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 could not preboard you could not preboard she could not preboard we could not preboard you could not preboard they could not preboard	I could not be preboarding you could not be preboarding she could not be preboarding we could not be preboarding you could not be preboarding they could not be preboarding
Perfect	Perfect en V-ing
I could not have preboarded you could not have preboarded she could not have preboarded we could not have preboarded you could not have preboarded they could not have preboarded	I could not have been preboarding you could not have been preboarding she could not have been preboarding we could not have been preboarding you could not have been preboarding they could not 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
could I not preboard? could you not preboard? could she not preboard? could we not preboard? could you not preboard? could they not preboard?	could I not be preboarding? could you not be preboarding? could she not be preboarding? could we not be preboarding? could you not be preboarding? could they not be preboarding?
Perfect	Perfect en V-ing
could I not have preboarded? could you not have preboarded? could she not have preboarded? could we not have preboarded? could you not have preboarded? could they not have preboarded?	could I not have been preboarding? could you not have been preboarding? could she not have been preboarding? could we not have been preboarding? could you not have been preboarding? could they not have been preboarding?