English verb conjugation
MUST MICROFILM

Regular verb: microfilm - microfilmed - microfilmed

Affirmation

Simple form	V-ing form
I must microfilm you must microfilm she must microfilm we must microfilm you must microfilm they must microfilm	I must be microfilming you must be microfilming she must be microfilming we must be microfilming you must be microfilming they must be microfilming
Perfect	V-ing perfect
I must have microfilmed you must have microfilmed she must have microfilmed we must have microfilmed you must have microfilmed they must have microfilmed	I must have been microfilming you must have been microfilming she must have been microfilming we must have been microfilming you must have been microfilming they must have been microfilming

Negation

Simple form	V-ing form
I mustn't microfilm you mustn't microfilm she mustn't microfilm we mustn't microfilm you mustn't microfilm they mustn't microfilm	I mustn't be microfilming you mustn't be microfilming she mustn't be microfilming we mustn't be microfilming you mustn't be microfilming they mustn't be microfilming
Perfect	V-ing perfect
I mustn't have microfilmed you mustn't have microfilmed she mustn't have microfilmed we mustn't have microfilmed you mustn't have microfilmed they mustn't have microfilmed	I mustn't have been microfilming you mustn't have been microfilming she mustn't have been microfilming we mustn't have been microfilming you mustn't have been microfilming they mustn't have been microfilming

Interrogative form

Simple form	V-ing form
must I microfilm? must you microfilm? must she microfilm? must we microfilm? must you microfilm? must they microfilm?	must I be microfilming? must you be microfilming? must she be microfilming? must we be microfilming? must you be microfilming? must they be microfilming?
Perfect	V-ing perfect
must I have microfilmed? must you have microfilmed? must she have microfilmed? must we have microfilmed? must you have microfilmed? must they have microfilmed?	must I have been microfilming? must you have been microfilming? must she have been microfilming? must we have been microfilming? must you have been microfilming? must they have been microfilming?

Interro-negative form

Simple form	V-ing form
mustn't I microfilm? mustn't you microfilm? mustn't she microfilm? mustn't we microfilm? mustn't you microfilm? mustn't they microfilm?	mustn't I be microfilming? mustn't you be microfilming? mustn't she be microfilming? mustn't we be microfilming? mustn't you be microfilming? mustn't they be microfilming?
Perfect	V-ing perfect
mustn't I have microfilmed? mustn't you have microfilmed? mustn't she have microfilmed? mustn't we have microfilmed? mustn't you have microfilmed? mustn't they have microfilmed?	mustn't I have been microfilming? mustn't you have been microfilming? mustn't she have been microfilming? mustn't we have been microfilming? mustn't you have been microfilming? mustn't they have been microfilming?