This document discusses using playing cards for English language teaching activities. It describes a game that uses cards to practice modal verbs such as "can", "could" and "will" for making requests. Students write down 3 numbers, receive 3 cards, and try to trade cards with classmates to match the numbers by using modal verbs like "Can I have your 9 for my 10?". Getting all 3 numbers practices requesting and responding with modal verbs. The game is engaging, teaches language naturally, and works well with groups of up to 20 students.