English verb conjugation
MUST SUBMERGE

Regular verb: submerge - submerged - submerged

Affirmation

Simple form	V-ing form
I must submerge you must submerge she must submerge we must submerge you must submerge they must submerge	I must be submerging you must be submerging she must be submerging we must be submerging you must be submerging they must be submerging
Perfect	V-ing perfect
I must have submerged you must have submerged she must have submerged we must have submerged you must have submerged they must have submerged	I must have been submerging you must have been submerging she must have been submerging we must have been submerging you must have been submerging they must have been submerging

Negation

Simple form	V-ing form
I mustn't submerge you mustn't submerge she mustn't submerge we mustn't submerge you mustn't submerge they mustn't submerge	I mustn't be submerging you mustn't be submerging she mustn't be submerging we mustn't be submerging you mustn't be submerging they mustn't be submerging
Perfect	V-ing perfect
I mustn't have submerged you mustn't have submerged she mustn't have submerged we mustn't have submerged you mustn't have submerged they mustn't have submerged	I mustn't have been submerging you mustn't have been submerging she mustn't have been submerging we mustn't have been submerging you mustn't have been submerging they mustn't have been submerging

Interrogative form

Simple form	V-ing form
must I submerge? must you submerge? must she submerge? must we submerge? must you submerge? must they submerge?	must I be submerging? must you be submerging? must she be submerging? must we be submerging? must you be submerging? must they be submerging?
Perfect	V-ing perfect
must I have submerged? must you have submerged? must she have submerged? must we have submerged? must you have submerged? must they have submerged?	must I have been submerging? must you have been submerging? must she have been submerging? must we have been submerging? must you have been submerging? must they have been submerging?

Interro-negative form

Simple form	V-ing form
mustn't I submerge? mustn't you submerge? mustn't she submerge? mustn't we submerge? mustn't you submerge? mustn't they submerge?	mustn't I be submerging? mustn't you be submerging? mustn't she be submerging? mustn't we be submerging? mustn't you be submerging? mustn't they be submerging?
Perfect	V-ing perfect
mustn't I have submerged? mustn't you have submerged? mustn't she have submerged? mustn't we have submerged? mustn't you have submerged? mustn't they have submerged?	mustn't I have been submerging? mustn't you have been submerging? mustn't she have been submerging? mustn't we have been submerging? mustn't you have been submerging? mustn't they have been submerging?