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