English verb conjugation
MUST CRUSADE

Regular verb: crusade - crusaded - crusaded

Affirmation

Simple form	V-ing form
I must crusade you must crusade he must crusade we must crusade you must crusade they must crusade	I must be crusading you must be crusading he must be crusading we must be crusading you must be crusading they must be crusading
Perfect	V-ing perfect
I must have crusaded you must have crusaded he must have crusaded we must have crusaded you must have crusaded they must have crusaded	I must have been crusading you must have been crusading he must have been crusading we must have been crusading you must have been crusading they must have been crusading

Negation

Simple form	V-ing form
I mustn't crusade you mustn't crusade he mustn't crusade we mustn't crusade you mustn't crusade they mustn't crusade	I mustn't be crusading you mustn't be crusading he mustn't be crusading we mustn't be crusading you mustn't be crusading they mustn't be crusading
Perfect	V-ing perfect
I mustn't have crusaded you mustn't have crusaded he mustn't have crusaded we mustn't have crusaded you mustn't have crusaded they mustn't have crusaded	I mustn't have been crusading you mustn't have been crusading he mustn't have been crusading we mustn't have been crusading you mustn't have been crusading they mustn't have been crusading

Interrogative form

Simple form	V-ing form
must I crusade? must you crusade? must he crusade? must we crusade? must you crusade? must they crusade?	must I be crusading? must you be crusading? must he be crusading? must we be crusading? must you be crusading? must they be crusading?
Perfect	V-ing perfect
must I have crusaded? must you have crusaded? must he have crusaded? must we have crusaded? must you have crusaded? must they have crusaded?	must I have been crusading? must you have been crusading? must he have been crusading? must we have been crusading? must you have been crusading? must they have been crusading?

Interro-negative form

Simple form	V-ing form
mustn't I crusade? mustn't you crusade? mustn't he crusade? mustn't we crusade? mustn't you crusade? mustn't they crusade?	mustn't I be crusading? mustn't you be crusading? mustn't he be crusading? mustn't we be crusading? mustn't you be crusading? mustn't they be crusading?
Perfect	V-ing perfect
mustn't I have crusaded? mustn't you have crusaded? mustn't he have crusaded? mustn't we have crusaded? mustn't you have crusaded? mustn't they have crusaded?	mustn't I have been crusading? mustn't you have been crusading? mustn't he have been crusading? mustn't we have been crusading? mustn't you have been crusading? mustn't they have been crusading?