"I don't think we should threaten them!" That would be bad! But bribe... Giving them things they wanted in exchange for them turning up. That might work.
"So we find out their favourite thing and make sure it is there for them to get when they come to the lesson... That might work!"
no subject
"So we find out their favourite thing and make sure it is there for them to get when they come to the lesson... That might work!"