I could interlard you could interlard he could interlard we could interlard you could interlard they could interlard
V-ing form
I could be interlarding you could be interlarding he could be interlarding we could be interlarding you could be interlarding they could be interlarding
Perfect
I could have interlarded you could have interlarded he could have interlarded we could have interlarded you could have interlarded they could have interlarded
V-ing perfect
I could have been interlarding you could have been interlarding he could have been interlarding we could have been interlarding you could have been interlarding they could have been interlarding
Negation
Simple form
I could not interlard you could not interlard he could not interlard we could not interlard you could not interlard they could not interlard
V-ing form
I could not be interlarding you could not be interlarding he could not be interlarding we could not be interlarding you could not be interlarding they could not be interlarding
Perfect
I could not have interlarded you could not have interlarded he could not have interlarded we could not have interlarded you could not have interlarded they could not have interlarded
V-ing perfect
I could not have been interlarding you could not have been interlarding he could not have been interlarding we could not have been interlarding you could not have been interlarding they could not have been interlarding
Interrogative form
Simple form
could I interlard? could you interlard? could he interlard? could we interlard? could you interlard? could they interlard?
V-ing form
could I be interlarding? could you be interlarding? could he be interlarding? could we be interlarding? could you be interlarding? could they be interlarding?
Perfect
could I have interlarded? could you have interlarded? could he have interlarded? could we have interlarded? could you have interlarded? could they have interlarded?
V-ing perfect
could I have been interlarding? could you have been interlarding? could he have been interlarding? could we have been interlarding? could you have been interlarding? could they have been interlarding?
Interro-negative form
Simple form
could I not interlard? could you not interlard? could he not interlard? could we not interlard? could you not interlard? could they not interlard?
V-ing form
could I not be interlarding? could you not be interlarding? could he not be interlarding? could we not be interlarding? could you not be interlarding? could they not be interlarding?
Perfect
could I not have interlarded? could you not have interlarded? could he not have interlarded? could we not have interlarded? could you not have interlarded? could they not have interlarded?
V-ing perfect
could I not have been interlarding? could you not have been interlarding? could he not have been interlarding? could we not have been interlarding? could you not have been interlarding? could they not have been interlarding?