Conjugaison du verbe anglais
COULD HAVEN

Verbe régulier : haven - havened - havened

Affirmation

Forme simple	Forme en V-ing
I could haven you could haven she could haven we could haven you could haven they could haven	I could be havening you could be havening she could be havening we could be havening you could be havening they could be havening
Perfect	Perfect en V-ing
I could have havened you could have havened she could have havened we could have havened you could have havened they could have havened	I could have been havening you could have been havening she could have been havening we could have been havening you could have been havening they could have been havening

Négation

Forme simple	Forme en V-ing
I could not haven you could not haven she could not haven we could not haven you could not haven they could not haven	I could not be havening you could not be havening she could not be havening we could not be havening you could not be havening they could not be havening
Perfect	Perfect en V-ing
I could not have havened you could not have havened she could not have havened we could not have havened you could not have havened they could not have havened	I could not have been havening you could not have been havening she could not have been havening we could not have been havening you could not have been havening they could not have been havening

Forme interrogative

Forme simple	Forme en V-ing
could I haven? could you haven? could she haven? could we haven? could you haven? could they haven?	could I be havening? could you be havening? could she be havening? could we be havening? could you be havening? could they be havening?
Perfect	Perfect en V-ing
could I have havened? could you have havened? could she have havened? could we have havened? could you have havened? could they have havened?	could I have been havening? could you have been havening? could she have been havening? could we have been havening? could you have been havening? could they have been havening?

Forme interro-négative

Forme simple	Forme en V-ing
could I not haven? could you not haven? could she not haven? could we not haven? could you not haven? could they not haven?	could I not be havening? could you not be havening? could she not be havening? could we not be havening? could you not be havening? could they not be havening?
Perfect	Perfect en V-ing
could I not have havened? could you not have havened? could she not have havened? could we not have havened? could you not have havened? could they not have havened?	could I not have been havening? could you not have been havening? could she not have been havening? could we not have been havening? could you not have been havening? could they not have been havening?