3. I was disappointed when I had to cancel my holiday. (I / look forward to it) ... . 4. Ann woke up in the middle of the night. She was frightened and didn’t know where she was. (she / dream) ... . 5. When I got home, Mark was sitting in front of the TV. He had just turned it off. (he / watch a film) ... .

Перевод задания: Поставьте глаголы в форму Past Perfect Continuous.

1. I was disappointed when I had to cancel my holiday. I had been looking forward to it. (Я расстроился, когда мне пришлось отменить отпуск. Я с нетерпением его ждал.)
2. Ann woke up in the middle of the night. She was frightened and didn’t know where she was. She had been dreaming. (Энн проснулась посреди ночи. Она была напугана и не знала, где находится. Ей снился сон.)
3. When I got home, Mark was sitting in front of the TV. He had just turned it off. He had been watching a film. (Когда я вернулся домой, Марк сидел перед телевизором. Он только что выключил его. Он смотрел фильм.)

Past Perfect Continuous образуется по схеме had been + глагол с окончанием -ing и обозначает действие, продолжавшееся до момента в прошлом.