English verb conjugation
COULD VULGARIZE

Regular verb: vulgarize - vulgarized - vulgarized

Affirmation

Simple form	V-ing form
I could vulgarize you could vulgarize he could vulgarize we could vulgarize you could vulgarize they could vulgarize	I could be vulgarizing you could be vulgarizing he could be vulgarizing we could be vulgarizing you could be vulgarizing they could be vulgarizing
Perfect	V-ing perfect
I could have vulgarized you could have vulgarized he could have vulgarized we could have vulgarized you could have vulgarized they could have vulgarized	I could have been vulgarizing you could have been vulgarizing he could have been vulgarizing we could have been vulgarizing you could have been vulgarizing they could have been vulgarizing

Negation

Simple form	V-ing form
I couldn't vulgarize you couldn't vulgarize he couldn't vulgarize we couldn't vulgarize you couldn't vulgarize they couldn't vulgarize	I couldn't be vulgarizing you couldn't be vulgarizing he couldn't be vulgarizing we couldn't be vulgarizing you couldn't be vulgarizing they couldn't be vulgarizing
Perfect	V-ing perfect
I couldn't have vulgarized you couldn't have vulgarized he couldn't have vulgarized we couldn't have vulgarized you couldn't have vulgarized they couldn't have vulgarized	I couldn't have been vulgarizing you couldn't have been vulgarizing he couldn't have been vulgarizing we couldn't have been vulgarizing you couldn't have been vulgarizing they couldn't have been vulgarizing

Interrogative form

Simple form	V-ing form
could I vulgarize? could you vulgarize? could he vulgarize? could we vulgarize? could you vulgarize? could they vulgarize?	could I be vulgarizing? could you be vulgarizing? could he be vulgarizing? could we be vulgarizing? could you be vulgarizing? could they be vulgarizing?
Perfect	V-ing perfect
could I have vulgarized? could you have vulgarized? could he have vulgarized? could we have vulgarized? could you have vulgarized? could they have vulgarized?	could I have been vulgarizing? could you have been vulgarizing? could he have been vulgarizing? could we have been vulgarizing? could you have been vulgarizing? could they have been vulgarizing?

Interro-negative form

Simple form	V-ing form
couldn't I vulgarize? couldn't you vulgarize? couldn't he vulgarize? couldn't we vulgarize? couldn't you vulgarize? couldn't they vulgarize?	couldn't I be vulgarizing? couldn't you be vulgarizing? couldn't he be vulgarizing? couldn't we be vulgarizing? couldn't you be vulgarizing? couldn't they be vulgarizing?
Perfect	V-ing perfect
couldn't I have vulgarized? couldn't you have vulgarized? couldn't he have vulgarized? couldn't we have vulgarized? couldn't you have vulgarized? couldn't they have vulgarized?	couldn't I have been vulgarizing? couldn't you have been vulgarizing? couldn't he have been vulgarizing? couldn't we have been vulgarizing? couldn't you have been vulgarizing? couldn't they have been vulgarizing?