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 mustn't dog you mustn't dog she mustn't dog we mustn't dog you mustn't dog they mustn't dog	I mustn't be dogging you mustn't be dogging she mustn't be dogging we mustn't be dogging you mustn't be dogging they mustn't be dogging
Perfect	V-ing perfect
I mustn't have dogged you mustn't have dogged she mustn't have dogged we mustn't have dogged you mustn't have dogged they mustn't have dogged	I mustn't have been dogging you mustn't have been dogging she mustn't have been dogging we mustn't have been dogging you mustn't have been dogging they mustn't 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
mustn't I dog? mustn't you dog? mustn't she dog? mustn't we dog? mustn't you dog? mustn't they dog?	mustn't I be dogging? mustn't you be dogging? mustn't she be dogging? mustn't we be dogging? mustn't you be dogging? mustn't they be dogging?
Perfect	V-ing perfect
mustn't I have dogged? mustn't you have dogged? mustn't she have dogged? mustn't we have dogged? mustn't you have dogged? mustn't they have dogged?	mustn't I have been dogging? mustn't you have been dogging? mustn't she have been dogging? mustn't we have been dogging? mustn't you have been dogging? mustn't they have been dogging?