English verb conjugation
COULD PORCELAINIZE

Regular verb: porcelainize - porcelainized - porcelainized

Affirmation

Simple form	V-ing form
I could porcelainize you could porcelainize he could porcelainize we could porcelainize you could porcelainize they could porcelainize	I could be porcelainizing you could be porcelainizing he could be porcelainizing we could be porcelainizing you could be porcelainizing they could be porcelainizing
Perfect	V-ing perfect
I could have porcelainized you could have porcelainized he could have porcelainized we could have porcelainized you could have porcelainized they could have porcelainized	I could have been porcelainizing you could have been porcelainizing he could have been porcelainizing we could have been porcelainizing you could have been porcelainizing they could have been porcelainizing

Negation

Simple form	V-ing form
I couldn't porcelainize you couldn't porcelainize he couldn't porcelainize we couldn't porcelainize you couldn't porcelainize they couldn't porcelainize	I couldn't be porcelainizing you couldn't be porcelainizing he couldn't be porcelainizing we couldn't be porcelainizing you couldn't be porcelainizing they couldn't be porcelainizing
Perfect	V-ing perfect
I couldn't have porcelainized you couldn't have porcelainized he couldn't have porcelainized we couldn't have porcelainized you couldn't have porcelainized they couldn't have porcelainized	I couldn't have been porcelainizing you couldn't have been porcelainizing he couldn't have been porcelainizing we couldn't have been porcelainizing you couldn't have been porcelainizing they couldn't have been porcelainizing

Interrogative form

Simple form	V-ing form
could I porcelainize? could you porcelainize? could he porcelainize? could we porcelainize? could you porcelainize? could they porcelainize?	could I be porcelainizing? could you be porcelainizing? could he be porcelainizing? could we be porcelainizing? could you be porcelainizing? could they be porcelainizing?
Perfect	V-ing perfect
could I have porcelainized? could you have porcelainized? could he have porcelainized? could we have porcelainized? could you have porcelainized? could they have porcelainized?	could I have been porcelainizing? could you have been porcelainizing? could he have been porcelainizing? could we have been porcelainizing? could you have been porcelainizing? could they have been porcelainizing?

Interro-negative form

Simple form	V-ing form
couldn't I porcelainize? couldn't you porcelainize? couldn't he porcelainize? couldn't we porcelainize? couldn't you porcelainize? couldn't they porcelainize?	couldn't I be porcelainizing? couldn't you be porcelainizing? couldn't he be porcelainizing? couldn't we be porcelainizing? couldn't you be porcelainizing? couldn't they be porcelainizing?
Perfect	V-ing perfect
couldn't I have porcelainized? couldn't you have porcelainized? couldn't he have porcelainized? couldn't we have porcelainized? couldn't you have porcelainized? couldn't they have porcelainized?	couldn't I have been porcelainizing? couldn't you have been porcelainizing? couldn't he have been porcelainizing? couldn't we have been porcelainizing? couldn't you have been porcelainizing? couldn't they have been porcelainizing?