Collège · 3ᵉ · Anglais
Le conditionnel (would, could, should)
Conseiller, demander poliment & exprimer une possibilité en anglais (niveau 3e, A2 vers B1)
Savoir conseiller, demander poliment, suggérer et exprimer un souhait en anglais avec would, could et should.
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La règle de construction
- Modal + base verbale : jamais to, jamais -s, jamais -ing, même forme à toutes les personnes.
- Négation : modal + not → wouldn't, couldn't, shouldn't.
- Question : modal en tête → Would you…? Should I…? Jamais do / does.
- Réponse courte : Yes, I would. / No, she shouldn't.
- Contraction de would : 'd (I'd, she'd, they'd).
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Should = le conseil
- You should rest. — Tu devrais te reposer.
- You shouldn't lie. — Tu ne devrais pas mentir.
- Should I call him? / What should I do? — demander un conseil.
- Plus doux que must (obligation) ; ought to = synonyme formel, le seul suivi de to.
- Variante : If I were you, I would…
3
Would = politesse et souhait
- would like + nom / + to + BV : I'd like a ticket. I'd like to book.
- would love : I'd love a coffee.
- would rather + BV (+ than) : I'd rather walk than drive.
- Would you mind + V-ing : Would you mind waiting? Réponse positive : No, not at all.
- Would you help me? — demande qui insiste sur la bonne volonté.
- Hypothèse : If I had time, I would travel.
4
Could = possibilité et suggestion
- Possibilité : It could rain. (≈ might)
- Suggestion : We could take the bus.
- Demande polie : Could you repeat, please? / Could I borrow…?
- Autre sens : capacité passée — She could swim at five. (« pouvait »).
- Futur de can : will be able to.
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Échelle de politesse
Give me… (ordre) < I want… (direct) < Can you…? (neutre) < Could you…? / I'd like… (poli) < Would you mind + V-ing? (très poli).
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Pièges
She should to go→ She should go.Do you would like…?→ Would you like…?They don't should→ They shouldn't.I'd rather to stay→ I'd rather stay.Would you mind to wait→ Would you mind waiting?He would can→ He would be able to.
L'essentiel
- Conditionnel anglais = would / could / should + base verbale, sans to, sans -s, sans do.
- should = conseil (« devrais »), shouldn't = « ne devrais pas ».
- would = politesse et souhait : I'd like, I'd rather, Would you mind + V-ing.
- could = possibilité, suggestion, demande polie ; attention, could = aussi « pouvait ».
- Négation : modal + not (wouldn't, couldn't, shouldn't) ; question : modal en tête.
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