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