English verb conjugation
MUST DANS

Regular verb: dans - dansed - dansed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mustn't dans you mustn't dans he mustn't dans we mustn't dans you mustn't dans they mustn't dans	I mustn't be dansing you mustn't be dansing he mustn't be dansing we mustn't be dansing you mustn't be dansing they mustn't be dansing
Perfect	V-ing perfect
I mustn't have dansed you mustn't have dansed he mustn't have dansed we mustn't have dansed you mustn't have dansed they mustn't have dansed	I mustn't have been dansing you mustn't have been dansing he mustn't have been dansing we mustn't have been dansing you mustn't have been dansing they mustn't have been dansing

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mustn't I dans? mustn't you dans? mustn't he dans? mustn't we dans? mustn't you dans? mustn't they dans?	mustn't I be dansing? mustn't you be dansing? mustn't he be dansing? mustn't we be dansing? mustn't you be dansing? mustn't they be dansing?
Perfect	V-ing perfect
mustn't I have dansed? mustn't you have dansed? mustn't he have dansed? mustn't we have dansed? mustn't you have dansed? mustn't they have dansed?	mustn't I have been dansing? mustn't you have been dansing? mustn't he have been dansing? mustn't we have been dansing? mustn't you have been dansing? mustn't they have been dansing?