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