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Помогите пожайлуста!Поставьте предложения в вопросительную и отрицательную форму:

1.My son was a pupil last year.

2.I was in Omsk two weeks ago.

3.His friends were at our faktory yesterday.

4.My daughter was at the nursery-school last Tuesday.

5.Wednesday was his day off last week.

6.our engineers were in Volgograd last weer.

7.We were nappy to see them yesterday.