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