Пацани нужно здать до восьми

1 They heve been discussing

2 We had been

3 I had been waiting

4 had known

5 had been

6 had been unpacking

7 have been living

8 had been

9 had been serving

10 had been writing

11 had rung

12 had been living

Объяснение:

чтоб было понятнее

Perfect - когда важен результат или что произошло

Perfect continuous - когда вожно иммено сколько оно длилось

(в большинстве случаев)

Объяснение:

they'd been dicussing

we'd been

i'd been waiting

she'd known

they'd been

sister'd been unpacking

they'd been living

she'd been

he'd been serving

pupils had been writing

had been ringing

i'd been living

'd is the short form of "had" which is used in past perfect