English verb conjugation
MUST SUBSPECIALIZE

Regular verb: subspecialize - subspecialized - subspecialized

Affirmation

Simple form	V-ing form
I must subspecialize you must subspecialize he must subspecialize we must subspecialize you must subspecialize they must subspecialize	I must be subspecializing you must be subspecializing he must be subspecializing we must be subspecializing you must be subspecializing they must be subspecializing
Perfect	V-ing perfect
I must have subspecialized you must have subspecialized he must have subspecialized we must have subspecialized you must have subspecialized they must have subspecialized	I must have been subspecializing you must have been subspecializing he must have been subspecializing we must have been subspecializing you must have been subspecializing they must have been subspecializing

Negation

Simple form	V-ing form
I must not subspecialize you must not subspecialize he must not subspecialize we must not subspecialize you must not subspecialize they must not subspecialize	I must not be subspecializing you must not be subspecializing he must not be subspecializing we must not be subspecializing you must not be subspecializing they must not be subspecializing
Perfect	V-ing perfect
I must not have subspecialized you must not have subspecialized he must not have subspecialized we must not have subspecialized you must not have subspecialized they must not have subspecialized	I must not have been subspecializing you must not have been subspecializing he must not have been subspecializing we must not have been subspecializing you must not have been subspecializing they must not have been subspecializing

Interrogative form

Simple form	V-ing form
must I subspecialize? must you subspecialize? must he subspecialize? must we subspecialize? must you subspecialize? must they subspecialize?	must I be subspecializing? must you be subspecializing? must he be subspecializing? must we be subspecializing? must you be subspecializing? must they be subspecializing?
Perfect	V-ing perfect
must I have subspecialized? must you have subspecialized? must he have subspecialized? must we have subspecialized? must you have subspecialized? must they have subspecialized?	must I have been subspecializing? must you have been subspecializing? must he have been subspecializing? must we have been subspecializing? must you have been subspecializing? must they have been subspecializing?

Interro-negative form

Simple form	V-ing form
must I not subspecialize? must you not subspecialize? must he not subspecialize? must we not subspecialize? must you not subspecialize? must they not subspecialize?	must I not be subspecializing? must you not be subspecializing? must he not be subspecializing? must we not be subspecializing? must you not be subspecializing? must they not be subspecializing?
Perfect	V-ing perfect
must I not have subspecialized? must you not have subspecialized? must he not have subspecialized? must we not have subspecialized? must you not have subspecialized? must they not have subspecialized?	must I not have been subspecializing? must you not have been subspecializing? must he not have been subspecializing? must we not have been subspecializing? must you not have been subspecializing? must they not have been subspecializing?