English verb conjugation
MUST SLUG

Regular verb: slug - slugged - slugged

Affirmation

Simple form	V-ing form
I must slug you must slug she must slug we must slug you must slug they must slug	I must be slugging you must be slugging she 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 she 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 she 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 she 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 she 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 she 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 she 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 she slug? must we slug? must you slug? must they slug?	must I be slugging? must you be slugging? must she 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 she 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 she 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 she 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 she 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 she 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 she have been slugging? mustn't we have been slugging? mustn't you have been slugging? mustn't they have been slugging?