Раскройте скобки,употребляя глаголы в форме past continuous . 1) i (to read) a book at two o'clock . 2)they (to write) theat this time yesterday. 3)he (to work) in the garden from two till five o'clock. 4)we ( to watch) television the whole evening. 5)you (to play) football at six o'clock? 6)you (to drink) tea at seven o'clock? 7)he (to draw) from three till four o'clock? 8)who (to listen) to the radio at this time? 9)it (to rain) the whole day yesterday? 10)they ( to skate) at three o'clock? 11)you (not to sleep) at nine o'clock last night. 12)i (not to write) a letter to my granny at eight o'clock. 13)she (not to help) mother about the house from two till. 14)george ( to do) his lessons the whole evening ? 15)he ( to speak) in a low voice.

Для образования времени Past Continuous используется вспомогательный глагол to be в форме прошедшего времени (was для единственного числа, were для множественного) и основной глагол с окончанием -ing. Ниже представлены предложения с раскрытыми скобками:

1. I was reading a book at two o'clock.
2. They were writing at this time yesterday.
3. He was working in the garden from two till five o'clock.
4. We were watching television the whole evening.
5. Were you playing football at six o'clock?
6. Were you drinking tea at seven o'clock?
7. Was he drawing from three till four o'clock?
8. Who was listening to the radio at this time?
9. Was it raining the whole day yesterday?
10. Were they skating at three o'clock?
11. You were not (weren't) sleeping at nine o'clock last night.
12. I was not (wasn't) writing a letter to my granny at eight o'clock.
13. She was not (wasn't) helping mother about the house from two till (four).
14. Was George doing his lessons the whole evening?
15. He was speaking in a low voice.

Краткая справка по формам:

• Утверждение: I/He/She/It + was + verb-ing | We/You/They + were + verb-ing.
• Отрицание: was not (wasn't) / were not (weren't).
• Вопрос: Was/Were выносится перед подлежащим.

Я могу составить для вас аналогичные упражнения для закрепления этой темы или объяснить правила правописания окончаний при добавлении -ing. Хотите, чтобы я это сделал?