English verb conjugation
MUST CHASTISE

Regular verb: chastise - chastised - chastised

Affirmation

Simple form	V-ing form
I must chastise you must chastise he must chastise we must chastise you must chastise they must chastise	I must be chastising you must be chastising he must be chastising we must be chastising you must be chastising they must be chastising
Perfect	V-ing perfect
I must have chastised you must have chastised he must have chastised we must have chastised you must have chastised they must have chastised	I must have been chastising you must have been chastising he must have been chastising we must have been chastising you must have been chastising they must have been chastising

Negation

Simple form	V-ing form
I must not chastise you must not chastise he must not chastise we must not chastise you must not chastise they must not chastise	I must not be chastising you must not be chastising he must not be chastising we must not be chastising you must not be chastising they must not be chastising
Perfect	V-ing perfect
I must not have chastised you must not have chastised he must not have chastised we must not have chastised you must not have chastised they must not have chastised	I must not have been chastising you must not have been chastising he must not have been chastising we must not have been chastising you must not have been chastising they must not have been chastising

Interrogative form

Simple form	V-ing form
must I chastise? must you chastise? must he chastise? must we chastise? must you chastise? must they chastise?	must I be chastising? must you be chastising? must he be chastising? must we be chastising? must you be chastising? must they be chastising?
Perfect	V-ing perfect
must I have chastised? must you have chastised? must he have chastised? must we have chastised? must you have chastised? must they have chastised?	must I have been chastising? must you have been chastising? must he have been chastising? must we have been chastising? must you have been chastising? must they have been chastising?

Interro-negative form

Simple form	V-ing form
must I not chastise? must you not chastise? must he not chastise? must we not chastise? must you not chastise? must they not chastise?	must I not be chastising? must you not be chastising? must he not be chastising? must we not be chastising? must you not be chastising? must they not be chastising?
Perfect	V-ing perfect
must I not have chastised? must you not have chastised? must he not have chastised? must we not have chastised? must you not have chastised? must they not have chastised?	must I not have been chastising? must you not have been chastising? must he not have been chastising? must we not have been chastising? must you not have been chastising? must they not have been chastising?