Unit 6

Vocabulary
Fashion: exercise 1, exercise 2, exercise 3
Grammar: Modal verbs.
Can / Can´t: exercise 1, exercise 2
Could/Couldn´t: exercise 1
Must/Mustn´t: exercise 1
Should/Shouldn´t: exercise 1, exercise 2, exercise 3
Permission and obligation: exercise 1
Permission, obligation and prohibition: exercise 1