English verb conjugation
COULD SLENDERIZE

Regular verb: slenderize - slenderized - slenderized

Affirmation

Simple form	V-ing form
I could slenderize you could slenderize he could slenderize we could slenderize you could slenderize they could slenderize	I could be slenderizing you could be slenderizing he could be slenderizing we could be slenderizing you could be slenderizing they could be slenderizing
Perfect	V-ing perfect
I could have slenderized you could have slenderized he could have slenderized we could have slenderized you could have slenderized they could have slenderized	I could have been slenderizing you could have been slenderizing he could have been slenderizing we could have been slenderizing you could have been slenderizing they could have been slenderizing

Negation

Simple form	V-ing form
I couldn't slenderize you couldn't slenderize he couldn't slenderize we couldn't slenderize you couldn't slenderize they couldn't slenderize	I couldn't be slenderizing you couldn't be slenderizing he couldn't be slenderizing we couldn't be slenderizing you couldn't be slenderizing they couldn't be slenderizing
Perfect	V-ing perfect
I couldn't have slenderized you couldn't have slenderized he couldn't have slenderized we couldn't have slenderized you couldn't have slenderized they couldn't have slenderized	I couldn't have been slenderizing you couldn't have been slenderizing he couldn't have been slenderizing we couldn't have been slenderizing you couldn't have been slenderizing they couldn't have been slenderizing

Interrogative form

Simple form	V-ing form
could I slenderize? could you slenderize? could he slenderize? could we slenderize? could you slenderize? could they slenderize?	could I be slenderizing? could you be slenderizing? could he be slenderizing? could we be slenderizing? could you be slenderizing? could they be slenderizing?
Perfect	V-ing perfect
could I have slenderized? could you have slenderized? could he have slenderized? could we have slenderized? could you have slenderized? could they have slenderized?	could I have been slenderizing? could you have been slenderizing? could he have been slenderizing? could we have been slenderizing? could you have been slenderizing? could they have been slenderizing?

Interro-negative form

Simple form	V-ing form
couldn't I slenderize? couldn't you slenderize? couldn't he slenderize? couldn't we slenderize? couldn't you slenderize? couldn't they slenderize?	couldn't I be slenderizing? couldn't you be slenderizing? couldn't he be slenderizing? couldn't we be slenderizing? couldn't you be slenderizing? couldn't they be slenderizing?
Perfect	V-ing perfect
couldn't I have slenderized? couldn't you have slenderized? couldn't he have slenderized? couldn't we have slenderized? couldn't you have slenderized? couldn't they have slenderized?	couldn't I have been slenderizing? couldn't you have been slenderizing? couldn't he have been slenderizing? couldn't we have been slenderizing? couldn't you have been slenderizing? couldn't they have been slenderizing?