I could moss you could moss he could moss we could moss you could moss they could moss
Forme en V-ing
I could be mossing you could be mossing he could be mossing we could be mossing you could be mossing they could be mossing
Perfect
I could have mossed you could have mossed he could have mossed we could have mossed you could have mossed they could have mossed
Perfect en V-ing
I could have been mossing you could have been mossing he could have been mossing we could have been mossing you could have been mossing they could have been mossing
Négation
Forme simple
I couldn't moss you couldn't moss he couldn't moss we couldn't moss you couldn't moss they couldn't moss
Forme en V-ing
I couldn't be mossing you couldn't be mossing he couldn't be mossing we couldn't be mossing you couldn't be mossing they couldn't be mossing
Perfect
I couldn't have mossed you couldn't have mossed he couldn't have mossed we couldn't have mossed you couldn't have mossed they couldn't have mossed
Perfect en V-ing
I couldn't have been mossing you couldn't have been mossing he couldn't have been mossing we couldn't have been mossing you couldn't have been mossing they couldn't have been mossing
Forme interrogative
Forme simple
could I moss? could you moss? could he moss? could we moss? could you moss? could they moss?
Forme en V-ing
could I be mossing? could you be mossing? could he be mossing? could we be mossing? could you be mossing? could they be mossing?
Perfect
could I have mossed? could you have mossed? could he have mossed? could we have mossed? could you have mossed? could they have mossed?
Perfect en V-ing
could I have been mossing? could you have been mossing? could he have been mossing? could we have been mossing? could you have been mossing? could they have been mossing?
Forme interro-négative
Forme simple
couldn't I moss? couldn't you moss? couldn't he moss? couldn't we moss? couldn't you moss? couldn't they moss?
Forme en V-ing
couldn't I be mossing? couldn't you be mossing? couldn't he be mossing? couldn't we be mossing? couldn't you be mossing? couldn't they be mossing?
Perfect
couldn't I have mossed? couldn't you have mossed? couldn't he have mossed? couldn't we have mossed? couldn't you have mossed? couldn't they have mossed?
Perfect en V-ing
couldn't I have been mossing? couldn't you have been mossing? couldn't he have been mossing? couldn't we have been mossing? couldn't you have been mossing? couldn't they have been mossing?