English verb conjugation
MUST FOG

Regular verb: fog - fogged - fogged

Affirmation

Simple form	V-ing form
I must fog you must fog she must fog we must fog you must fog they must fog	I must be fogging you must be fogging she must be fogging we must be fogging you must be fogging they must be fogging
Perfect	V-ing perfect
I must have fogged you must have fogged she must have fogged we must have fogged you must have fogged they must have fogged	I must have been fogging you must have been fogging she must have been fogging we must have been fogging you must have been fogging they must have been fogging

Negation

Simple form	V-ing form
I must not fog you must not fog she must not fog we must not fog you must not fog they must not fog	I must not be fogging you must not be fogging she must not be fogging we must not be fogging you must not be fogging they must not be fogging
Perfect	V-ing perfect
I must not have fogged you must not have fogged she must not have fogged we must not have fogged you must not have fogged they must not have fogged	I must not have been fogging you must not have been fogging she must not have been fogging we must not have been fogging you must not have been fogging they must not have been fogging

Interrogative form

Simple form	V-ing form
must I fog? must you fog? must she fog? must we fog? must you fog? must they fog?	must I be fogging? must you be fogging? must she be fogging? must we be fogging? must you be fogging? must they be fogging?
Perfect	V-ing perfect
must I have fogged? must you have fogged? must she have fogged? must we have fogged? must you have fogged? must they have fogged?	must I have been fogging? must you have been fogging? must she have been fogging? must we have been fogging? must you have been fogging? must they have been fogging?

Interro-negative form

Simple form	V-ing form
must I not fog? must you not fog? must she not fog? must we not fog? must you not fog? must they not fog?	must I not be fogging? must you not be fogging? must she not be fogging? must we not be fogging? must you not be fogging? must they not be fogging?
Perfect	V-ing perfect
must I not have fogged? must you not have fogged? must she not have fogged? must we not have fogged? must you not have fogged? must they not have fogged?	must I not have been fogging? must you not have been fogging? must she not have been fogging? must we not have been fogging? must you not have been fogging? must they not have been fogging?