La forme négative de will est will not ou won’t.
Celle de would est would not ou wouldn’t.
Valeurs du modal
Intention future
We’ll invite you to dinner
(Nous vous inviterons à dîner)
You will do as you’re told!
(Tu feras ce qu’on te dit !)
Forte certitude
(prédiction logique)
The phone is ringing, that will be your mother.
(Le téléphone sonne, cela doit être ta mère.)
How old is he now? – He’ll be about 40.
(Quel âge a-t-il maintenant ? – Il doit avoir à peu près 40 ans.)
Invitation, demande ou proposition
- Will you come to my party? (Veux-tu venir à ma fête ?)
- Will you marry me? (Veux-tu m’épouser ?)
Demande polie (requête)
(Plus formelle avec would)
- Will you open the window? (Veux-tu ouvrir la fenêtre ?)
- Would you open the window? (Voudriez-vous ouvrir la fenêtre ?)
Détermination - Volonté
- I will not stand for this! (Je ne le supporterai pas!)
- She won’t eat. (Elle ne veut pas manger.)
Sens fréquentatif – Habitude
(Avec would pour faire référence au passé)
He will (would) sit playing alone for hours.
(Il peut (pouvait) rester assis à jouer seul pendant des heures.)
(Avec would like uniquement)
She would like to read a good detective novel.
(Elle aimerait lire un bon roman policier.)

La différence entre WOULD et USED TO

Used to exprime à la fois la répétition de l’action et son caractère révolu. On insiste sur le contraste passé/présent.
I used to play football when I was young.
Je jouais au football quand j’étais jeune == > Contraste avec la situation présente. (Je ne joue plus au football.)

Would exprime la répétition d'une habitude dans le passé, mais sans insister sur le caractère révolu de ce passé.
I would go for a swim on Saturdays.
J’allais me baigner les Samedis. == > Habitude passée caractéristique.

Ces 2 formes ont en commun de décrire la répétition de faits passés mais elles ne sont pas systématiquement interchangeables.

Exemple type:

My grandfather used to read a lot. He would spend hours reading detective stories. (Autrefois, mon grand-père lisait beaucoup. Il pouvait passer des heures à lire des histoires policières.)


     Shall - Will
and will are both modal verbs primarily used to express the future tense.


     In informal English, the Simple Future is usually conjugated entirely with the auxiliary will,
particularly in American English.

     In more formal English, there is a rule which states that, as shown in the table below,
     ♦  the auxiliary shall should be used in the first person (I/we),
     ♦  and the auxiliary will should be used in the second person and third person (you, he/she/it, they):

  Singular Plural


   I shall       we shall


   you will      you will


   he, she, it will      they will

     However, shall currently tends to be falling out of use,
     but it continues to be used with I and we for offers and suggestions:

          * Shall I open the window?
           * Shall we dance?


     In informal English today, the conditional tense is usually conjugated entirely with would :
        - If I had enough money, I would buy a new car.

     Should is used:
        - to give advice :                    You should take regular exercise.
        - in hypothetical situations :   Should you need any help, just call me.
        - to give tentative opinions :    I should think the cost will be about £100.

Should is the conditional form of shall.
Would is the conditional form of will.
Mecheria 45100
General Revision for pupils
Lexis and rules

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