English verb conjugation
MUST SUBMERGE

Regular verb: submerge - submerged - submerged

Affirmation

Simple form	V-ing form
I must submerge you must submerge he must submerge we must submerge you must submerge they must submerge	I must be submerging you must be submerging he 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 he 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 he 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 must not submerge you must not submerge he must not submerge we must not submerge you must not submerge they must not submerge	I must not be submerging you must not be submerging he must not be submerging we must not be submerging you must not be submerging they must not be submerging
Perfect	V-ing perfect
I must not have submerged you must not have submerged he must not have submerged we must not have submerged you must not have submerged they must not have submerged	I must not have been submerging you must not have been submerging he must not have been submerging we must not have been submerging you must not have been submerging they must not have been submerging

Interrogative form

Simple form	V-ing form
must I submerge? must you submerge? must he submerge? must we submerge? must you submerge? must they submerge?	must I be submerging? must you be submerging? must he 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 he 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 he 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
must I not submerge? must you not submerge? must he not submerge? must we not submerge? must you not submerge? must they not submerge?	must I not be submerging? must you not be submerging? must he not be submerging? must we not be submerging? must you not be submerging? must they not be submerging?
Perfect	V-ing perfect
must I not have submerged? must you not have submerged? must he not have submerged? must we not have submerged? must you not have submerged? must they not have submerged?	must I not have been submerging? must you not have been submerging? must he not have been submerging? must we not have been submerging? must you not have been submerging? must they not have been submerging?