English verb conjugation
MUST SYMPATHIZE

Regular verb: sympathize - sympathized - sympathized

Affirmation

Simple form	V-ing form
I must sympathize you must sympathize he must sympathize we must sympathize you must sympathize they must sympathize	I must be sympathizing you must be sympathizing he must be sympathizing we must be sympathizing you must be sympathizing they must be sympathizing
Perfect	V-ing perfect
I must have sympathized you must have sympathized he must have sympathized we must have sympathized you must have sympathized they must have sympathized	I must have been sympathizing you must have been sympathizing he must have been sympathizing we must have been sympathizing you must have been sympathizing they must have been sympathizing

Negation

Simple form	V-ing form
I mustn't sympathize you mustn't sympathize he mustn't sympathize we mustn't sympathize you mustn't sympathize they mustn't sympathize	I mustn't be sympathizing you mustn't be sympathizing he mustn't be sympathizing we mustn't be sympathizing you mustn't be sympathizing they mustn't be sympathizing
Perfect	V-ing perfect
I mustn't have sympathized you mustn't have sympathized he mustn't have sympathized we mustn't have sympathized you mustn't have sympathized they mustn't have sympathized	I mustn't have been sympathizing you mustn't have been sympathizing he mustn't have been sympathizing we mustn't have been sympathizing you mustn't have been sympathizing they mustn't have been sympathizing

Interrogative form

Simple form	V-ing form
must I sympathize? must you sympathize? must he sympathize? must we sympathize? must you sympathize? must they sympathize?	must I be sympathizing? must you be sympathizing? must he be sympathizing? must we be sympathizing? must you be sympathizing? must they be sympathizing?
Perfect	V-ing perfect
must I have sympathized? must you have sympathized? must he have sympathized? must we have sympathized? must you have sympathized? must they have sympathized?	must I have been sympathizing? must you have been sympathizing? must he have been sympathizing? must we have been sympathizing? must you have been sympathizing? must they have been sympathizing?

Interro-negative form

Simple form	V-ing form
mustn't I sympathize? mustn't you sympathize? mustn't he sympathize? mustn't we sympathize? mustn't you sympathize? mustn't they sympathize?	mustn't I be sympathizing? mustn't you be sympathizing? mustn't he be sympathizing? mustn't we be sympathizing? mustn't you be sympathizing? mustn't they be sympathizing?
Perfect	V-ing perfect
mustn't I have sympathized? mustn't you have sympathized? mustn't he have sympathized? mustn't we have sympathized? mustn't you have sympathized? mustn't they have sympathized?	mustn't I have been sympathizing? mustn't you have been sympathizing? mustn't he have been sympathizing? mustn't we have been sympathizing? mustn't you have been sympathizing? mustn't they have been sympathizing?