Составьте 6 предложений по Past Perfect
2 утвердительных,
2 вопросительных,
2 отрицательных.

Ответ:

Я так понимаю, они должны быть на любую тему

Past perfect

+)

1)you had cleaned your flat by 5 o'clock yesterday.

2)when I wake up yesterday, father had already gone to work.

-)

1)you hadn't cleaned your flat by 5 o'clock yesterday.

2)Nick thought that his father hadn't yet come home.

?)

1)Had you cleaned your flat by 5 o'clock yesterday?

2)Had you come home before your parents arrived?