Ответ:
Task 1.
1. The child was sleeping at that moment.
2. Nina was having a lecture at 5 o’clock.
3. The family was sitting at the table and having dinner at 8 o’clock in the evening.
4. What were you doing at midnight?
5. The girl was looking for her notebook all morning.
6. The students were preparing for their exams all day long.
7. It was snowing hard all day yesterday.
Task 2.
1. I will be waiting on the corner for you at the usual time tomorrow morning.
2. It probably will be raining when you get back.
3. If you come before six, I will be working in my garden.
4. At this time tomorrow afternoon, I will be taking my final English examination.
5. If we go there now, they will be having dinner. But if we go later, they will be watching television.