English verb conjugation
MUST CAMPAIGN

Regular verb: campaign - campaigned - campaigned

Affirmation

Simple form	V-ing form
I must campaign you must campaign she must campaign we must campaign you must campaign they must campaign	I must be campaigning you must be campaigning she must be campaigning we must be campaigning you must be campaigning they must be campaigning
Perfect	V-ing perfect
I must have campaigned you must have campaigned she must have campaigned we must have campaigned you must have campaigned they must have campaigned	I must have been campaigning you must have been campaigning she must have been campaigning we must have been campaigning you must have been campaigning they must have been campaigning

Negation

Simple form	V-ing form
I mustn't campaign you mustn't campaign she mustn't campaign we mustn't campaign you mustn't campaign they mustn't campaign	I mustn't be campaigning you mustn't be campaigning she mustn't be campaigning we mustn't be campaigning you mustn't be campaigning they mustn't be campaigning
Perfect	V-ing perfect
I mustn't have campaigned you mustn't have campaigned she mustn't have campaigned we mustn't have campaigned you mustn't have campaigned they mustn't have campaigned	I mustn't have been campaigning you mustn't have been campaigning she mustn't have been campaigning we mustn't have been campaigning you mustn't have been campaigning they mustn't have been campaigning

Interrogative form

Simple form	V-ing form
must I campaign? must you campaign? must she campaign? must we campaign? must you campaign? must they campaign?	must I be campaigning? must you be campaigning? must she be campaigning? must we be campaigning? must you be campaigning? must they be campaigning?
Perfect	V-ing perfect
must I have campaigned? must you have campaigned? must she have campaigned? must we have campaigned? must you have campaigned? must they have campaigned?	must I have been campaigning? must you have been campaigning? must she have been campaigning? must we have been campaigning? must you have been campaigning? must they have been campaigning?

Interro-negative form

Simple form	V-ing form
mustn't I campaign? mustn't you campaign? mustn't she campaign? mustn't we campaign? mustn't you campaign? mustn't they campaign?	mustn't I be campaigning? mustn't you be campaigning? mustn't she be campaigning? mustn't we be campaigning? mustn't you be campaigning? mustn't they be campaigning?
Perfect	V-ing perfect
mustn't I have campaigned? mustn't you have campaigned? mustn't she have campaigned? mustn't we have campaigned? mustn't you have campaigned? mustn't they have campaigned?	mustn't I have been campaigning? mustn't you have been campaigning? mustn't she have been campaigning? mustn't we have been campaigning? mustn't you have been campaigning? mustn't they have been campaigning?