Conjugaison du verbe anglais
COULD CAVERN

Verbe régulier : cavern - caverned - caverned

Affirmation

Forme simple	Forme en V-ing
I could cavern you could cavern she could cavern we could cavern you could cavern they could cavern	I could be caverning you could be caverning she could be caverning we could be caverning you could be caverning they could be caverning
Perfect	Perfect en V-ing
I could have caverned you could have caverned she could have caverned we could have caverned you could have caverned they could have caverned	I could have been caverning you could have been caverning she could have been caverning we could have been caverning you could have been caverning they could have been caverning

Négation

Forme simple	Forme en V-ing
I could not cavern you could not cavern she could not cavern we could not cavern you could not cavern they could not cavern	I could not be caverning you could not be caverning she could not be caverning we could not be caverning you could not be caverning they could not be caverning
Perfect	Perfect en V-ing
I could not have caverned you could not have caverned she could not have caverned we could not have caverned you could not have caverned they could not have caverned	I could not have been caverning you could not have been caverning she could not have been caverning we could not have been caverning you could not have been caverning they could not have been caverning

Forme interrogative

Forme simple	Forme en V-ing
could I cavern? could you cavern? could she cavern? could we cavern? could you cavern? could they cavern?	could I be caverning? could you be caverning? could she be caverning? could we be caverning? could you be caverning? could they be caverning?
Perfect	Perfect en V-ing
could I have caverned? could you have caverned? could she have caverned? could we have caverned? could you have caverned? could they have caverned?	could I have been caverning? could you have been caverning? could she have been caverning? could we have been caverning? could you have been caverning? could they have been caverning?

Forme interro-négative

Forme simple	Forme en V-ing
could I not cavern? could you not cavern? could she not cavern? could we not cavern? could you not cavern? could they not cavern?	could I not be caverning? could you not be caverning? could she not be caverning? could we not be caverning? could you not be caverning? could they not be caverning?
Perfect	Perfect en V-ing
could I not have caverned? could you not have caverned? could she not have caverned? could we not have caverned? could you not have caverned? could they not have caverned?	could I not have been caverning? could you not have been caverning? could she not have been caverning? could we not have been caverning? could you not have been caverning? could they not have been caverning?