1don't argue with her, you her age. a may respect b might respect c ought of respect d are to respect 2 this is serious; you at it. a should not laugh b oughtn't laugh to c may not laugh d don't laugh 3 we to write and thank them for their hospitality. a may not forget b don't forget c shouldn't forget d might not forget 4 he to see us tomorrow. a may comes b may come c may to come d mays come 5 they finish the work by thursday. a shouldn't b not might c don't may d may not