English verb conjugation
COULD CLONE

Regular verb: clone - cloned - cloned

Affirmation

Simple form	V-ing form
I could clone you could clone he could clone we could clone you could clone they could clone	I could be cloning you could be cloning he could be cloning we could be cloning you could be cloning they could be cloning
Perfect	V-ing perfect
I could have cloned you could have cloned he could have cloned we could have cloned you could have cloned they could have cloned	I could have been cloning you could have been cloning he could have been cloning we could have been cloning you could have been cloning they could have been cloning

Negation

Simple form	V-ing form
I couldn't clone you couldn't clone he couldn't clone we couldn't clone you couldn't clone they couldn't clone	I couldn't be cloning you couldn't be cloning he couldn't be cloning we couldn't be cloning you couldn't be cloning they couldn't be cloning
Perfect	V-ing perfect
I couldn't have cloned you couldn't have cloned he couldn't have cloned we couldn't have cloned you couldn't have cloned they couldn't have cloned	I couldn't have been cloning you couldn't have been cloning he couldn't have been cloning we couldn't have been cloning you couldn't have been cloning they couldn't have been cloning

Interrogative form

Simple form	V-ing form
could I clone? could you clone? could he clone? could we clone? could you clone? could they clone?	could I be cloning? could you be cloning? could he be cloning? could we be cloning? could you be cloning? could they be cloning?
Perfect	V-ing perfect
could I have cloned? could you have cloned? could he have cloned? could we have cloned? could you have cloned? could they have cloned?	could I have been cloning? could you have been cloning? could he have been cloning? could we have been cloning? could you have been cloning? could they have been cloning?

Interro-negative form

Simple form	V-ing form
couldn't I clone? couldn't you clone? couldn't he clone? couldn't we clone? couldn't you clone? couldn't they clone?	couldn't I be cloning? couldn't you be cloning? couldn't he be cloning? couldn't we be cloning? couldn't you be cloning? couldn't they be cloning?
Perfect	V-ing perfect
couldn't I have cloned? couldn't you have cloned? couldn't he have cloned? couldn't we have cloned? couldn't you have cloned? couldn't they have cloned?	couldn't I have been cloning? couldn't you have been cloning? couldn't he have been cloning? couldn't we have been cloning? couldn't you have been cloning? couldn't they have been cloning?