He worked yesterday.
Did he work yesterday?
Who worked yesterday?
He worked yesterday, didn't he?
When did he work?
Did he work yesterday or last Monday?
2He works every morning.
Does he work every morning?
Who works every morning?
He works every morning. doesn't he?
When does he work?
Does he work every morning or evening?
3He will work tomorrow.
Will he work tomorrow?
Who will work tomorrow?
He will work tomorrow, won't he?
When will he work?
Will he work tomorrow or next Sunday?