1. haven't been; 2. didn't ask; 3. Will she travel; 4. was not; 5. bought; 6. isn't listening
It may be good.
It may become a terrible idea, but we'll try.
It may rain in may.
///
He must do his homework.
He must try not to spend all his money on the weekend.
Start
doesn't take
reads
washed
was
listened
will visit
will not water
will go
is cooking
aren't sleeping
are talking
has gone
hadn't finished
have visited
Мы не можем держать здесь молоко