English verb conjugation
COULD VENTRILOQUIZE

Regular verb: ventriloquize - ventriloquized - ventriloquized

Affirmation

Simple form	V-ing form
I could ventriloquize you could ventriloquize he could ventriloquize we could ventriloquize you could ventriloquize they could ventriloquize	I could be ventriloquizing you could be ventriloquizing he could be ventriloquizing we could be ventriloquizing you could be ventriloquizing they could be ventriloquizing
Perfect	V-ing perfect
I could have ventriloquized you could have ventriloquized he could have ventriloquized we could have ventriloquized you could have ventriloquized they could have ventriloquized	I could have been ventriloquizing you could have been ventriloquizing he could have been ventriloquizing we could have been ventriloquizing you could have been ventriloquizing they could have been ventriloquizing

Negation

Simple form	V-ing form
I couldn't ventriloquize you couldn't ventriloquize he couldn't ventriloquize we couldn't ventriloquize you couldn't ventriloquize they couldn't ventriloquize	I couldn't be ventriloquizing you couldn't be ventriloquizing he couldn't be ventriloquizing we couldn't be ventriloquizing you couldn't be ventriloquizing they couldn't be ventriloquizing
Perfect	V-ing perfect
I couldn't have ventriloquized you couldn't have ventriloquized he couldn't have ventriloquized we couldn't have ventriloquized you couldn't have ventriloquized they couldn't have ventriloquized	I couldn't have been ventriloquizing you couldn't have been ventriloquizing he couldn't have been ventriloquizing we couldn't have been ventriloquizing you couldn't have been ventriloquizing they couldn't have been ventriloquizing

Interrogative form

Simple form	V-ing form
could I ventriloquize? could you ventriloquize? could he ventriloquize? could we ventriloquize? could you ventriloquize? could they ventriloquize?	could I be ventriloquizing? could you be ventriloquizing? could he be ventriloquizing? could we be ventriloquizing? could you be ventriloquizing? could they be ventriloquizing?
Perfect	V-ing perfect
could I have ventriloquized? could you have ventriloquized? could he have ventriloquized? could we have ventriloquized? could you have ventriloquized? could they have ventriloquized?	could I have been ventriloquizing? could you have been ventriloquizing? could he have been ventriloquizing? could we have been ventriloquizing? could you have been ventriloquizing? could they have been ventriloquizing?

Interro-negative form

Simple form	V-ing form
couldn't I ventriloquize? couldn't you ventriloquize? couldn't he ventriloquize? couldn't we ventriloquize? couldn't you ventriloquize? couldn't they ventriloquize?	couldn't I be ventriloquizing? couldn't you be ventriloquizing? couldn't he be ventriloquizing? couldn't we be ventriloquizing? couldn't you be ventriloquizing? couldn't they be ventriloquizing?
Perfect	V-ing perfect
couldn't I have ventriloquized? couldn't you have ventriloquized? couldn't he have ventriloquized? couldn't we have ventriloquized? couldn't you have ventriloquized? couldn't they have ventriloquized?	couldn't I have been ventriloquizing? couldn't you have been ventriloquizing? couldn't he have been ventriloquizing? couldn't we have been ventriloquizing? couldn't you have been ventriloquizing? couldn't they have been ventriloquizing?