English verb conjugation
COULD THRONE

Regular verb: throne - throned - throned

Affirmation

Simple form	V-ing form
I could throne you could throne he could throne we could throne you could throne they could throne	I could be throning you could be throning he could be throning we could be throning you could be throning they could be throning
Perfect	V-ing perfect
I could have throned you could have throned he could have throned we could have throned you could have throned they could have throned	I could have been throning you could have been throning he could have been throning we could have been throning you could have been throning they could have been throning

Negation

Simple form	V-ing form
I couldn't throne you couldn't throne he couldn't throne we couldn't throne you couldn't throne they couldn't throne	I couldn't be throning you couldn't be throning he couldn't be throning we couldn't be throning you couldn't be throning they couldn't be throning
Perfect	V-ing perfect
I couldn't have throned you couldn't have throned he couldn't have throned we couldn't have throned you couldn't have throned they couldn't have throned	I couldn't have been throning you couldn't have been throning he couldn't have been throning we couldn't have been throning you couldn't have been throning they couldn't have been throning

Interrogative form

Simple form	V-ing form
could I throne? could you throne? could he throne? could we throne? could you throne? could they throne?	could I be throning? could you be throning? could he be throning? could we be throning? could you be throning? could they be throning?
Perfect	V-ing perfect
could I have throned? could you have throned? could he have throned? could we have throned? could you have throned? could they have throned?	could I have been throning? could you have been throning? could he have been throning? could we have been throning? could you have been throning? could they have been throning?

Interro-negative form

Simple form	V-ing form
couldn't I throne? couldn't you throne? couldn't he throne? couldn't we throne? couldn't you throne? couldn't they throne?	couldn't I be throning? couldn't you be throning? couldn't he be throning? couldn't we be throning? couldn't you be throning? couldn't they be throning?
Perfect	V-ing perfect
couldn't I have throned? couldn't you have throned? couldn't he have throned? couldn't we have throned? couldn't you have throned? couldn't they have throned?	couldn't I have been throning? couldn't you have been throning? couldn't he have been throning? couldn't we have been throning? couldn't you have been throning? couldn't they have been throning?