English verb conjugation
MUST SURGE

Regular verb: surge - surged - surged

Affirmation

Simple form	V-ing form
I must surge you must surge he must surge we must surge you must surge they must surge	I must be surging you must be surging he must be surging we must be surging you must be surging they must be surging
Perfect	V-ing perfect
I must have surged you must have surged he must have surged we must have surged you must have surged they must have surged	I must have been surging you must have been surging he must have been surging we must have been surging you must have been surging they must have been surging

Negation

Simple form	V-ing form
I mustn't surge you mustn't surge he mustn't surge we mustn't surge you mustn't surge they mustn't surge	I mustn't be surging you mustn't be surging he mustn't be surging we mustn't be surging you mustn't be surging they mustn't be surging
Perfect	V-ing perfect
I mustn't have surged you mustn't have surged he mustn't have surged we mustn't have surged you mustn't have surged they mustn't have surged	I mustn't have been surging you mustn't have been surging he mustn't have been surging we mustn't have been surging you mustn't have been surging they mustn't have been surging

Interrogative form

Simple form	V-ing form
must I surge? must you surge? must he surge? must we surge? must you surge? must they surge?	must I be surging? must you be surging? must he be surging? must we be surging? must you be surging? must they be surging?
Perfect	V-ing perfect
must I have surged? must you have surged? must he have surged? must we have surged? must you have surged? must they have surged?	must I have been surging? must you have been surging? must he have been surging? must we have been surging? must you have been surging? must they have been surging?

Interro-negative form

Simple form	V-ing form
mustn't I surge? mustn't you surge? mustn't he surge? mustn't we surge? mustn't you surge? mustn't they surge?	mustn't I be surging? mustn't you be surging? mustn't he be surging? mustn't we be surging? mustn't you be surging? mustn't they be surging?
Perfect	V-ing perfect
mustn't I have surged? mustn't you have surged? mustn't he have surged? mustn't we have surged? mustn't you have surged? mustn't they have surged?	mustn't I have been surging? mustn't you have been surging? mustn't he have been surging? mustn't we have been surging? mustn't you have been surging? mustn't they have been surging?