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