English verb conjugation
COULD PLURALIZE

Regular verb: pluralize - pluralized - pluralized

Affirmation

Simple form	V-ing form
I could pluralize you could pluralize he could pluralize we could pluralize you could pluralize they could pluralize	I could be pluralizing you could be pluralizing he could be pluralizing we could be pluralizing you could be pluralizing they could be pluralizing
Perfect	V-ing perfect
I could have pluralized you could have pluralized he could have pluralized we could have pluralized you could have pluralized they could have pluralized	I could have been pluralizing you could have been pluralizing he could have been pluralizing we could have been pluralizing you could have been pluralizing they could have been pluralizing

Negation

Simple form	V-ing form
I could not pluralize you could not pluralize he could not pluralize we could not pluralize you could not pluralize they could not pluralize	I could not be pluralizing you could not be pluralizing he could not be pluralizing we could not be pluralizing you could not be pluralizing they could not be pluralizing
Perfect	V-ing perfect
I could not have pluralized you could not have pluralized he could not have pluralized we could not have pluralized you could not have pluralized they could not have pluralized	I could not have been pluralizing you could not have been pluralizing he could not have been pluralizing we could not have been pluralizing you could not have been pluralizing they could not have been pluralizing

Interrogative form

Simple form	V-ing form
could I pluralize? could you pluralize? could he pluralize? could we pluralize? could you pluralize? could they pluralize?	could I be pluralizing? could you be pluralizing? could he be pluralizing? could we be pluralizing? could you be pluralizing? could they be pluralizing?
Perfect	V-ing perfect
could I have pluralized? could you have pluralized? could he have pluralized? could we have pluralized? could you have pluralized? could they have pluralized?	could I have been pluralizing? could you have been pluralizing? could he have been pluralizing? could we have been pluralizing? could you have been pluralizing? could they have been pluralizing?

Interro-negative form

Simple form	V-ing form
could I not pluralize? could you not pluralize? could he not pluralize? could we not pluralize? could you not pluralize? could they not pluralize?	could I not be pluralizing? could you not be pluralizing? could he not be pluralizing? could we not be pluralizing? could you not be pluralizing? could they not be pluralizing?
Perfect	V-ing perfect
could I not have pluralized? could you not have pluralized? could he not have pluralized? could we not have pluralized? could you not have pluralized? could they not have pluralized?	could I not have been pluralizing? could you not have been pluralizing? could he not have been pluralizing? could we not have been pluralizing? could you not have been pluralizing? could they not have been pluralizing?