Conjugaison du verbe anglais
COULD PREBOARD

Verbe régulier : preboard - preboarded - preboarded

Affirmation

Forme simple	Forme en V-ing
I could preboard you could preboard she could preboard we could preboard you could preboard they could preboard	I could be preboarding you could be preboarding she could be preboarding we could be preboarding you could be preboarding they could be preboarding
Perfect	Perfect en V-ing
I could have preboarded you could have preboarded she could have preboarded we could have preboarded you could have preboarded they could have preboarded	I could have been preboarding you could have been preboarding she could have been preboarding we could have been preboarding you could have been preboarding they could have been preboarding

Négation

Forme simple	Forme en V-ing
I couldn't preboard you couldn't preboard she couldn't preboard we couldn't preboard you couldn't preboard they couldn't preboard	I couldn't be preboarding you couldn't be preboarding she couldn't be preboarding we couldn't be preboarding you couldn't be preboarding they couldn't be preboarding
Perfect	Perfect en V-ing
I couldn't have preboarded you couldn't have preboarded she couldn't have preboarded we couldn't have preboarded you couldn't have preboarded they couldn't have preboarded	I couldn't have been preboarding you couldn't have been preboarding she couldn't have been preboarding we couldn't have been preboarding you couldn't have been preboarding they couldn't have been preboarding

Forme interrogative

Forme simple	Forme en V-ing
could I preboard? could you preboard? could she preboard? could we preboard? could you preboard? could they preboard?	could I be preboarding? could you be preboarding? could she be preboarding? could we be preboarding? could you be preboarding? could they be preboarding?
Perfect	Perfect en V-ing
could I have preboarded? could you have preboarded? could she have preboarded? could we have preboarded? could you have preboarded? could they have preboarded?	could I have been preboarding? could you have been preboarding? could she have been preboarding? could we have been preboarding? could you have been preboarding? could they have been preboarding?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I preboard? couldn't you preboard? couldn't she preboard? couldn't we preboard? couldn't you preboard? couldn't they preboard?	couldn't I be preboarding? couldn't you be preboarding? couldn't she be preboarding? couldn't we be preboarding? couldn't you be preboarding? couldn't they be preboarding?
Perfect	Perfect en V-ing
couldn't I have preboarded? couldn't you have preboarded? couldn't she have preboarded? couldn't we have preboarded? couldn't you have preboarded? couldn't they have preboarded?	couldn't I have been preboarding? couldn't you have been preboarding? couldn't she have been preboarding? couldn't we have been preboarding? couldn't you have been preboarding? couldn't they have been preboarding?