The students took an active part in the conversation. - Did the students take an active part in the conversation?
6. The student concentrated on the writer's central idea. - Did the student concentrate on the writer's central idea? - The student didn't concentrate on the writer's central idea.
