English verb conjugation
MUST FOG

Regular verb: fog - fogged - fogged

Affirmation

Simple form	V-ing form
I must fog you must fog he must fog we must fog you must fog they must fog	I must be fogging you must be fogging he 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 he 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 he 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 he 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 he 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 he 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 he 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 he fog? must we fog? must you fog? must they fog?	must I be fogging? must you be fogging? must he 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 he 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 he 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 he 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 he 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 he 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 he not have been fogging? must we not have been fogging? must you not have been fogging? must they not have been fogging?