The format and content differs with the type of Audience. I plan my Lesson with fun activities in the beginner level where my first focus is to always make the learner comfortable with the language. for the beginners I use an energetic warmer to lower down the affective filter.
For Adults, the activities again play a great role to do away with their adult baggage and bring them onto the learning platform.
I generally make relatable content so that they can connect with the new language and following maximum repetitions I take the class along.
I add music, theatre techniques, fun activities, realia and also peer activities to make the learning fruitful.