Negative short forms
isn’t = is not
wasn’t = was not
aren’t = are not
weren’t = were not
don’t = do not
doesn’t = does not
didn’t = did not
haven’t = have not
hasn’t = has not
hadn’t = had not
can’t = cannot (written as one word)
couldn’t =could not
won’t = will not
wouldn’t = wouldn’t
mustn’t = must not
shouldn’t = should not
not used anymore:
shan’t = shall not
(although it may exist in some regions)
Semi-modals ‘dare’ (oser) and ‘need’ (avoir besoin) can also take negative short forms, but are less common today:
daren’t = dare not ‘I’d like to, but I daren’t ask him’
needn’t = need not ‘you needn’t take an umbrella, it’s not going to rain this afternoon’
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je suis très content des éclaircissements que cette leçon apporte, l’emploi des contractés: daren’t et needn’t a été de plus controversé dans ma classe d’anglais, je pourrais donc leur soumettre cet article!