English verb conjugation
MUST DISDAIN

Regular verb: disdain - disdained - disdained

Affirmation

Simple form	V-ing form
I must disdain you must disdain he must disdain we must disdain you must disdain they must disdain	I must be disdaining you must be disdaining he must be disdaining we must be disdaining you must be disdaining they must be disdaining
Perfect	V-ing perfect
I must have disdained you must have disdained he must have disdained we must have disdained you must have disdained they must have disdained	I must have been disdaining you must have been disdaining he must have been disdaining we must have been disdaining you must have been disdaining they must have been disdaining

Negation

Simple form	V-ing form
I mustn't disdain you mustn't disdain he mustn't disdain we mustn't disdain you mustn't disdain they mustn't disdain	I mustn't be disdaining you mustn't be disdaining he mustn't be disdaining we mustn't be disdaining you mustn't be disdaining they mustn't be disdaining
Perfect	V-ing perfect
I mustn't have disdained you mustn't have disdained he mustn't have disdained we mustn't have disdained you mustn't have disdained they mustn't have disdained	I mustn't have been disdaining you mustn't have been disdaining he mustn't have been disdaining we mustn't have been disdaining you mustn't have been disdaining they mustn't have been disdaining

Interrogative form

Simple form	V-ing form
must I disdain? must you disdain? must he disdain? must we disdain? must you disdain? must they disdain?	must I be disdaining? must you be disdaining? must he be disdaining? must we be disdaining? must you be disdaining? must they be disdaining?
Perfect	V-ing perfect
must I have disdained? must you have disdained? must he have disdained? must we have disdained? must you have disdained? must they have disdained?	must I have been disdaining? must you have been disdaining? must he have been disdaining? must we have been disdaining? must you have been disdaining? must they have been disdaining?

Interro-negative form

Simple form	V-ing form
mustn't I disdain? mustn't you disdain? mustn't he disdain? mustn't we disdain? mustn't you disdain? mustn't they disdain?	mustn't I be disdaining? mustn't you be disdaining? mustn't he be disdaining? mustn't we be disdaining? mustn't you be disdaining? mustn't they be disdaining?
Perfect	V-ing perfect
mustn't I have disdained? mustn't you have disdained? mustn't he have disdained? mustn't we have disdained? mustn't you have disdained? mustn't they have disdained?	mustn't I have been disdaining? mustn't you have been disdaining? mustn't he have been disdaining? mustn't we have been disdaining? mustn't you have been disdaining? mustn't they have been disdaining?