I must premanufacture you must premanufacture he must premanufacture we must premanufacture you must premanufacture they must premanufacture
V-ing form
I must be premanufacturing you must be premanufacturing he must be premanufacturing we must be premanufacturing you must be premanufacturing they must be premanufacturing
Perfect
I must have premanufactured you must have premanufactured he must have premanufactured we must have premanufactured you must have premanufactured they must have premanufactured
V-ing perfect
I must have been premanufacturing you must have been premanufacturing he must have been premanufacturing we must have been premanufacturing you must have been premanufacturing they must have been premanufacturing
Negation
Simple form
I mustn't premanufacture you mustn't premanufacture he mustn't premanufacture we mustn't premanufacture you mustn't premanufacture they mustn't premanufacture
V-ing form
I mustn't be premanufacturing you mustn't be premanufacturing he mustn't be premanufacturing we mustn't be premanufacturing you mustn't be premanufacturing they mustn't be premanufacturing
Perfect
I mustn't have premanufactured you mustn't have premanufactured he mustn't have premanufactured we mustn't have premanufactured you mustn't have premanufactured they mustn't have premanufactured
V-ing perfect
I mustn't have been premanufacturing you mustn't have been premanufacturing he mustn't have been premanufacturing we mustn't have been premanufacturing you mustn't have been premanufacturing they mustn't have been premanufacturing
Interrogative form
Simple form
must I premanufacture? must you premanufacture? must he premanufacture? must we premanufacture? must you premanufacture? must they premanufacture?
V-ing form
must I be premanufacturing? must you be premanufacturing? must he be premanufacturing? must we be premanufacturing? must you be premanufacturing? must they be premanufacturing?
Perfect
must I have premanufactured? must you have premanufactured? must he have premanufactured? must we have premanufactured? must you have premanufactured? must they have premanufactured?
V-ing perfect
must I have been premanufacturing? must you have been premanufacturing? must he have been premanufacturing? must we have been premanufacturing? must you have been premanufacturing? must they have been premanufacturing?
Interro-negative form
Simple form
mustn't I premanufacture? mustn't you premanufacture? mustn't he premanufacture? mustn't we premanufacture? mustn't you premanufacture? mustn't they premanufacture?
V-ing form
mustn't I be premanufacturing? mustn't you be premanufacturing? mustn't he be premanufacturing? mustn't we be premanufacturing? mustn't you be premanufacturing? mustn't they be premanufacturing?
Perfect
mustn't I have premanufactured? mustn't you have premanufactured? mustn't he have premanufactured? mustn't we have premanufactured? mustn't you have premanufactured? mustn't they have premanufactured?
V-ing perfect
mustn't I have been premanufacturing? mustn't you have been premanufacturing? mustn't he have been premanufacturing? mustn't we have been premanufacturing? mustn't you have been premanufacturing? mustn't they have been premanufacturing?