Conjugaison du verbe anglais
COULD REF

Verbe régulier : ref - refed - refed

Affirmation

Forme simple	Forme en V-ing
I could ref you could ref she could ref we could ref you could ref they could ref	I could be refing you could be refing she could be refing we could be refing you could be refing they could be refing
Perfect	Perfect en V-ing
I could have refed you could have refed she could have refed we could have refed you could have refed they could have refed	I could have been refing you could have been refing she could have been refing we could have been refing you could have been refing they could have been refing

Négation

Forme simple	Forme en V-ing
I couldn't ref you couldn't ref she couldn't ref we couldn't ref you couldn't ref they couldn't ref	I couldn't be refing you couldn't be refing she couldn't be refing we couldn't be refing you couldn't be refing they couldn't be refing
Perfect	Perfect en V-ing
I couldn't have refed you couldn't have refed she couldn't have refed we couldn't have refed you couldn't have refed they couldn't have refed	I couldn't have been refing you couldn't have been refing she couldn't have been refing we couldn't have been refing you couldn't have been refing they couldn't have been refing

Forme interrogative

Forme simple	Forme en V-ing
could I ref? could you ref? could she ref? could we ref? could you ref? could they ref?	could I be refing? could you be refing? could she be refing? could we be refing? could you be refing? could they be refing?
Perfect	Perfect en V-ing
could I have refed? could you have refed? could she have refed? could we have refed? could you have refed? could they have refed?	could I have been refing? could you have been refing? could she have been refing? could we have been refing? could you have been refing? could they have been refing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I ref? couldn't you ref? couldn't she ref? couldn't we ref? couldn't you ref? couldn't they ref?	couldn't I be refing? couldn't you be refing? couldn't she be refing? couldn't we be refing? couldn't you be refing? couldn't they be refing?
Perfect	Perfect en V-ing
couldn't I have refed? couldn't you have refed? couldn't she have refed? couldn't we have refed? couldn't you have refed? couldn't they have refed?	couldn't I have been refing? couldn't you have been refing? couldn't she have been refing? couldn't we have been refing? couldn't you have been refing? couldn't they have been refing?