We had a lot of fun (finished) ,
We are having a lot of fun (continuous,
Did your brother spend a lot of money? (past),
Is your brother spending lots of money? (continuous)
So: What are you doing right now?
Is your favorite cousin working right now?
This question actually has TWO possible meanings,
1) Is he working right now? No, he isn't. He's at home sleeping.
2) Is he working right now? No, he is studying to get his MBA。
Both answers are correct。
What is your best friend doing right now?"
My best friend is drinking coffee and spending time with his girlfriend."
Is anyone in your family traveling right now?"
My best friend is heading home after a night of fun."
Is anyone in your family living abroad?
Yes, they are. My cousin is living in Greece with his mother.
But first let's read the information about typical families in the US
That's the homework, listen to the facts about US families, tell me some facts about Chinese families