English verb conjugation
COULD RATOON

Regular verb: ratoon - ratooned - ratooned

Affirmation

Simple form	V-ing form
I could ratoon you could ratoon he could ratoon we could ratoon you could ratoon they could ratoon	I could be ratooning you could be ratooning he could be ratooning we could be ratooning you could be ratooning they could be ratooning
Perfect	V-ing perfect
I could have ratooned you could have ratooned he could have ratooned we could have ratooned you could have ratooned they could have ratooned	I could have been ratooning you could have been ratooning he could have been ratooning we could have been ratooning you could have been ratooning they could have been ratooning

Negation

Simple form	V-ing form
I couldn't ratoon you couldn't ratoon he couldn't ratoon we couldn't ratoon you couldn't ratoon they couldn't ratoon	I couldn't be ratooning you couldn't be ratooning he couldn't be ratooning we couldn't be ratooning you couldn't be ratooning they couldn't be ratooning
Perfect	V-ing perfect
I couldn't have ratooned you couldn't have ratooned he couldn't have ratooned we couldn't have ratooned you couldn't have ratooned they couldn't have ratooned	I couldn't have been ratooning you couldn't have been ratooning he couldn't have been ratooning we couldn't have been ratooning you couldn't have been ratooning they couldn't have been ratooning

Interrogative form

Simple form	V-ing form
could I ratoon? could you ratoon? could he ratoon? could we ratoon? could you ratoon? could they ratoon?	could I be ratooning? could you be ratooning? could he be ratooning? could we be ratooning? could you be ratooning? could they be ratooning?
Perfect	V-ing perfect
could I have ratooned? could you have ratooned? could he have ratooned? could we have ratooned? could you have ratooned? could they have ratooned?	could I have been ratooning? could you have been ratooning? could he have been ratooning? could we have been ratooning? could you have been ratooning? could they have been ratooning?

Interro-negative form

Simple form	V-ing form
couldn't I ratoon? couldn't you ratoon? couldn't he ratoon? couldn't we ratoon? couldn't you ratoon? couldn't they ratoon?	couldn't I be ratooning? couldn't you be ratooning? couldn't he be ratooning? couldn't we be ratooning? couldn't you be ratooning? couldn't they be ratooning?
Perfect	V-ing perfect
couldn't I have ratooned? couldn't you have ratooned? couldn't he have ratooned? couldn't we have ratooned? couldn't you have ratooned? couldn't they have ratooned?	couldn't I have been ratooning? couldn't you have been ratooning? couldn't he have been ratooning? couldn't we have been ratooning? couldn't you have been ratooning? couldn't they have been ratooning?