Oh I want to use the computer. How long __________? you / be / going to
How long are you going to be?
When _____________________? it / be / going to
When is it going to be?
__________________ a party / I / have / going to
I'm going to have a party
What _________________ ? you / do / going to
What are you going to do?
____________________ an email. I / send / going to
I'm going to send an email