Ответ:

n1
1 ever
2 never
3 never
4 never
5 never
6 ever
7 never
8 ever

n2
1 already
2 yet
3 yet, already
4 yet
5 already
6 already
7 yet
8 yet

n3
1 since
2 for
3 for
4 since
5 since
6 for
7 since
8 since

Объяснение: