HOW TO SAY: "I DON'T UNDERSTAND!"

While looking for something that could eventually liven up my 'oh-everythin'-is-so-dull' students, I came across this video and decided to give it a chance. Funny, a bit controversial but not disrespectful - 

... worked with my teens. >I hope you'll like it, I hope you'll enjoy it<

and here is how I used it in a short activity:

In their notebooks, ss wrote down the heading and the 3 sentences:

HOW TO SAY "I DON'T UNDERSTAND":

a) when you don’t understand the phrase or idiom –

b) when you don’t understand the sounds –

c) when you don’t understand why somebody said something –

While watching, they wrote down the phrases from the video and had fun.
That's basically it.

And the video...