Conjugaison du verbe anglais
COULD CAVERN

Verbe régulier : cavern - caverned - caverned

Affirmation

Forme simple	Forme en V-ing
I could cavern you could cavern he could cavern we could cavern you could cavern they could cavern	I could be caverning you could be caverning he 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 he 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 he 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 couldn't cavern you couldn't cavern he couldn't cavern we couldn't cavern you couldn't cavern they couldn't cavern	I couldn't be caverning you couldn't be caverning he couldn't be caverning we couldn't be caverning you couldn't be caverning they couldn't be caverning
Perfect	Perfect en V-ing
I couldn't have caverned you couldn't have caverned he couldn't have caverned we couldn't have caverned you couldn't have caverned they couldn't have caverned	I couldn't have been caverning you couldn't have been caverning he couldn't have been caverning we couldn't have been caverning you couldn't have been caverning they couldn't have been caverning

Forme interrogative

Forme simple	Forme en V-ing
could I cavern? could you cavern? could he cavern? could we cavern? could you cavern? could they cavern?	could I be caverning? could you be caverning? could he 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 he 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 he 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
couldn't I cavern? couldn't you cavern? couldn't he cavern? couldn't we cavern? couldn't you cavern? couldn't they cavern?	couldn't I be caverning? couldn't you be caverning? couldn't he be caverning? couldn't we be caverning? couldn't you be caverning? couldn't they be caverning?
Perfect	Perfect en V-ing
couldn't I have caverned? couldn't you have caverned? couldn't he have caverned? couldn't we have caverned? couldn't you have caverned? couldn't they have caverned?	couldn't I have been caverning? couldn't you have been caverning? couldn't he have been caverning? couldn't we have been caverning? couldn't you have been caverning? couldn't they have been caverning?