must troupe
Regular verb: troupe - trouped- trouped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must troupe
you must troupe
he must troupe
we must troupe
you must troupe
they must troupe 	I must be trouping
you must be trouping
he must be trouping
we must be trouping
you must be trouping
they must be trouping	I must have trouped
you must have trouped
he must have trouped
we must have trouped
you must have trouped
they must have trouped	I must have been trouping
you must have been trouping
he must have been trouping
we must have been trouping
you must have been trouping
they must have been trouping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not troupe
you must not troupe
he must not troupe
we must not troupe
you must not troupe
they must not troupe 	I must not be trouping
you must not be trouping
he must not be trouping
we must not be trouping
you must not be trouping
they must not be trouping	I must not have trouped
you must not have trouped
he must not have trouped
we must not have trouped
you must not have trouped
they must not have trouped	I must not have been trouping
you must not have been trouping
he must not have been trouping
we must not have been trouping
you must not have been trouping
they must not have been trouping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I troupe?
must you troupe?
must he troupe?
must we troupe?
must you troupe?
must they troupe? 	must I be trouping?
must you be trouping?
must he be trouping?
must we be trouping?
must you be trouping?
must they be trouping? 	must I have trouped?
must you have trouped?
must he have trouped?
must we have trouped?
must you have trouped?
must they have trouped? 	must I have been trouping?
must you have been trouping?
must he have been trouping?
must we have been trouping?
must you have been trouping?
must they have been trouping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not troupe?
must you not troupe?
must he not troupe?
must we not troupe?
must you not troupe?
must they not troupe? 	must I not be trouping?
must you not be trouping?
must he not be trouping?
must we not be trouping?
must you not be trouping?
must they not be trouping? 	must I not have trouped?
must you not have trouped?
must he not have trouped?
must we not have trouped?
must you not have trouped?
must they not have trouped? 	must I not have been trouping?
must you not have been trouping?
must he not have been trouping?
must we not have been trouping?
must you not have been trouping?
must they not have been trouping?