English verb conjugation
MUST DREDGE

Regular verb: dredge - dredged - dredged

Affirmation

Simple form	V-ing form
I must dredge you must dredge he must dredge we must dredge you must dredge they must dredge	I must be dredging you must be dredging he must be dredging we must be dredging you must be dredging they must be dredging
Perfect	V-ing perfect
I must have dredged you must have dredged he must have dredged we must have dredged you must have dredged they must have dredged	I must have been dredging you must have been dredging he must have been dredging we must have been dredging you must have been dredging they must have been dredging

Negation

Simple form	V-ing form
I mustn't dredge you mustn't dredge he mustn't dredge we mustn't dredge you mustn't dredge they mustn't dredge	I mustn't be dredging you mustn't be dredging he mustn't be dredging we mustn't be dredging you mustn't be dredging they mustn't be dredging
Perfect	V-ing perfect
I mustn't have dredged you mustn't have dredged he mustn't have dredged we mustn't have dredged you mustn't have dredged they mustn't have dredged	I mustn't have been dredging you mustn't have been dredging he mustn't have been dredging we mustn't have been dredging you mustn't have been dredging they mustn't have been dredging

Interrogative form

Simple form	V-ing form
must I dredge? must you dredge? must he dredge? must we dredge? must you dredge? must they dredge?	must I be dredging? must you be dredging? must he be dredging? must we be dredging? must you be dredging? must they be dredging?
Perfect	V-ing perfect
must I have dredged? must you have dredged? must he have dredged? must we have dredged? must you have dredged? must they have dredged?	must I have been dredging? must you have been dredging? must he have been dredging? must we have been dredging? must you have been dredging? must they have been dredging?

Interro-negative form

Simple form	V-ing form
mustn't I dredge? mustn't you dredge? mustn't he dredge? mustn't we dredge? mustn't you dredge? mustn't they dredge?	mustn't I be dredging? mustn't you be dredging? mustn't he be dredging? mustn't we be dredging? mustn't you be dredging? mustn't they be dredging?
Perfect	V-ing perfect
mustn't I have dredged? mustn't you have dredged? mustn't he have dredged? mustn't we have dredged? mustn't you have dredged? mustn't they have dredged?	mustn't I have been dredging? mustn't you have been dredging? mustn't he have been dredging? mustn't we have been dredging? mustn't you have been dredging? mustn't they have been dredging?