L'élément NOT ( ou<N'T>
sous sa forme contractée) s'accroche à un auxiliaire (DO, BE, HAVE,
auxiliaire modal); il se place entre l'auxiliaire DO ou modal et la base
verbale:
He is in the library -----> he isn't in the library
They know the answer -----> they don't know the answer
I have got a sister -----> I haven't got a sister / I don't have a sister
We can speak English -----> We cannot / can't speak English
You should chat with her -----> You shouldn't chat with her
She must go there -----> She mustn't go there
Certains adverbes ont un sens négatif. C'est le cas de NEVER ( = N-ever):