English verb conjugation
MUST LEMMATIZE

Regular verb: lemmatize - lemmatized - lemmatized

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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