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