JOKE: Question Tag

Teacher: Our topic for today is question tag... Example 1: You have a bag, haven't you? Example 2: He can't come, can he? Now Who can make a sentence using question tag? Chidi: we go chop yam today, chopn't we? Teacher: what?? This is terrible! Who can correct that sentence?? Johnny: Aunty no mind dat yamhead! we go chop yam today, yamn't it??