English verb conjugation
COULD MOUSETRAP

Regular verb: mousetrap - mousetraped - mousetraped

Affirmation

Simple form	V-ing form
I could mousetrap you could mousetrap he could mousetrap we could mousetrap you could mousetrap they could mousetrap	I could be mousetraping you could be mousetraping he could be mousetraping we could be mousetraping you could be mousetraping they could be mousetraping
Perfect	V-ing perfect
I could have mousetraped you could have mousetraped he could have mousetraped we could have mousetraped you could have mousetraped they could have mousetraped	I could have been mousetraping you could have been mousetraping he could have been mousetraping we could have been mousetraping you could have been mousetraping they could have been mousetraping

Negation

Simple form	V-ing form
I couldn't mousetrap you couldn't mousetrap he couldn't mousetrap we couldn't mousetrap you couldn't mousetrap they couldn't mousetrap	I couldn't be mousetraping you couldn't be mousetraping he couldn't be mousetraping we couldn't be mousetraping you couldn't be mousetraping they couldn't be mousetraping
Perfect	V-ing perfect
I couldn't have mousetraped you couldn't have mousetraped he couldn't have mousetraped we couldn't have mousetraped you couldn't have mousetraped they couldn't have mousetraped	I couldn't have been mousetraping you couldn't have been mousetraping he couldn't have been mousetraping we couldn't have been mousetraping you couldn't have been mousetraping they couldn't have been mousetraping

Interrogative form

Simple form	V-ing form
could I mousetrap? could you mousetrap? could he mousetrap? could we mousetrap? could you mousetrap? could they mousetrap?	could I be mousetraping? could you be mousetraping? could he be mousetraping? could we be mousetraping? could you be mousetraping? could they be mousetraping?
Perfect	V-ing perfect
could I have mousetraped? could you have mousetraped? could he have mousetraped? could we have mousetraped? could you have mousetraped? could they have mousetraped?	could I have been mousetraping? could you have been mousetraping? could he have been mousetraping? could we have been mousetraping? could you have been mousetraping? could they have been mousetraping?

Interro-negative form

Simple form	V-ing form
couldn't I mousetrap? couldn't you mousetrap? couldn't he mousetrap? couldn't we mousetrap? couldn't you mousetrap? couldn't they mousetrap?	couldn't I be mousetraping? couldn't you be mousetraping? couldn't he be mousetraping? couldn't we be mousetraping? couldn't you be mousetraping? couldn't they be mousetraping?
Perfect	V-ing perfect
couldn't I have mousetraped? couldn't you have mousetraped? couldn't he have mousetraped? couldn't we have mousetraped? couldn't you have mousetraped? couldn't they have mousetraped?	couldn't I have been mousetraping? couldn't you have been mousetraping? couldn't he have been mousetraping? couldn't we have been mousetraping? couldn't you have been mousetraping? couldn't they have been mousetraping?