English verb conjugation
COULD STOPE

Regular verb: stope - stoped - stoped

Affirmation

Simple form	V-ing form
I could stope you could stope he could stope we could stope you could stope they could stope	I could be stoping you could be stoping he could be stoping we could be stoping you could be stoping they could be stoping
Perfect	V-ing perfect
I could have stoped you could have stoped he could have stoped we could have stoped you could have stoped they could have stoped	I could have been stoping you could have been stoping he could have been stoping we could have been stoping you could have been stoping they could have been stoping

Negation

Simple form	V-ing form
I couldn't stope you couldn't stope he couldn't stope we couldn't stope you couldn't stope they couldn't stope	I couldn't be stoping you couldn't be stoping he couldn't be stoping we couldn't be stoping you couldn't be stoping they couldn't be stoping
Perfect	V-ing perfect
I couldn't have stoped you couldn't have stoped he couldn't have stoped we couldn't have stoped you couldn't have stoped they couldn't have stoped	I couldn't have been stoping you couldn't have been stoping he couldn't have been stoping we couldn't have been stoping you couldn't have been stoping they couldn't have been stoping

Interrogative form

Simple form	V-ing form
could I stope? could you stope? could he stope? could we stope? could you stope? could they stope?	could I be stoping? could you be stoping? could he be stoping? could we be stoping? could you be stoping? could they be stoping?
Perfect	V-ing perfect
could I have stoped? could you have stoped? could he have stoped? could we have stoped? could you have stoped? could they have stoped?	could I have been stoping? could you have been stoping? could he have been stoping? could we have been stoping? could you have been stoping? could they have been stoping?

Interro-negative form

Simple form	V-ing form
couldn't I stope? couldn't you stope? couldn't he stope? couldn't we stope? couldn't you stope? couldn't they stope?	couldn't I be stoping? couldn't you be stoping? couldn't he be stoping? couldn't we be stoping? couldn't you be stoping? couldn't they be stoping?
Perfect	V-ing perfect
couldn't I have stoped? couldn't you have stoped? couldn't he have stoped? couldn't we have stoped? couldn't you have stoped? couldn't they have stoped?	couldn't I have been stoping? couldn't you have been stoping? couldn't he have been stoping? couldn't we have been stoping? couldn't you have been stoping? couldn't they have been stoping?