I could reason you could reason she could reason we could reason you could reason they could reason
Forme en V-ing
I could be reasoning you could be reasoning she could be reasoning we could be reasoning you could be reasoning they could be reasoning
Perfect
I could have reasoned you could have reasoned she could have reasoned we could have reasoned you could have reasoned they could have reasoned
Perfect en V-ing
I could have been reasoning you could have been reasoning she could have been reasoning we could have been reasoning you could have been reasoning they could have been reasoning
Négation
Forme simple
I couldn't reason you couldn't reason she couldn't reason we couldn't reason you couldn't reason they couldn't reason
Forme en V-ing
I couldn't be reasoning you couldn't be reasoning she couldn't be reasoning we couldn't be reasoning you couldn't be reasoning they couldn't be reasoning
Perfect
I couldn't have reasoned you couldn't have reasoned she couldn't have reasoned we couldn't have reasoned you couldn't have reasoned they couldn't have reasoned
Perfect en V-ing
I couldn't have been reasoning you couldn't have been reasoning she couldn't have been reasoning we couldn't have been reasoning you couldn't have been reasoning they couldn't have been reasoning
Forme interrogative
Forme simple
could I reason? could you reason? could she reason? could we reason? could you reason? could they reason?
Forme en V-ing
could I be reasoning? could you be reasoning? could she be reasoning? could we be reasoning? could you be reasoning? could they be reasoning?
Perfect
could I have reasoned? could you have reasoned? could she have reasoned? could we have reasoned? could you have reasoned? could they have reasoned?
Perfect en V-ing
could I have been reasoning? could you have been reasoning? could she have been reasoning? could we have been reasoning? could you have been reasoning? could they have been reasoning?
Forme interro-négative
Forme simple
couldn't I reason? couldn't you reason? couldn't she reason? couldn't we reason? couldn't you reason? couldn't they reason?
Forme en V-ing
couldn't I be reasoning? couldn't you be reasoning? couldn't she be reasoning? couldn't we be reasoning? couldn't you be reasoning? couldn't they be reasoning?
Perfect
couldn't I have reasoned? couldn't you have reasoned? couldn't she have reasoned? couldn't we have reasoned? couldn't you have reasoned? couldn't they have reasoned?
Perfect en V-ing
couldn't I have been reasoning? couldn't you have been reasoning? couldn't she have been reasoning? couldn't we have been reasoning? couldn't you have been reasoning? couldn't they have been reasoning?