I could rope you could rope he could rope we could rope you could rope they could rope
V-ing form
I could be roping you could be roping he could be roping we could be roping you could be roping they could be roping
Perfect
I could have roped you could have roped he could have roped we could have roped you could have roped they could have roped
V-ing perfect
I could have been roping you could have been roping he could have been roping we could have been roping you could have been roping they could have been roping
Negation
Simple form
I couldn't rope you couldn't rope he couldn't rope we couldn't rope you couldn't rope they couldn't rope
V-ing form
I couldn't be roping you couldn't be roping he couldn't be roping we couldn't be roping you couldn't be roping they couldn't be roping
Perfect
I couldn't have roped you couldn't have roped he couldn't have roped we couldn't have roped you couldn't have roped they couldn't have roped
V-ing perfect
I couldn't have been roping you couldn't have been roping he couldn't have been roping we couldn't have been roping you couldn't have been roping they couldn't have been roping
Interrogative form
Simple form
could I rope? could you rope? could he rope? could we rope? could you rope? could they rope?
V-ing form
could I be roping? could you be roping? could he be roping? could we be roping? could you be roping? could they be roping?
Perfect
could I have roped? could you have roped? could he have roped? could we have roped? could you have roped? could they have roped?
V-ing perfect
could I have been roping? could you have been roping? could he have been roping? could we have been roping? could you have been roping? could they have been roping?
Interro-negative form
Simple form
couldn't I rope? couldn't you rope? couldn't he rope? couldn't we rope? couldn't you rope? couldn't they rope?
V-ing form
couldn't I be roping? couldn't you be roping? couldn't he be roping? couldn't we be roping? couldn't you be roping? couldn't they be roping?
Perfect
couldn't I have roped? couldn't you have roped? couldn't he have roped? couldn't we have roped? couldn't you have roped? couldn't they have roped?
V-ing perfect
couldn't I have been roping? couldn't you have been roping? couldn't he have been roping? couldn't we have been roping? couldn't you have been roping? couldn't they have been roping?