B - Emploi
L'auxiliaire can a plusieurs sens. Il exprime :
· les perceptions involontaires et les opérations
de l'esprit. Il s'emploie devant les verbes :
to hear, to see, to feel, to understand...
Exemple :
Don't speak so loud. She can hear you.
I cannot (can't) understand why you're nervous.
· la faculté mentale et physique, la connaissance.
Can peut alors être remplacé par to know how to.
I can swim. = I know how to swim.
She can read. = She knows how to read.
Insusceptible