Le cours en un clin d'oeil

INVENT : I invented / I didn't invent / Did you invent ?
    Exception à la forme + pour les verbes irréguliers : He went / He didn't go / Did he go ?

BE : I was / I wasn't / Was I ?
   You were / you weren't / Were you ?

A quoi sert le prétérit simple ?

A parler de faits passés qu'on peut dater :

I visited Paris last year.	Bowie died in 2016.	I saw Christina two weeks ago.
J'ai visité Paris l'an dernier.	Bowie est mort en 2016.	J'ai vu Christina il y a deux semaines.

Comment se forme le prétérit simple ?

Verbes lexicaux réguliers :

Forme affirmative (+) On rajoute -ed à la fin du verbe.	Forme négative (-) Je rajoute "didn't" avant le verbe.	Forme interrogative (?) Il faut bien respecter l'ordre des mots : did - sujet - verbe
I played You imagined We believed They painted	I didn't play You didn't imagine We didn't believe They didn't paint	Did I play Did you imagine Did we believe Did they paint

Exception : de nombreux verbes courants sont irréguliers à la forme affirmative : il faut les mémoriser ! .

Forme affirmative (+)	Forme négative (-)	Forme interrogative (?)
He went I saw We thought They spent	He didn't go I didn't see We didn't think They didn't spend	Did he go ? Did I see ? Did we think Did they spend ?

Voir la liste des verbes irréguliers indispensables
L'auxiliaire BE :

Forme affirmative (+)	Forme négative (-) Je rajoute "not" après le verbe.	Forme interrogative (?) Ordre des mots : BE - sujet
I was You were He / She / It was We were You were They were	I was not You were not He / She / It was not We were not You were not They were not	Was I Were you Was he / she / it Were we Were you Were they

Formes contractées : pour aller plus vite, en particulier à l'oral, on ignore certaines lettres. Ce qui donne :
I was not -> I wasn't      You were not-> you weren't