must dans
Regular verb: dans - dansed- dansed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dans
you must dans
he must dans
we must dans
you must dans
they must dans 	I must be dansing
you must be dansing
he must be dansing
we must be dansing
you must be dansing
they must be dansing	I must have dansed
you must have dansed
he must have dansed
we must have dansed
you must have dansed
they must have dansed	I must have been dansing
you must have been dansing
he must have been dansing
we must have been dansing
you must have been dansing
they must have been dansing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not dans
you must not dans
he must not dans
we must not dans
you must not dans
they must not dans 	I must not be dansing
you must not be dansing
he must not be dansing
we must not be dansing
you must not be dansing
they must not be dansing	I must not have dansed
you must not have dansed
he must not have dansed
we must not have dansed
you must not have dansed
they must not have dansed	I must not have been dansing
you must not have been dansing
he must not have been dansing
we must not have been dansing
you must not have been dansing
they must not have been dansing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I dans?
must you dans?
must he dans?
must we dans?
must you dans?
must they dans? 	must I be dansing?
must you be dansing?
must he be dansing?
must we be dansing?
must you be dansing?
must they be dansing? 	must I have dansed?
must you have dansed?
must he have dansed?
must we have dansed?
must you have dansed?
must they have dansed? 	must I have been dansing?
must you have been dansing?
must he have been dansing?
must we have been dansing?
must you have been dansing?
must they have been dansing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not dans?
must you not dans?
must he not dans?
must we not dans?
must you not dans?
must they not dans? 	must I not be dansing?
must you not be dansing?
must he not be dansing?
must we not be dansing?
must you not be dansing?
must they not be dansing? 	must I not have dansed?
must you not have dansed?
must he not have dansed?
must we not have dansed?
must you not have dansed?
must they not have dansed? 	must I not have been dansing?
must you not have been dansing?
must he not have been dansing?
must we not have been dansing?
must you not have been dansing?
must they not have been dansing?