1. - DID THEY HAVE many toys?Yes, THEY DID.
They had a lot of toys.
2. - ARE YOU GOING TO INVITE the Browns?
Yes, I AM.
I'm going to invite the Browns.
3. - HAS HE TO GO there?
Yes, HE HAS.
He has to go there.
4. - DID THEY FIND the coin there?
Yes, THEY DID.
They found the coin there.
5. - WAS THERE a coin there?
Yes, THERE WAS.
There was a coin there.