1
When you shake because you are frightened, you do it.
2
When you shake momentarily because you have seen, heard or eaten something unpleasant, you do it.
3
When you shake because you are cold, you do it.
4
Kids do it when they can't keep still.
5
You do it when you make a small sudden movement because something has hurt you (an injection, for instance) or something has made you jump.
6
You do it when you lower your body to the ground by bending your knees. When a football team is having its photograph taken, the players in the front do it.
7
You do it with your eyebrows when you are angry or you don't understand.
8
Some people do it when they pray.
9
You do it on the floor or on a big sofa, often whilst reading a book or watching television.
10
You do it with your elbow to get someone's attention.
11
you do it to avoid something that has been thrown at your head.
12
You do it with your head when you are agreeing with someone or when you are saying yes.
