English verb conjugation
COULD LEMMATIZE

Regular verb: lemmatize - lemmatized - lemmatized

Affirmation

Simple form	V-ing form
I could lemmatize you could lemmatize he could lemmatize we could lemmatize you could lemmatize they could lemmatize	I could be lemmatizing you could be lemmatizing he could be lemmatizing we could be lemmatizing you could be lemmatizing they could be lemmatizing
Perfect	V-ing perfect
I could have lemmatized you could have lemmatized he could have lemmatized we could have lemmatized you could have lemmatized they could have lemmatized	I could have been lemmatizing you could have been lemmatizing he could have been lemmatizing we could have been lemmatizing you could have been lemmatizing they could have been lemmatizing

Negation

Simple form	V-ing form
I could not lemmatize you could not lemmatize he could not lemmatize we could not lemmatize you could not lemmatize they could not lemmatize	I could not be lemmatizing you could not be lemmatizing he could not be lemmatizing we could not be lemmatizing you could not be lemmatizing they could not be lemmatizing
Perfect	V-ing perfect
I could not have lemmatized you could not have lemmatized he could not have lemmatized we could not have lemmatized you could not have lemmatized they could not have lemmatized	I could not have been lemmatizing you could not have been lemmatizing he could not have been lemmatizing we could not have been lemmatizing you could not have been lemmatizing they could not have been lemmatizing

Interrogative form

Simple form	V-ing form
could I lemmatize? could you lemmatize? could he lemmatize? could we lemmatize? could you lemmatize? could they lemmatize?	could I be lemmatizing? could you be lemmatizing? could he be lemmatizing? could we be lemmatizing? could you be lemmatizing? could they be lemmatizing?
Perfect	V-ing perfect
could I have lemmatized? could you have lemmatized? could he have lemmatized? could we have lemmatized? could you have lemmatized? could they have lemmatized?	could I have been lemmatizing? could you have been lemmatizing? could he have been lemmatizing? could we have been lemmatizing? could you have been lemmatizing? could they have been lemmatizing?

Interro-negative form

Simple form	V-ing form
could I not lemmatize? could you not lemmatize? could he not lemmatize? could we not lemmatize? could you not lemmatize? could they not lemmatize?	could I not be lemmatizing? could you not be lemmatizing? could he not be lemmatizing? could we not be lemmatizing? could you not be lemmatizing? could they not be lemmatizing?
Perfect	V-ing perfect
could I not have lemmatized? could you not have lemmatized? could he not have lemmatized? could we not have lemmatized? could you not have lemmatized? could they not have lemmatized?	could I not have been lemmatizing? could you not have been lemmatizing? could he not have been lemmatizing? could we not have been lemmatizing? could you not have been lemmatizing? could they not have been lemmatizing?