Конечно, давайте разберем, как преобразовать данные предложения в вопросительную и отрицательную формы.
1. Past Continuous Tense
a) I was having dinner when you rang me up.
- Вопросительная форма: Was I having dinner when you rang me up?
- Отрицательная форма: I wasn't having dinner when you rang me up.
b) His mother was making supper in the kitchen when I came in.
- Вопросительная форма: Was his mother making supper in the kitchen when I came in?
- Отрицательная форма: His mother wasn't making supper in the kitchen when I came in.
c) Your friends were smoking in the corridor when I saw them.
- Вопросительная форма: Were your friends smoking in the corridor when I saw them?
- Отрицательная форма: Your friends weren't smoking in the corridor when I saw them.
d) I was hurrying to the canteen when I met you.
- Вопросительная форма: Was I hurrying to the canteen when I met you?
- Отрицательная форма: I wasn't hurrying to the canteen when I met you.
e) We were having our English at 10 in the morning.
- Вопросительная форма: Were we having our English at 10 in the morning?
- Отрицательная форма: We weren't having our English at 10 in the morning.
2. Future Continuous Tense
a) He'll be waiting for you at seven in the evening.
- Вопросительная форма: Will he be waiting for you at seven in the evening?
- Отрицательная форма: He won't be waiting for you at seven in the evening.
b) They will be having dinner at that time.
- Вопросительная форма: Will they be having dinner at that time?
- Отрицательная форма: They won't be having dinner at that time.
c) We'll be discussing this question tomorrow morning.
- Вопросительная форма: Will we be discussing this question tomorrow morning?
- Отрицательная форма: We won't be discussing this question tomorrow morning.
d) They'll be packing tomorrow.
- Вопросительная форма: Will they be packing tomorrow?
- Отрицательная форма: They won't be packing tomorrow.
e) I'll be meeting my old friends in Kiev soon.
- Вопросительная форма: Will I be meeting my old friends in Kiev soon?
- Отрицательная форма: I won't be meeting my old friends in Kiev soon.
Таким образом, вы можете преобразовать предложения в вопросительную и отрицательную формы, используя вспомогательные глаголы (was/were для Past Continuous и will для Future Continuous) и отрицательные частицы (not).