English verb conjugation
MUST FROLIC

Regular verb: frolic - froliced - froliced

Affirmation

Simple form	V-ing form
I must frolic you must frolic he must frolic we must frolic you must frolic they must frolic	I must be frolicing you must be frolicing he must be frolicing we must be frolicing you must be frolicing they must be frolicing
Perfect	V-ing perfect
I must have froliced you must have froliced he must have froliced we must have froliced you must have froliced they must have froliced	I must have been frolicing you must have been frolicing he must have been frolicing we must have been frolicing you must have been frolicing they must have been frolicing

Negation

Simple form	V-ing form
I mustn't frolic you mustn't frolic he mustn't frolic we mustn't frolic you mustn't frolic they mustn't frolic	I mustn't be frolicing you mustn't be frolicing he mustn't be frolicing we mustn't be frolicing you mustn't be frolicing they mustn't be frolicing
Perfect	V-ing perfect
I mustn't have froliced you mustn't have froliced he mustn't have froliced we mustn't have froliced you mustn't have froliced they mustn't have froliced	I mustn't have been frolicing you mustn't have been frolicing he mustn't have been frolicing we mustn't have been frolicing you mustn't have been frolicing they mustn't have been frolicing

Interrogative form

Simple form	V-ing form
must I frolic? must you frolic? must he frolic? must we frolic? must you frolic? must they frolic?	must I be frolicing? must you be frolicing? must he be frolicing? must we be frolicing? must you be frolicing? must they be frolicing?
Perfect	V-ing perfect
must I have froliced? must you have froliced? must he have froliced? must we have froliced? must you have froliced? must they have froliced?	must I have been frolicing? must you have been frolicing? must he have been frolicing? must we have been frolicing? must you have been frolicing? must they have been frolicing?

Interro-negative form

Simple form	V-ing form
mustn't I frolic? mustn't you frolic? mustn't he frolic? mustn't we frolic? mustn't you frolic? mustn't they frolic?	mustn't I be frolicing? mustn't you be frolicing? mustn't he be frolicing? mustn't we be frolicing? mustn't you be frolicing? mustn't they be frolicing?
Perfect	V-ing perfect
mustn't I have froliced? mustn't you have froliced? mustn't he have froliced? mustn't we have froliced? mustn't you have froliced? mustn't they have froliced?	mustn't I have been frolicing? mustn't you have been frolicing? mustn't he have been frolicing? mustn't we have been frolicing? mustn't you have been frolicing? mustn't they have been frolicing?