English verb conjugation
COULD JUMP-ROPE

Regular verb: jump-rope - jump-roped - jump-roped

Affirmation

Simple form	V-ing form
I could jump-rope you could jump-rope he could jump-rope we could jump-rope you could jump-rope they could jump-rope	I could be jump-roping you could be jump-roping he could be jump-roping we could be jump-roping you could be jump-roping they could be jump-roping
Perfect	V-ing perfect
I could have jump-roped you could have jump-roped he could have jump-roped we could have jump-roped you could have jump-roped they could have jump-roped	I could have been jump-roping you could have been jump-roping he could have been jump-roping we could have been jump-roping you could have been jump-roping they could have been jump-roping

Negation

Simple form	V-ing form
I couldn't jump-rope you couldn't jump-rope he couldn't jump-rope we couldn't jump-rope you couldn't jump-rope they couldn't jump-rope	I couldn't be jump-roping you couldn't be jump-roping he couldn't be jump-roping we couldn't be jump-roping you couldn't be jump-roping they couldn't be jump-roping
Perfect	V-ing perfect
I couldn't have jump-roped you couldn't have jump-roped he couldn't have jump-roped we couldn't have jump-roped you couldn't have jump-roped they couldn't have jump-roped	I couldn't have been jump-roping you couldn't have been jump-roping he couldn't have been jump-roping we couldn't have been jump-roping you couldn't have been jump-roping they couldn't have been jump-roping

Interrogative form

Simple form	V-ing form
could I jump-rope? could you jump-rope? could he jump-rope? could we jump-rope? could you jump-rope? could they jump-rope?	could I be jump-roping? could you be jump-roping? could he be jump-roping? could we be jump-roping? could you be jump-roping? could they be jump-roping?
Perfect	V-ing perfect
could I have jump-roped? could you have jump-roped? could he have jump-roped? could we have jump-roped? could you have jump-roped? could they have jump-roped?	could I have been jump-roping? could you have been jump-roping? could he have been jump-roping? could we have been jump-roping? could you have been jump-roping? could they have been jump-roping?

Interro-negative form

Simple form	V-ing form
couldn't I jump-rope? couldn't you jump-rope? couldn't he jump-rope? couldn't we jump-rope? couldn't you jump-rope? couldn't they jump-rope?	couldn't I be jump-roping? couldn't you be jump-roping? couldn't he be jump-roping? couldn't we be jump-roping? couldn't you be jump-roping? couldn't they be jump-roping?
Perfect	V-ing perfect
couldn't I have jump-roped? couldn't you have jump-roped? couldn't he have jump-roped? couldn't we have jump-roped? couldn't you have jump-roped? couldn't they have jump-roped?	couldn't I have been jump-roping? couldn't you have been jump-roping? couldn't he have been jump-roping? couldn't we have been jump-roping? couldn't you have been jump-roping? couldn't they have been jump-roping?