Question

5)
May/ could
you
not park here on
the pavement, please?
6) Sheila
(can/ may) szeute the names of
all the countries and their capitals.
Twould / could) you play the piano
a child?
8) They
could not / may not) enter the halls
because they were late​

Answer 1

5. May

6.can

8.may not

Hope it will help u