I could barhop you could barhop she could barhop we could barhop you could barhop they could barhop
V-ing form
I could be barhoping you could be barhoping she could be barhoping we could be barhoping you could be barhoping they could be barhoping
Perfect
I could have barhoped you could have barhoped she could have barhoped we could have barhoped you could have barhoped they could have barhoped
V-ing perfect
I could have been barhoping you could have been barhoping she could have been barhoping we could have been barhoping you could have been barhoping they could have been barhoping
Negation
Simple form
I could not barhop you could not barhop she could not barhop we could not barhop you could not barhop they could not barhop
V-ing form
I could not be barhoping you could not be barhoping she could not be barhoping we could not be barhoping you could not be barhoping they could not be barhoping
Perfect
I could not have barhoped you could not have barhoped she could not have barhoped we could not have barhoped you could not have barhoped they could not have barhoped
V-ing perfect
I could not have been barhoping you could not have been barhoping she could not have been barhoping we could not have been barhoping you could not have been barhoping they could not have been barhoping
Interrogative form
Simple form
could I barhop? could you barhop? could she barhop? could we barhop? could you barhop? could they barhop?
V-ing form
could I be barhoping? could you be barhoping? could she be barhoping? could we be barhoping? could you be barhoping? could they be barhoping?
Perfect
could I have barhoped? could you have barhoped? could she have barhoped? could we have barhoped? could you have barhoped? could they have barhoped?
V-ing perfect
could I have been barhoping? could you have been barhoping? could she have been barhoping? could we have been barhoping? could you have been barhoping? could they have been barhoping?
Interro-negative form
Simple form
could I not barhop? could you not barhop? could she not barhop? could we not barhop? could you not barhop? could they not barhop?
V-ing form
could I not be barhoping? could you not be barhoping? could she not be barhoping? could we not be barhoping? could you not be barhoping? could they not be barhoping?
Perfect
could I not have barhoped? could you not have barhoped? could she not have barhoped? could we not have barhoped? could you not have barhoped? could they not have barhoped?
V-ing perfect
could I not have been barhoping? could you not have been barhoping? could she not have been barhoping? could we not have been barhoping? could you not have been barhoping? could they not have been barhoping?