English verb conjugation
MUST SLUG

Regular verb: slug - slugged - slugged

Affirmation

Simple form	V-ing form
I must slug you must slug he must slug we must slug you must slug they must slug	I must be slugging you must be slugging he must be slugging we must be slugging you must be slugging they must be slugging
Perfect	V-ing perfect
I must have slugged you must have slugged he must have slugged we must have slugged you must have slugged they must have slugged	I must have been slugging you must have been slugging he must have been slugging we must have been slugging you must have been slugging they must have been slugging

Negation

Simple form	V-ing form
I mustn't slug you mustn't slug he mustn't slug we mustn't slug you mustn't slug they mustn't slug	I mustn't be slugging you mustn't be slugging he mustn't be slugging we mustn't be slugging you mustn't be slugging they mustn't be slugging
Perfect	V-ing perfect
I mustn't have slugged you mustn't have slugged he mustn't have slugged we mustn't have slugged you mustn't have slugged they mustn't have slugged	I mustn't have been slugging you mustn't have been slugging he mustn't have been slugging we mustn't have been slugging you mustn't have been slugging they mustn't have been slugging

Interrogative form

Simple form	V-ing form
must I slug? must you slug? must he slug? must we slug? must you slug? must they slug?	must I be slugging? must you be slugging? must he be slugging? must we be slugging? must you be slugging? must they be slugging?
Perfect	V-ing perfect
must I have slugged? must you have slugged? must he have slugged? must we have slugged? must you have slugged? must they have slugged?	must I have been slugging? must you have been slugging? must he have been slugging? must we have been slugging? must you have been slugging? must they have been slugging?

Interro-negative form

Simple form	V-ing form
mustn't I slug? mustn't you slug? mustn't he slug? mustn't we slug? mustn't you slug? mustn't they slug?	mustn't I be slugging? mustn't you be slugging? mustn't he be slugging? mustn't we be slugging? mustn't you be slugging? mustn't they be slugging?
Perfect	V-ing perfect
mustn't I have slugged? mustn't you have slugged? mustn't he have slugged? mustn't we have slugged? mustn't you have slugged? mustn't they have slugged?	mustn't I have been slugging? mustn't you have been slugging? mustn't he have been slugging? mustn't we have been slugging? mustn't you have been slugging? mustn't they have been slugging?