English verb conjugation
MUST LYSE

Regular verb: lyse - lysed - lysed

Affirmation

Simple form	V-ing form
I must lyse you must lyse he must lyse we must lyse you must lyse they must lyse	I must be lysing you must be lysing he must be lysing we must be lysing you must be lysing they must be lysing
Perfect	V-ing perfect
I must have lysed you must have lysed he must have lysed we must have lysed you must have lysed they must have lysed	I must have been lysing you must have been lysing he must have been lysing we must have been lysing you must have been lysing they must have been lysing

Negation

Simple form	V-ing form
I must not lyse you must not lyse he must not lyse we must not lyse you must not lyse they must not lyse	I must not be lysing you must not be lysing he must not be lysing we must not be lysing you must not be lysing they must not be lysing
Perfect	V-ing perfect
I must not have lysed you must not have lysed he must not have lysed we must not have lysed you must not have lysed they must not have lysed	I must not have been lysing you must not have been lysing he must not have been lysing we must not have been lysing you must not have been lysing they must not have been lysing

Interrogative form

Simple form	V-ing form
must I lyse? must you lyse? must he lyse? must we lyse? must you lyse? must they lyse?	must I be lysing? must you be lysing? must he be lysing? must we be lysing? must you be lysing? must they be lysing?
Perfect	V-ing perfect
must I have lysed? must you have lysed? must he have lysed? must we have lysed? must you have lysed? must they have lysed?	must I have been lysing? must you have been lysing? must he have been lysing? must we have been lysing? must you have been lysing? must they have been lysing?

Interro-negative form

Simple form	V-ing form
must I not lyse? must you not lyse? must he not lyse? must we not lyse? must you not lyse? must they not lyse?	must I not be lysing? must you not be lysing? must he not be lysing? must we not be lysing? must you not be lysing? must they not be lysing?
Perfect	V-ing perfect
must I not have lysed? must you not have lysed? must he not have lysed? must we not have lysed? must you not have lysed? must they not have lysed?	must I not have been lysing? must you not have been lysing? must he not have been lysing? must we not have been lysing? must you not have been lysing? must they not have been lysing?