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