English verb conjugation
COULD THRALL

Regular verb: thrall - thralled - thralled

Affirmation

Simple form	V-ing form
I could thrall you could thrall he could thrall we could thrall you could thrall they could thrall	I could be thralling you could be thralling he could be thralling we could be thralling you could be thralling they could be thralling
Perfect	V-ing perfect
I could have thralled you could have thralled he could have thralled we could have thralled you could have thralled they could have thralled	I could have been thralling you could have been thralling he could have been thralling we could have been thralling you could have been thralling they could have been thralling

Negation

Simple form	V-ing form
I could not thrall you could not thrall he could not thrall we could not thrall you could not thrall they could not thrall	I could not be thralling you could not be thralling he could not be thralling we could not be thralling you could not be thralling they could not be thralling
Perfect	V-ing perfect
I could not have thralled you could not have thralled he could not have thralled we could not have thralled you could not have thralled they could not have thralled	I could not have been thralling you could not have been thralling he could not have been thralling we could not have been thralling you could not have been thralling they could not have been thralling

Interrogative form

Simple form	V-ing form
could I thrall? could you thrall? could he thrall? could we thrall? could you thrall? could they thrall?	could I be thralling? could you be thralling? could he be thralling? could we be thralling? could you be thralling? could they be thralling?
Perfect	V-ing perfect
could I have thralled? could you have thralled? could he have thralled? could we have thralled? could you have thralled? could they have thralled?	could I have been thralling? could you have been thralling? could he have been thralling? could we have been thralling? could you have been thralling? could they have been thralling?

Interro-negative form

Simple form	V-ing form
could I not thrall? could you not thrall? could he not thrall? could we not thrall? could you not thrall? could they not thrall?	could I not be thralling? could you not be thralling? could he not be thralling? could we not be thralling? could you not be thralling? could they not be thralling?
Perfect	V-ing perfect
could I not have thralled? could you not have thralled? could he not have thralled? could we not have thralled? could you not have thralled? could they not have thralled?	could I not have been thralling? could you not have been thralling? could he not have been thralling? could we not have been thralling? could you not have been thralling? could they not have been thralling?