Inviting someone out-with a twist and of course the modals.

Aim is to do invitations and modal verbs but make it more fun by having a scenario where A is keen on B but B does not want to go out on a date and ends up having to be blunt. There are typical excuses with je dois + infinitive but then a dictionary/translation skills exercise that adds in such things as It is a full moon and I am going to turn in to a werewolf. When they write their own dialogues they end up having more fun than the classic text book dialogue that has them saying they cant because they've got to go to visit their gran.