English verb conjugation
MUST DOG

Regular verb: dog - dogged - dogged

Affirmation

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