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