IV/
1/ are
2/ isn't
3/ are
4/ isn't
5/ is
6/ aren't
7/ are
8/ isn't
9/ is
10/ is
V/
1/ I often visit my grandparents.
2/ He doesn't normally take the bus to school.
3/ The children usually play the same computer games.
4/ Do you frequently send your letters by e-mail?
5/ My father is seldom at home before six o'clock.
6/ He hardly ever plays the piano in the evening.
7/ He is really bad at football, so he never plays with his friends.
