Вставь нужную форму глагола to be When...we going to have diner why...your friend when....she going to give where...they

When are we going to have dinner?

Why is your friend?

When is she going to give?

Where are they going to have a party?

My friends and I are going to...

His father is going to invite me.

Is - употребляется с he (он), she (она), it (оно).

Am - употребляется с I (я).

Are - употребляется с we (мы), you (ты,вы), they (они).