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