I may premanufacture you may premanufacture he may premanufacture we may premanufacture you may premanufacture they may premanufacture
V-ing form
I may be premanufacturing you may be premanufacturing he may be premanufacturing we may be premanufacturing you may be premanufacturing they may be premanufacturing
Perfect
I may have premanufactured you may have premanufactured he 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 he 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 he 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 he 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 he 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 he 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 he premanufacture? may we premanufacture? may you premanufacture? may they premanufacture?
V-ing form
may I be premanufacturing? may you be premanufacturing? may he be premanufacturing? may we be premanufacturing? may you be premanufacturing? may they be premanufacturing?
Perfect
may I have premanufactured? may you have premanufactured? may he 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 he 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 he 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 he 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 he 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 he have been premanufacturing? mayn't we have been premanufacturing? mayn't you have been premanufacturing? mayn't they have been premanufacturing?