must trice
Regular verb: trice - triced- triced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
I must not trice
you must not trice
he must not trice
we must not trice
you must not trice
they must not trice 	I must not be tricing
you must not be tricing
he must not be tricing
we must not be tricing
you must not be tricing
they must not be tricing	I must not have triced
you must not have triced
he must not have triced
we must not have triced
you must not have triced
they must not have triced	I must not have been tricing
you must not have been tricing
he must not have been tricing
we must not have been tricing
you must not have been tricing
they must not have been tricing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
must I not trice?
must you not trice?
must he not trice?
must we not trice?
must you not trice?
must they not trice? 	must I not be tricing?
must you not be tricing?
must he not be tricing?
must we not be tricing?
must you not be tricing?
must they not be tricing? 	must I not have triced?
must you not have triced?
must he not have triced?
must we not have triced?
must you not have triced?
must they not have triced? 	must I not have been tricing?
must you not have been tricing?
must he not have been tricing?
must we not have been tricing?
must you not have been tricing?
must they not have been tricing?