English verb conjugation
COULD PLATINIZE

Regular verb: platinize - platinized - platinized

Affirmation

Simple form	V-ing form
I could platinize you could platinize he could platinize we could platinize you could platinize they could platinize	I could be platinizing you could be platinizing he could be platinizing we could be platinizing you could be platinizing they could be platinizing
Perfect	V-ing perfect
I could have platinized you could have platinized he could have platinized we could have platinized you could have platinized they could have platinized	I could have been platinizing you could have been platinizing he could have been platinizing we could have been platinizing you could have been platinizing they could have been platinizing

Negation

Simple form	V-ing form
I couldn't platinize you couldn't platinize he couldn't platinize we couldn't platinize you couldn't platinize they couldn't platinize	I couldn't be platinizing you couldn't be platinizing he couldn't be platinizing we couldn't be platinizing you couldn't be platinizing they couldn't be platinizing
Perfect	V-ing perfect
I couldn't have platinized you couldn't have platinized he couldn't have platinized we couldn't have platinized you couldn't have platinized they couldn't have platinized	I couldn't have been platinizing you couldn't have been platinizing he couldn't have been platinizing we couldn't have been platinizing you couldn't have been platinizing they couldn't have been platinizing

Interrogative form

Simple form	V-ing form
could I platinize? could you platinize? could he platinize? could we platinize? could you platinize? could they platinize?	could I be platinizing? could you be platinizing? could he be platinizing? could we be platinizing? could you be platinizing? could they be platinizing?
Perfect	V-ing perfect
could I have platinized? could you have platinized? could he have platinized? could we have platinized? could you have platinized? could they have platinized?	could I have been platinizing? could you have been platinizing? could he have been platinizing? could we have been platinizing? could you have been platinizing? could they have been platinizing?

Interro-negative form

Simple form	V-ing form
couldn't I platinize? couldn't you platinize? couldn't he platinize? couldn't we platinize? couldn't you platinize? couldn't they platinize?	couldn't I be platinizing? couldn't you be platinizing? couldn't he be platinizing? couldn't we be platinizing? couldn't you be platinizing? couldn't they be platinizing?
Perfect	V-ing perfect
couldn't I have platinized? couldn't you have platinized? couldn't he have platinized? couldn't we have platinized? couldn't you have platinized? couldn't they have platinized?	couldn't I have been platinizing? couldn't you have been platinizing? couldn't he have been platinizing? couldn't we have been platinizing? couldn't you have been platinizing? couldn't they have been platinizing?