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 couldn't hull you couldn't hull he couldn't hull we couldn't hull you couldn't hull they couldn't hull	I couldn't be hulling you couldn't be hulling he couldn't be hulling we couldn't be hulling you couldn't be hulling they couldn't be hulling
Perfect	V-ing perfect
I couldn't have hulled you couldn't have hulled he couldn't have hulled we couldn't have hulled you couldn't have hulled they couldn't have hulled	I couldn't have been hulling you couldn't have been hulling he couldn't have been hulling we couldn't have been hulling you couldn't have been hulling they couldn't 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
couldn't I hull? couldn't you hull? couldn't he hull? couldn't we hull? couldn't you hull? couldn't they hull?	couldn't I be hulling? couldn't you be hulling? couldn't he be hulling? couldn't we be hulling? couldn't you be hulling? couldn't they be hulling?
Perfect	V-ing perfect
couldn't I have hulled? couldn't you have hulled? couldn't he have hulled? couldn't we have hulled? couldn't you have hulled? couldn't they have hulled?	couldn't I have been hulling? couldn't you have been hulling? couldn't he have been hulling? couldn't we have been hulling? couldn't you have been hulling? couldn't they have been hulling?