Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I must endure endure you must endure endure she must endure endure we must endure endure you must endure endure they must endure endure
V-ing form
I must be endure enduring you must be endure enduring she must be endure enduring we must be endure enduring you must be endure enduring they must be endure enduring
Perfect
I must have endure endured you must have endure endured she must have endure endured we must have endure endured you must have endure endured they must have endure endured
V-ing perfect
I must have been endure enduring you must have been endure enduring she must have been endure enduring we must have been endure enduring you must have been endure enduring they must have been endure enduring
Negation
Simple form
I mustn't endure endure you mustn't endure endure she mustn't endure endure we mustn't endure endure you mustn't endure endure they mustn't endure endure
V-ing form
I mustn't be endure enduring you mustn't be endure enduring she mustn't be endure enduring we mustn't be endure enduring you mustn't be endure enduring they mustn't be endure enduring
Perfect
I mustn't have endure endured you mustn't have endure endured she mustn't have endure endured we mustn't have endure endured you mustn't have endure endured they mustn't have endure endured
V-ing perfect
I mustn't have been endure enduring you mustn't have been endure enduring she mustn't have been endure enduring we mustn't have been endure enduring you mustn't have been endure enduring they mustn't have been endure enduring
Interrogative form
Simple form
must I endure endure? must you endure endure? must she endure endure? must we endure endure? must you endure endure? must they endure endure?
V-ing form
must I be endure enduring? must you be endure enduring? must she be endure enduring? must we be endure enduring? must you be endure enduring? must they be endure enduring?
Perfect
must I have endure endured? must you have endure endured? must she have endure endured? must we have endure endured? must you have endure endured? must they have endure endured?
V-ing perfect
must I have been endure enduring? must you have been endure enduring? must she have been endure enduring? must we have been endure enduring? must you have been endure enduring? must they have been endure enduring?
Interro-negative form
Simple form
mustn't I endure endure? mustn't you endure endure? mustn't she endure endure? mustn't we endure endure? mustn't you endure endure? mustn't they endure endure?
V-ing form
mustn't I be endure enduring? mustn't you be endure enduring? mustn't she be endure enduring? mustn't we be endure enduring? mustn't you be endure enduring? mustn't they be endure enduring?
Perfect
mustn't I have endure endured? mustn't you have endure endured? mustn't she have endure endured? mustn't we have endure endured? mustn't you have endure endured? mustn't they have endure endured?
V-ing perfect
mustn't I have been endure enduring? mustn't you have been endure enduring? mustn't she have been endure enduring? mustn't we have been endure enduring? mustn't you have been endure enduring? mustn't they have been endure enduring?