English verb conjugation
MUST RULE

Regular verb: rule - ruled - ruled

Affirmation

Simple form	V-ing form
I must rule you must rule she must rule we must rule you must rule they must rule	I must be ruling you must be ruling she must be ruling we must be ruling you must be ruling they must be ruling
Perfect	V-ing perfect
I must have ruled you must have ruled she must have ruled we must have ruled you must have ruled they must have ruled	I must have been ruling you must have been ruling she must have been ruling we must have been ruling you must have been ruling they must have been ruling

Negation

Simple form	V-ing form
I mustn't rule you mustn't rule she mustn't rule we mustn't rule you mustn't rule they mustn't rule	I mustn't be ruling you mustn't be ruling she mustn't be ruling we mustn't be ruling you mustn't be ruling they mustn't be ruling
Perfect	V-ing perfect
I mustn't have ruled you mustn't have ruled she mustn't have ruled we mustn't have ruled you mustn't have ruled they mustn't have ruled	I mustn't have been ruling you mustn't have been ruling she mustn't have been ruling we mustn't have been ruling you mustn't have been ruling they mustn't have been ruling

Interrogative form

Simple form	V-ing form
must I rule? must you rule? must she rule? must we rule? must you rule? must they rule?	must I be ruling? must you be ruling? must she be ruling? must we be ruling? must you be ruling? must they be ruling?
Perfect	V-ing perfect
must I have ruled? must you have ruled? must she have ruled? must we have ruled? must you have ruled? must they have ruled?	must I have been ruling? must you have been ruling? must she have been ruling? must we have been ruling? must you have been ruling? must they have been ruling?

Interro-negative form

Simple form	V-ing form
mustn't I rule? mustn't you rule? mustn't she rule? mustn't we rule? mustn't you rule? mustn't they rule?	mustn't I be ruling? mustn't you be ruling? mustn't she be ruling? mustn't we be ruling? mustn't you be ruling? mustn't they be ruling?
Perfect	V-ing perfect
mustn't I have ruled? mustn't you have ruled? mustn't she have ruled? mustn't we have ruled? mustn't you have ruled? mustn't they have ruled?	mustn't I have been ruling? mustn't you have been ruling? mustn't she have been ruling? mustn't we have been ruling? mustn't you have been ruling? mustn't they have been ruling?