I. а) Вопросы:
Had they lived in New York by 1978 for ten years?
Where had they lived by 1978 for ten years?
Who had lived in New York by 1978 for ten years?
Had they lived in New York or LA by 1978 for ten years?
They had lived in New York by 1978 for ten years, hadn't they?
б) Отрицательная форма:
They hadn't lived in New York by 1978 fo ten years.
II. a) Вопросы:
Had she packed everything by 7 o'clock yesterday morning?
When had she packed everything?
Who had packed everything by 7 o'clock yesterday morning?
Had she packed everything by 7 o'clock yesterday morning or evening?
She had packed everything by 7 o'clock yesterday morning, hadn't she?
б) Отрицательная форма:
She hadn't packed everything by 7 o'clock yesterday morning.
III. a) Вопросы:
Had I translated the article by the end of September?
How had I translated the article by the end of September?
Who had translated the article by the end of September?
Had I translated the article by the end of September or December?
I had translated the article by the end of September, hadn't I?
б) Отрицательная форма:
I hadn't translated the article by the end of September.