Unit 21 body language
she tore up the letter
this material tears easily .
11-ing form can be used as subject,object,predicative and attributive
1) subject :in many countries ,shaking hands means “no” and nodding means “yes”
2 object: we can learn a lot about what a person is thinking by watching his or her body language
3)predicative:
a good way of saying i am full is rubbing stomach after a meal
4)attributive
a pair of walking sticks can help you walk if you are a disabled in feet