I could transpose you could transpose he could transpose we could transpose you could transpose they could transpose
V-ing form
I could be transposing you could be transposing he could be transposing we could be transposing you could be transposing they could be transposing
Perfect
I could have transposed you could have transposed he could have transposed we could have transposed you could have transposed they could have transposed
V-ing perfect
I could have been transposing you could have been transposing he could have been transposing we could have been transposing you could have been transposing they could have been transposing
Negation
Simple form
I could not transpose you could not transpose he could not transpose we could not transpose you could not transpose they could not transpose
V-ing form
I could not be transposing you could not be transposing he could not be transposing we could not be transposing you could not be transposing they could not be transposing
Perfect
I could not have transposed you could not have transposed he could not have transposed we could not have transposed you could not have transposed they could not have transposed
V-ing perfect
I could not have been transposing you could not have been transposing he could not have been transposing we could not have been transposing you could not have been transposing they could not have been transposing
Interrogative form
Simple form
could I transpose? could you transpose? could he transpose? could we transpose? could you transpose? could they transpose?
V-ing form
could I be transposing? could you be transposing? could he be transposing? could we be transposing? could you be transposing? could they be transposing?
Perfect
could I have transposed? could you have transposed? could he have transposed? could we have transposed? could you have transposed? could they have transposed?
V-ing perfect
could I have been transposing? could you have been transposing? could he have been transposing? could we have been transposing? could you have been transposing? could they have been transposing?
Interro-negative form
Simple form
could I not transpose? could you not transpose? could he not transpose? could we not transpose? could you not transpose? could they not transpose?
V-ing form
could I not be transposing? could you not be transposing? could he not be transposing? could we not be transposing? could you not be transposing? could they not be transposing?
Perfect
could I not have transposed? could you not have transposed? could he not have transposed? could we not have transposed? could you not have transposed? could they not have transposed?
V-ing perfect
could I not have been transposing? could you not have been transposing? could he not have been transposing? could we not have been transposing? could you not have been transposing? could they not have been transposing?