1)paid;-Who did pay the electricity bill last week?-What did Jack pay last week?-When did Jack pay for electricity bill?2)wrote;-Who did write an interesting novel last year?-When did his uncle write an interesting novel?3)wanted;-Who did want to be a scientist many years ago?-What did Sam want to be many years ago?4)went;-Who did go to a picnic last weekend?-When did my parents go to a picnic?5)got;-Who did get married in 1980?-When did she get married?