1 greeted -arrived
2 haven’t watched -for
3 left,got,drove
4 went
5 has seen since arrived
6 has directed for
7 have you done since I saw
He likes milk.
Does he like milk?
He does not like milk.
Нет, нельзя.
"It is...". Is - глагол-связка единственного числа, поэтому нельзя.