1. had already gone
2. had taken
3. had learnt
4. had never travelled
5. had climbed
6. had been leaving/had leaved
7. had not eaten
8. had lost
Объяснение:
в Past Perfect мы ставим had + 3 форма глагола или окончание -ed
также, я не знаю, учили ли вы past perfect continuous, если нет, то в 6 второй вариант
1. had already gone
2. had taken
3. had learnt
4. had never travelled
5. had climbed
6. had been leaving/had leaved
7. had not eaten
8. had lost
Объяснение:
в Past Perfect мы ставим had + 3 форма глагола или окончание -ed
также, я не знаю, учили ли вы past perfect continuous, если нет, то в 6 второй вариант