1 )
Did Paul go to the swimming pool yesterday?
When did Paul go to the swimming pool?
Yesterday Paul went to the swimming pool, didn't he?2 )
Does my new bag cost thirty dollars?
How much does my new bag cost?
My new bag costs thirty dollars, doesn't it?
3 )
Do we have History, Psychology, and English on Monday?
When do we have History, Psychology and English?
On Monday we have History, Psychology, and English, don't we?
4 )
Do most of the students in our group speak two foreign languages?
How many foreign languages do most of the students in our group speak?
Most of the students in our group speak two foreign languages, don't they?
5 )
Do children like to go to bed early?
When do children not like to go to bed?
Children do not like to go to bed early, do they?