ajutor urgent vă rog!!!

Răspuns:
he can't swim very well
can he swim very well?
she isn't listening to music now
is she listening to music now?
they weren't at the party yesterday
were they at the party yesterday?
the boys haven't played football in the morning
did the boys play football in the morning
they haven't went to the seaside last summer?
have they went to the seaside last summer?
he couldn't swim when he was fie
could he swim when he was five?
Explicație:
- = negativ
? = interogativ
nu se prea poate explica