English verb conjugation
MUST DESIST

Regular verb: desist - desisted - desisted

Affirmation

Simple form	V-ing form
I must desist you must desist he must desist we must desist you must desist they must desist	I must be desisting you must be desisting he must be desisting we must be desisting you must be desisting they must be desisting
Perfect	V-ing perfect
I must have desisted you must have desisted he must have desisted we must have desisted you must have desisted they must have desisted	I must have been desisting you must have been desisting he must have been desisting we must have been desisting you must have been desisting they must have been desisting

Negation

Simple form	V-ing form
I mustn't desist you mustn't desist he mustn't desist we mustn't desist you mustn't desist they mustn't desist	I mustn't be desisting you mustn't be desisting he mustn't be desisting we mustn't be desisting you mustn't be desisting they mustn't be desisting
Perfect	V-ing perfect
I mustn't have desisted you mustn't have desisted he mustn't have desisted we mustn't have desisted you mustn't have desisted they mustn't have desisted	I mustn't have been desisting you mustn't have been desisting he mustn't have been desisting we mustn't have been desisting you mustn't have been desisting they mustn't have been desisting

Interrogative form

Simple form	V-ing form
must I desist? must you desist? must he desist? must we desist? must you desist? must they desist?	must I be desisting? must you be desisting? must he be desisting? must we be desisting? must you be desisting? must they be desisting?
Perfect	V-ing perfect
must I have desisted? must you have desisted? must he have desisted? must we have desisted? must you have desisted? must they have desisted?	must I have been desisting? must you have been desisting? must he have been desisting? must we have been desisting? must you have been desisting? must they have been desisting?

Interro-negative form

Simple form	V-ing form
mustn't I desist? mustn't you desist? mustn't he desist? mustn't we desist? mustn't you desist? mustn't they desist?	mustn't I be desisting? mustn't you be desisting? mustn't he be desisting? mustn't we be desisting? mustn't you be desisting? mustn't they be desisting?
Perfect	V-ing perfect
mustn't I have desisted? mustn't you have desisted? mustn't he have desisted? mustn't we have desisted? mustn't you have desisted? mustn't they have desisted?	mustn't I have been desisting? mustn't you have been desisting? mustn't he have been desisting? mustn't we have been desisting? mustn't you have been desisting? mustn't they have been desisting?