English verb conjugation
MUST TRICE

Regular verb: trice - triced - triced

Affirmation

Simple form	V-ing form
I must trice you must trice he must trice we must trice you must trice they must trice	I must be tricing you must be tricing he must be tricing we must be tricing you must be tricing they must be tricing
Perfect	V-ing perfect
I must have triced you must have triced he must have triced we must have triced you must have triced they must have triced	I must have been tricing you must have been tricing he must have been tricing we must have been tricing you must have been tricing they must have been tricing

Negation

Simple form	V-ing form
I mustn't trice you mustn't trice he mustn't trice we mustn't trice you mustn't trice they mustn't trice	I mustn't be tricing you mustn't be tricing he mustn't be tricing we mustn't be tricing you mustn't be tricing they mustn't be tricing
Perfect	V-ing perfect
I mustn't have triced you mustn't have triced he mustn't have triced we mustn't have triced you mustn't have triced they mustn't have triced	I mustn't have been tricing you mustn't have been tricing he mustn't have been tricing we mustn't have been tricing you mustn't have been tricing they mustn't have been tricing

Interrogative form

Simple form	V-ing form
must I trice? must you trice? must he trice? must we trice? must you trice? must they trice?	must I be tricing? must you be tricing? must he be tricing? must we be tricing? must you be tricing? must they be tricing?
Perfect	V-ing perfect
must I have triced? must you have triced? must he have triced? must we have triced? must you have triced? must they have triced?	must I have been tricing? must you have been tricing? must he have been tricing? must we have been tricing? must you have been tricing? must they have been tricing?

Interro-negative form

Simple form	V-ing form
mustn't I trice? mustn't you trice? mustn't he trice? mustn't we trice? mustn't you trice? mustn't they trice?	mustn't I be tricing? mustn't you be tricing? mustn't he be tricing? mustn't we be tricing? mustn't you be tricing? mustn't they be tricing?
Perfect	V-ing perfect
mustn't I have triced? mustn't you have triced? mustn't he have triced? mustn't we have triced? mustn't you have triced? mustn't they have triced?	mustn't I have been tricing? mustn't you have been tricing? mustn't he have been tricing? mustn't we have been tricing? mustn't you have been tricing? mustn't they have been tricing?