General question: Does Tom make a lot of mistakes?
Special question: Who makes a lot of mistakes?
Tag question: Tom makes a lot of mistakes, doesn't he?
Alternative question: Does Tom make a lot of mistakes or does he always get things right?

General question: Do Bill and Barbie like to play the piano?
Special question: Who likes to play the piano?
Tag question: Bill and Barbie like to play the piano, don't they?
Alternative question: Do Bill and Barbie like to play the piano or do they prefer another instrument?

General question: Does Den want to be a lorry driver?
Special question: Who wants to be a lorry driver?
Tag question: Den wants to be a lorry driver, doesn't he?
Alternative question: Does Den want to be a lorry driver or does he have another career goal in mind?

General question: Can Dad read the newspaper at supper?
Special question: What can Dad do at supper?
Tag question: Dad can read the newspaper at supper, can't he?
Alternative question: Can Dad read the newspaper at supper or does he prefer to watch TV instead?