English verb conjugation
MUST DOG

Regular verb: dog - dogged - dogged

Affirmation

Simple form	V-ing form
I must dog you must dog she must dog we must dog you must dog they must dog	I must be dogging you must be dogging she must be dogging we must be dogging you must be dogging they must be dogging
Perfect	V-ing perfect
I must have dogged you must have dogged she must have dogged we must have dogged you must have dogged they must have dogged	I must have been dogging you must have been dogging she must have been dogging we must have been dogging you must have been dogging they must have been dogging

Negation

Simple form	V-ing form
I must not dog you must not dog she must not dog we must not dog you must not dog they must not dog	I must not be dogging you must not be dogging she must not be dogging we must not be dogging you must not be dogging they must not be dogging
Perfect	V-ing perfect
I must not have dogged you must not have dogged she must not have dogged we must not have dogged you must not have dogged they must not have dogged	I must not have been dogging you must not have been dogging she must not have been dogging we must not have been dogging you must not have been dogging they must not have been dogging

Interrogative form

Simple form	V-ing form
must I dog? must you dog? must she dog? must we dog? must you dog? must they dog?	must I be dogging? must you be dogging? must she be dogging? must we be dogging? must you be dogging? must they be dogging?
Perfect	V-ing perfect
must I have dogged? must you have dogged? must she have dogged? must we have dogged? must you have dogged? must they have dogged?	must I have been dogging? must you have been dogging? must she have been dogging? must we have been dogging? must you have been dogging? must they have been dogging?

Interro-negative form

Simple form	V-ing form
must I not dog? must you not dog? must she not dog? must we not dog? must you not dog? must they not dog?	must I not be dogging? must you not be dogging? must she not be dogging? must we not be dogging? must you not be dogging? must they not be dogging?
Perfect	V-ing perfect
must I not have dogged? must you not have dogged? must she not have dogged? must we not have dogged? must you not have dogged? must they not have dogged?	must I not have been dogging? must you not have been dogging? must she not have been dogging? must we not have been dogging? must you not have been dogging? must they not have been dogging?