I could companion you could companion she could companion we could companion you could companion they could companion
Forme en V-ing
I could be companioning you could be companioning she could be companioning we could be companioning you could be companioning they could be companioning
Perfect
I could have companioned you could have companioned she could have companioned we could have companioned you could have companioned they could have companioned
Perfect en V-ing
I could have been companioning you could have been companioning she could have been companioning we could have been companioning you could have been companioning they could have been companioning
Négation
Forme simple
I could not companion you could not companion she could not companion we could not companion you could not companion they could not companion
Forme en V-ing
I could not be companioning you could not be companioning she could not be companioning we could not be companioning you could not be companioning they could not be companioning
Perfect
I could not have companioned you could not have companioned she could not have companioned we could not have companioned you could not have companioned they could not have companioned
Perfect en V-ing
I could not have been companioning you could not have been companioning she could not have been companioning we could not have been companioning you could not have been companioning they could not have been companioning
Forme interrogative
Forme simple
could I companion? could you companion? could she companion? could we companion? could you companion? could they companion?
Forme en V-ing
could I be companioning? could you be companioning? could she be companioning? could we be companioning? could you be companioning? could they be companioning?
Perfect
could I have companioned? could you have companioned? could she have companioned? could we have companioned? could you have companioned? could they have companioned?
Perfect en V-ing
could I have been companioning? could you have been companioning? could she have been companioning? could we have been companioning? could you have been companioning? could they have been companioning?
Forme interro-négative
Forme simple
could I not companion? could you not companion? could she not companion? could we not companion? could you not companion? could they not companion?
Forme en V-ing
could I not be companioning? could you not be companioning? could she not be companioning? could we not be companioning? could you not be companioning? could they not be companioning?
Perfect
could I not have companioned? could you not have companioned? could she not have companioned? could we not have companioned? could you not have companioned? could they not have companioned?
Perfect en V-ing
could I not have been companioning? could you not have been companioning? could she not have been companioning? could we not have been companioning? could you not have been companioning? could they not have been companioning?