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Les verbes: Contractions de to be et to have

Forme intero-negative <-> Forme progressive

I am -> I'm
I shall, will --> I'll
I should, would ->I'd
I have, had -->I've, I'd
He is -->He's
I shall not --> I shan't
I should not -->I shouldn'tI have not --> I haven't
They are not --> They aren't



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