Придумайте 5 предложений на английском с использованием Past Perfect Continuous
(3+, 2-, 1?)

1)She has been cooking for 2 hours.

2)She had been cooking until 5.

3)My sister hadn’t been waiting long at the airport when they announced about the delay of her flight.

4)He had been looking for a job for months before he got one.

5)By the time we came home, our mum had been cooking in the kitchen for three hours.