1)
Was Bob happy that he invited friends for a party?
Why was Bob happy?
Whom did Bob invite for a party?
Why did Bob invite friends ?
Bob was happy, wasn't he?
2)
Did I have much money when I traveled to Spain?
When did I have much money?
Where did I travel when I had much money?
Did I travel to Spain?
I travelled to Spain, didn't I?
1)
Was Bob happy that he invited friends for a party?
Why was Bob happy?
Whom did Bob invite for a party?
Why did Bob invite friends ?
Bob was happy, wasn't he?
2)
Did I have much money when I traveled to Spain?
When did I have much money?
Where did I travel when I had much money?
Did I travel to Spain?
I travelled to Spain, didn't I?