English verb conjugation
COULD HULL

Regular verb: hull - hulled - hulled

Affirmation

Simple form	V-ing form
I could hull you could hull he could hull we could hull you could hull they could hull	I could be hulling you could be hulling he could be hulling we could be hulling you could be hulling they could be hulling
Perfect	V-ing perfect
I could have hulled you could have hulled he could have hulled we could have hulled you could have hulled they could have hulled	I could have been hulling you could have been hulling he could have been hulling we could have been hulling you could have been hulling they could have been hulling

Negation

Simple form	V-ing form
I could not hull you could not hull he could not hull we could not hull you could not hull they could not hull	I could not be hulling you could not be hulling he could not be hulling we could not be hulling you could not be hulling they could not be hulling
Perfect	V-ing perfect
I could not have hulled you could not have hulled he could not have hulled we could not have hulled you could not have hulled they could not have hulled	I could not have been hulling you could not have been hulling he could not have been hulling we could not have been hulling you could not have been hulling they could not have been hulling

Interrogative form

Simple form	V-ing form
could I hull? could you hull? could he hull? could we hull? could you hull? could they hull?	could I be hulling? could you be hulling? could he be hulling? could we be hulling? could you be hulling? could they be hulling?
Perfect	V-ing perfect
could I have hulled? could you have hulled? could he have hulled? could we have hulled? could you have hulled? could they have hulled?	could I have been hulling? could you have been hulling? could he have been hulling? could we have been hulling? could you have been hulling? could they have been hulling?

Interro-negative form

Simple form	V-ing form
could I not hull? could you not hull? could he not hull? could we not hull? could you not hull? could they not hull?	could I not be hulling? could you not be hulling? could he not be hulling? could we not be hulling? could you not be hulling? could they not be hulling?
Perfect	V-ing perfect
could I not have hulled? could you not have hulled? could he not have hulled? could we not have hulled? could you not have hulled? could they not have hulled?	could I not have been hulling? could you not have been hulling? could he not have been hulling? could we not have been hulling? could you not have been hulling? could they not have been hulling?