English verb conjugation
COULD TRANSPOSE

Regular verb: transpose - transposed - transposed

Affirmation

Simple form	V-ing form
I could transpose you could transpose he could transpose we could transpose you could transpose they could transpose	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	V-ing 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	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	V-ing form
I couldn't transpose you couldn't transpose he couldn't transpose we couldn't transpose you couldn't transpose they couldn't transpose	I couldn't be transposing you couldn't be transposing he couldn't be transposing we couldn't be transposing you couldn't be transposing they couldn't be transposing
Perfect	V-ing perfect
I couldn't have transposed you couldn't have transposed he couldn't have transposed we couldn't have transposed you couldn't have transposed they couldn't have transposed	I couldn't have been transposing you couldn't have been transposing he couldn't have been transposing we couldn't have been transposing you couldn't have been transposing they couldn't have been transposing

Interrogative form

Simple form	V-ing form
could I transpose? could you transpose? could he transpose? could we transpose? could you transpose? could they transpose?	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	V-ing 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?	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	V-ing form
couldn't I transpose? couldn't you transpose? couldn't he transpose? couldn't we transpose? couldn't you transpose? couldn't they transpose?	couldn't I be transposing? couldn't you be transposing? couldn't he be transposing? couldn't we be transposing? couldn't you be transposing? couldn't they be transposing?
Perfect	V-ing perfect
couldn't I have transposed? couldn't you have transposed? couldn't he have transposed? couldn't we have transposed? couldn't you have transposed? couldn't they have transposed?	couldn't I have been transposing? couldn't you have been transposing? couldn't he have been transposing? couldn't we have been transposing? couldn't you have been transposing? couldn't they have been transposing?