1-a) Can I use your telephone?
b) Can he take the pets to museum?
c) Can you use your cell at scool?
d) Could I close the window now?
e) Can we watch tv after dinner?
f) Could I go to the club tomorrow?

2) 1- II, 2- V, 3- IV, 4-I, 5- VI, 6- III

3-a) do
b) can
c) is
d) do
e) can't
f) does

Espero ter ajudado! Peço desculpas se algum exercício estiver errado