Это надо на прошедшую поменят!
Например sit-saw
Begin-began
See-saw
Come-came
Come in-came in
Остальные не знаю
1 am writing 2 am 3 are staying 4 shines 5 is raining 6 are 7 are trying 8 are having 9 are waiting 10 is having
bigger
more interesting
taller
harder
more comfortable
better
nicer
more interested
warmer
better
bigger
more beautiful
sharper
more polite