Поставьте глаголы в следующих предложениях в утвердительную, вопросительную и отрицательную формы past simple. 1. i (to do) morning exercises. 2. he (to buy) a factory. 3. she (to sleep) after dinner. 4. we (to work) part-time. 5. they (to drink) tea every day. 6. mike (to be) a student. 7. helen (to have) a car. 8. you (to be) a good friend. 9. you (to be) good friends. 10. it (to be) difficult to remember everything.