Вставь нужную форму глагола to be
When...we going to have diner
why...your friend
when....she going to give
where...they going to have a party
my friends and i .......going to
his father..going to invite me

When are we going to have diner?why is your friendwhen is she going to givewhere are they going to have a party?my friends and i are going tohis father is going to invite me