I may plow you may plow he may plow we may plow you may plow they may plow
V-ing form
I may be plowing you may be plowing he may be plowing we may be plowing you may be plowing they may be plowing
Perfect
I may have plowed you may have plowed he may have plowed we may have plowed you may have plowed they may have plowed
V-ing perfect
I may have been plowing you may have been plowing he may have been plowing we may have been plowing you may have been plowing they may have been plowing
Negation
Simple form
I mayn't plow you mayn't plow he mayn't plow we mayn't plow you mayn't plow they mayn't plow
V-ing form
I mayn't be plowing you mayn't be plowing he mayn't be plowing we mayn't be plowing you mayn't be plowing they mayn't be plowing
Perfect
I mayn't have plowed you mayn't have plowed he mayn't have plowed we mayn't have plowed you mayn't have plowed they mayn't have plowed
V-ing perfect
I mayn't have been plowing you mayn't have been plowing he mayn't have been plowing we mayn't have been plowing you mayn't have been plowing they mayn't have been plowing
Interrogative form
Simple form
may I plow? may you plow? may he plow? may we plow? may you plow? may they plow?
V-ing form
may I be plowing? may you be plowing? may he be plowing? may we be plowing? may you be plowing? may they be plowing?
Perfect
may I have plowed? may you have plowed? may he have plowed? may we have plowed? may you have plowed? may they have plowed?
V-ing perfect
may I have been plowing? may you have been plowing? may he have been plowing? may we have been plowing? may you have been plowing? may they have been plowing?
Interro-negative form
Simple form
mayn't I plow? mayn't you plow? mayn't he plow? mayn't we plow? mayn't you plow? mayn't they plow?
V-ing form
mayn't I be plowing? mayn't you be plowing? mayn't he be plowing? mayn't we be plowing? mayn't you be plowing? mayn't they be plowing?
Perfect
mayn't I have plowed? mayn't you have plowed? mayn't he have plowed? mayn't we have plowed? mayn't you have plowed? mayn't they have plowed?
V-ing perfect
mayn't I have been plowing? mayn't you have been plowing? mayn't he have been plowing? mayn't we have been plowing? mayn't you have been plowing? mayn't they have been plowing?