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 must not prefabricate you must not prefabricate he must not prefabricate we must not prefabricate you must not prefabricate they must not prefabricate	I must not be prefabricating you must not be prefabricating he must not be prefabricating we must not be prefabricating you must not be prefabricating they must not be prefabricating
Perfect	V-ing perfect
I must not have prefabricated you must not have prefabricated he must not have prefabricated we must not have prefabricated you must not have prefabricated they must not have prefabricated	I must not have been prefabricating you must not have been prefabricating he must not have been prefabricating we must not have been prefabricating you must not have been prefabricating they must not 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
must I not prefabricate? must you not prefabricate? must he not prefabricate? must we not prefabricate? must you not prefabricate? must they not prefabricate?	must I not be prefabricating? must you not be prefabricating? must he not be prefabricating? must we not be prefabricating? must you not be prefabricating? must they not be prefabricating?
Perfect	V-ing perfect
must I not have prefabricated? must you not have prefabricated? must he not have prefabricated? must we not have prefabricated? must you not have prefabricated? must they not have prefabricated?	must I not have been prefabricating? must you not have been prefabricating? must he not have been prefabricating? must we not have been prefabricating? must you not have been prefabricating? must they not have been prefabricating?