1)
1 larger
2 longest
3 more comfortable
4 worst
5 shortest
2)
1 it is eight o'clock
2 it is twenty to nine
3 it is half past four
4 it is fifty minutes past three
3)
1 do go present indefinite
2 did write past indefinite
3 is snowing present continuous
4 shall be writing continuous in the future
5 was past indefinite
4)
1 celebrated, looked, were, came, was playing, were dancing
2 are skating
3 will skate, -"-
4 did not come, was
5) did they ask questions at the lesson?
what did they ask?
who asked the questions?
didn't they ask the questions?