Here’s a teaching technique that I’ve been using recently. It’s an activity that I found online somewhere, I think here:
It’s a really easy activity to set up and I think most people would use it as a warmer but I use it as the main part of the lesson. It’s clear that describing things is a key language skill. You have to be able to describe things all the time. For example, you have to be able to describe something if you’re at a business dinner or if you’re at the coffee machine but also sometimes in business meetings.
If you’re playing with a group, you get one of the group to sit in the “hot seat” in front of the paperboard. The person in the hot seat mustn’t look at the paperboard. Another person writes a word (more or less complicated depending on the level of the group) and the rest of the group has to describe the word, without saying the word obviously.
In individual classes it can work too, you just participate and write the word on the board and describe it yourself or you sit in the hot seat and the student writes the word on the board and then they desribe it to you.
Including discussion between words the exercise can take between 30 mins – 1 hour.