English verb conjugation
COULD VIRILIZE

Regular verb: virilize - virilized - virilized

Affirmation

Simple form	V-ing form
I could virilize you could virilize he could virilize we could virilize you could virilize they could virilize	I could be virilizing you could be virilizing he could be virilizing we could be virilizing you could be virilizing they could be virilizing
Perfect	V-ing perfect
I could have virilized you could have virilized he could have virilized we could have virilized you could have virilized they could have virilized	I could have been virilizing you could have been virilizing he could have been virilizing we could have been virilizing you could have been virilizing they could have been virilizing

Negation

Simple form	V-ing form
I couldn't virilize you couldn't virilize he couldn't virilize we couldn't virilize you couldn't virilize they couldn't virilize	I couldn't be virilizing you couldn't be virilizing he couldn't be virilizing we couldn't be virilizing you couldn't be virilizing they couldn't be virilizing
Perfect	V-ing perfect
I couldn't have virilized you couldn't have virilized he couldn't have virilized we couldn't have virilized you couldn't have virilized they couldn't have virilized	I couldn't have been virilizing you couldn't have been virilizing he couldn't have been virilizing we couldn't have been virilizing you couldn't have been virilizing they couldn't have been virilizing

Interrogative form

Simple form	V-ing form
could I virilize? could you virilize? could he virilize? could we virilize? could you virilize? could they virilize?	could I be virilizing? could you be virilizing? could he be virilizing? could we be virilizing? could you be virilizing? could they be virilizing?
Perfect	V-ing perfect
could I have virilized? could you have virilized? could he have virilized? could we have virilized? could you have virilized? could they have virilized?	could I have been virilizing? could you have been virilizing? could he have been virilizing? could we have been virilizing? could you have been virilizing? could they have been virilizing?

Interro-negative form

Simple form	V-ing form
couldn't I virilize? couldn't you virilize? couldn't he virilize? couldn't we virilize? couldn't you virilize? couldn't they virilize?	couldn't I be virilizing? couldn't you be virilizing? couldn't he be virilizing? couldn't we be virilizing? couldn't you be virilizing? couldn't they be virilizing?
Perfect	V-ing perfect
couldn't I have virilized? couldn't you have virilized? couldn't he have virilized? couldn't we have virilized? couldn't you have virilized? couldn't they have virilized?	couldn't I have been virilizing? couldn't you have been virilizing? couldn't he have been virilizing? couldn't we have been virilizing? couldn't you have been virilizing? couldn't they have been virilizing?