English verb conjugation
MUST MANUFACTURE

Regular verb: manufacture - manufactured - manufactured

Affirmation

Simple form	V-ing form
I must manufacture you must manufacture she must manufacture we must manufacture you must manufacture they must manufacture	I must be manufacturing you must be manufacturing she must be manufacturing we must be manufacturing you must be manufacturing they must be manufacturing
Perfect	V-ing perfect
I must have manufactured you must have manufactured she must have manufactured we must have manufactured you must have manufactured they must have manufactured	I must have been manufacturing you must have been manufacturing she must have been manufacturing we must have been manufacturing you must have been manufacturing they must have been manufacturing

Negation

Simple form	V-ing form
I mustn't manufacture you mustn't manufacture she mustn't manufacture we mustn't manufacture you mustn't manufacture they mustn't manufacture	I mustn't be manufacturing you mustn't be manufacturing she mustn't be manufacturing we mustn't be manufacturing you mustn't be manufacturing they mustn't be manufacturing
Perfect	V-ing perfect
I mustn't have manufactured you mustn't have manufactured she mustn't have manufactured we mustn't have manufactured you mustn't have manufactured they mustn't have manufactured	I mustn't have been manufacturing you mustn't have been manufacturing she mustn't have been manufacturing we mustn't have been manufacturing you mustn't have been manufacturing they mustn't have been manufacturing

Interrogative form

Simple form	V-ing form
must I manufacture? must you manufacture? must she manufacture? must we manufacture? must you manufacture? must they manufacture?	must I be manufacturing? must you be manufacturing? must she be manufacturing? must we be manufacturing? must you be manufacturing? must they be manufacturing?
Perfect	V-ing perfect
must I have manufactured? must you have manufactured? must she have manufactured? must we have manufactured? must you have manufactured? must they have manufactured?	must I have been manufacturing? must you have been manufacturing? must she have been manufacturing? must we have been manufacturing? must you have been manufacturing? must they have been manufacturing?

Interro-negative form

Simple form	V-ing form
mustn't I manufacture? mustn't you manufacture? mustn't she manufacture? mustn't we manufacture? mustn't you manufacture? mustn't they manufacture?	mustn't I be manufacturing? mustn't you be manufacturing? mustn't she be manufacturing? mustn't we be manufacturing? mustn't you be manufacturing? mustn't they be manufacturing?
Perfect	V-ing perfect
mustn't I have manufactured? mustn't you have manufactured? mustn't she have manufactured? mustn't we have manufactured? mustn't you have manufactured? mustn't they have manufactured?	mustn't I have been manufacturing? mustn't you have been manufacturing? mustn't she have been manufacturing? mustn't we have been manufacturing? mustn't you have been manufacturing? mustn't they have been manufacturing?