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 may not send you may not send he may not send we may not send you may not send they may not send
V-ing form
I may not be sending you may not be sending he may not be sending we may not be sending you may not be sending they may not be sending
Perfect
I may not have sent you may not have sent he may not have sent we may not have sent you may not have sent they may not have sent
V-ing perfect
I may not have been sending you may not have been sending he may not have been sending we may not have been sending you may not have been sending they may not 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
may I not send? may you not send? may he not send? may we not send? may you not send? may they not send?
V-ing form
may I not be sending? may you not be sending? may he not be sending? may we not be sending? may you not be sending? may they not be sending?
Perfect
may I not have sent? may you not have sent? may he not have sent? may we not have sent? may you not have sent? may they not have sent?
V-ing perfect
may I not have been sending? may you not have been sending? may he not have been sending? may we not have been sending? may you not have been sending? may they not have been sending?