English verb conjugation
MUST PREFABRICATE

Regular verb: prefabricate - prefabricated - prefabricated

Affirmation

Simple form	V-ing form
I must prefabricate you must prefabricate he must prefabricate we must prefabricate you must prefabricate they must prefabricate	I must be prefabricating you must be prefabricating he must be prefabricating we must be prefabricating you must be prefabricating they must be prefabricating
Perfect	V-ing perfect
I must have prefabricated you must have prefabricated he must have prefabricated we must have prefabricated you must have prefabricated they must have prefabricated	I must have been prefabricating you must have been prefabricating he must have been prefabricating we must have been prefabricating you must have been prefabricating they must have been prefabricating

Negation

Simple form	V-ing form
I mustn't prefabricate you mustn't prefabricate he mustn't prefabricate we mustn't prefabricate you mustn't prefabricate they mustn't prefabricate	I mustn't be prefabricating you mustn't be prefabricating he mustn't be prefabricating we mustn't be prefabricating you mustn't be prefabricating they mustn't be prefabricating
Perfect	V-ing perfect
I mustn't have prefabricated you mustn't have prefabricated he mustn't have prefabricated we mustn't have prefabricated you mustn't have prefabricated they mustn't have prefabricated	I mustn't have been prefabricating you mustn't have been prefabricating he mustn't have been prefabricating we mustn't have been prefabricating you mustn't have been prefabricating they mustn't have been prefabricating

Interrogative form

Simple form	V-ing form
must I prefabricate? must you prefabricate? must he prefabricate? must we prefabricate? must you prefabricate? must they prefabricate?	must I be prefabricating? must you be prefabricating? must he be prefabricating? must we be prefabricating? must you be prefabricating? must they be prefabricating?
Perfect	V-ing perfect
must I have prefabricated? must you have prefabricated? must he have prefabricated? must we have prefabricated? must you have prefabricated? must they have prefabricated?	must I have been prefabricating? must you have been prefabricating? must he have been prefabricating? must we have been prefabricating? must you have been prefabricating? must they have been prefabricating?

Interro-negative form

Simple form	V-ing form
mustn't I prefabricate? mustn't you prefabricate? mustn't he prefabricate? mustn't we prefabricate? mustn't you prefabricate? mustn't they prefabricate?	mustn't I be prefabricating? mustn't you be prefabricating? mustn't he be prefabricating? mustn't we be prefabricating? mustn't you be prefabricating? mustn't they be prefabricating?
Perfect	V-ing perfect
mustn't I have prefabricated? mustn't you have prefabricated? mustn't he have prefabricated? mustn't we have prefabricated? mustn't you have prefabricated? mustn't they have prefabricated?	mustn't I have been prefabricating? mustn't you have been prefabricating? mustn't he have been prefabricating? mustn't we have been prefabricating? mustn't you have been prefabricating? mustn't they have been prefabricating?