must sauna
Regular verb: sauna - saunaed- saunaed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sauna
you must sauna
he must sauna
we must sauna
you must sauna
they must sauna 	I must be saunaing
you must be saunaing
he must be saunaing
we must be saunaing
you must be saunaing
they must be saunaing	I must have saunaed
you must have saunaed
he must have saunaed
we must have saunaed
you must have saunaed
they must have saunaed	I must have been saunaing
you must have been saunaing
he must have been saunaing
we must have been saunaing
you must have been saunaing
they must have been saunaing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not sauna
you must not sauna
he must not sauna
we must not sauna
you must not sauna
they must not sauna 	I must not be saunaing
you must not be saunaing
he must not be saunaing
we must not be saunaing
you must not be saunaing
they must not be saunaing	I must not have saunaed
you must not have saunaed
he must not have saunaed
we must not have saunaed
you must not have saunaed
they must not have saunaed	I must not have been saunaing
you must not have been saunaing
he must not have been saunaing
we must not have been saunaing
you must not have been saunaing
they must not have been saunaing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sauna?
must you sauna?
must he sauna?
must we sauna?
must you sauna?
must they sauna? 	must I be saunaing?
must you be saunaing?
must he be saunaing?
must we be saunaing?
must you be saunaing?
must they be saunaing? 	must I have saunaed?
must you have saunaed?
must he have saunaed?
must we have saunaed?
must you have saunaed?
must they have saunaed? 	must I have been saunaing?
must you have been saunaing?
must he have been saunaing?
must we have been saunaing?
must you have been saunaing?
must they have been saunaing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not sauna?
must you not sauna?
must he not sauna?
must we not sauna?
must you not sauna?
must they not sauna? 	must I not be saunaing?
must you not be saunaing?
must he not be saunaing?
must we not be saunaing?
must you not be saunaing?
must they not be saunaing? 	must I not have saunaed?
must you not have saunaed?
must he not have saunaed?
must we not have saunaed?
must you not have saunaed?
must they not have saunaed? 	must I not have been saunaing?
must you not have been saunaing?
must he not have been saunaing?
must we not have been saunaing?
must you not have been saunaing?
must they not have been saunaing?