English verb conjugation
MUST SERRATE

Regular verb: serrate - serrated - serrated

Affirmation

Simple form	V-ing form
I must serrate you must serrate he must serrate we must serrate you must serrate they must serrate	I must be serrating you must be serrating he must be serrating we must be serrating you must be serrating they must be serrating
Perfect	V-ing perfect
I must have serrated you must have serrated he must have serrated we must have serrated you must have serrated they must have serrated	I must have been serrating you must have been serrating he must have been serrating we must have been serrating you must have been serrating they must have been serrating

Negation

Simple form	V-ing form
I must not serrate you must not serrate he must not serrate we must not serrate you must not serrate they must not serrate	I must not be serrating you must not be serrating he must not be serrating we must not be serrating you must not be serrating they must not be serrating
Perfect	V-ing perfect
I must not have serrated you must not have serrated he must not have serrated we must not have serrated you must not have serrated they must not have serrated	I must not have been serrating you must not have been serrating he must not have been serrating we must not have been serrating you must not have been serrating they must not have been serrating

Interrogative form

Simple form	V-ing form
must I serrate? must you serrate? must he serrate? must we serrate? must you serrate? must they serrate?	must I be serrating? must you be serrating? must he be serrating? must we be serrating? must you be serrating? must they be serrating?
Perfect	V-ing perfect
must I have serrated? must you have serrated? must he have serrated? must we have serrated? must you have serrated? must they have serrated?	must I have been serrating? must you have been serrating? must he have been serrating? must we have been serrating? must you have been serrating? must they have been serrating?

Interro-negative form

Simple form	V-ing form
must I not serrate? must you not serrate? must he not serrate? must we not serrate? must you not serrate? must they not serrate?	must I not be serrating? must you not be serrating? must he not be serrating? must we not be serrating? must you not be serrating? must they not be serrating?
Perfect	V-ing perfect
must I not have serrated? must you not have serrated? must he not have serrated? must we not have serrated? must you not have serrated? must they not have serrated?	must I not have been serrating? must you not have been serrating? must he not have been serrating? must we not have been serrating? must you not have been serrating? must they not have been serrating?