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 must not campaign you must not campaign she must not campaign we must not campaign you must not campaign they must not campaign	I must not be campaigning you must not be campaigning she must not be campaigning we must not be campaigning you must not be campaigning they must not be campaigning
Perfect	V-ing perfect
I must not have campaigned you must not have campaigned she must not have campaigned we must not have campaigned you must not have campaigned they must not have campaigned	I must not have been campaigning you must not have been campaigning she must not have been campaigning we must not have been campaigning you must not have been campaigning they must not 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
must I not campaign? must you not campaign? must she not campaign? must we not campaign? must you not campaign? must they not campaign?	must I not be campaigning? must you not be campaigning? must she not be campaigning? must we not be campaigning? must you not be campaigning? must they not be campaigning?
Perfect	V-ing perfect
must I not have campaigned? must you not have campaigned? must she not have campaigned? must we not have campaigned? must you not have campaigned? must they not have campaigned?	must I not have been campaigning? must you not have been campaigning? must she not have been campaigning? must we not have been campaigning? must you not have been campaigning? must they not have been campaigning?