must vacation vacation
Regular verb: vacation vacation - vacation vacationed- vacation vacationed

, this verb may not exist. Conjugation is given as example.

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must vacation vacation
you must vacation vacation
he must vacation vacation
we must vacation vacation
you must vacation vacation
they must vacation vacation 	I must be vacation vacationing
you must be vacation vacationing
he must be vacation vacationing
we must be vacation vacationing
you must be vacation vacationing
they must be vacation vacationing	I must have vacation vacationed
you must have vacation vacationed
he must have vacation vacationed
we must have vacation vacationed
you must have vacation vacationed
they must have vacation vacationed	I must have been vacation vacationing
you must have been vacation vacationing
he must have been vacation vacationing
we must have been vacation vacationing
you must have been vacation vacationing
they must have been vacation vacationing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not vacation vacation
you must not vacation vacation
he must not vacation vacation
we must not vacation vacation
you must not vacation vacation
they must not vacation vacation 	I must not be vacation vacationing
you must not be vacation vacationing
he must not be vacation vacationing
we must not be vacation vacationing
you must not be vacation vacationing
they must not be vacation vacationing	I must not have vacation vacationed
you must not have vacation vacationed
he must not have vacation vacationed
we must not have vacation vacationed
you must not have vacation vacationed
they must not have vacation vacationed	I must not have been vacation vacationing
you must not have been vacation vacationing
he must not have been vacation vacationing
we must not have been vacation vacationing
you must not have been vacation vacationing
they must not have been vacation vacationing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I vacation vacation?
must you vacation vacation?
must he vacation vacation?
must we vacation vacation?
must you vacation vacation?
must they vacation vacation? 	must I be vacation vacationing?
must you be vacation vacationing?
must he be vacation vacationing?
must we be vacation vacationing?
must you be vacation vacationing?
must they be vacation vacationing? 	must I have vacation vacationed?
must you have vacation vacationed?
must he have vacation vacationed?
must we have vacation vacationed?
must you have vacation vacationed?
must they have vacation vacationed? 	must I have been vacation vacationing?
must you have been vacation vacationing?
must he have been vacation vacationing?
must we have been vacation vacationing?
must you have been vacation vacationing?
must they have been vacation vacationing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not vacation vacation?
must you not vacation vacation?
must he not vacation vacation?
must we not vacation vacation?
must you not vacation vacation?
must they not vacation vacation? 	must I not be vacation vacationing?
must you not be vacation vacationing?
must he not be vacation vacationing?
must we not be vacation vacationing?
must you not be vacation vacationing?
must they not be vacation vacationing? 	must I not have vacation vacationed?
must you not have vacation vacationed?
must he not have vacation vacationed?
must we not have vacation vacationed?
must you not have vacation vacationed?
must they not have vacation vacationed? 	must I not have been vacation vacationing?
must you not have been vacation vacationing?
must he not have been vacation vacationing?
must we not have been vacation vacationing?
must you not have been vacation vacationing?
must they not have been vacation vacationing?