I may draught-proof you may draught-proof she may draught-proof we may draught-proof you may draught-proof they may draught-proof
V-ing form
I may be draught-proofing you may be draught-proofing she may be draught-proofing we may be draught-proofing you may be draught-proofing they may be draught-proofing
Perfect
I may have draught-proofed you may have draught-proofed she may have draught-proofed we may have draught-proofed you may have draught-proofed they may have draught-proofed
V-ing perfect
I may have been draught-proofing you may have been draught-proofing she may have been draught-proofing we may have been draught-proofing you may have been draught-proofing they may have been draught-proofing
Negation
Simple form
I may not draught-proof you may not draught-proof she may not draught-proof we may not draught-proof you may not draught-proof they may not draught-proof
V-ing form
I may not be draught-proofing you may not be draught-proofing she may not be draught-proofing we may not be draught-proofing you may not be draught-proofing they may not be draught-proofing
Perfect
I may not have draught-proofed you may not have draught-proofed she may not have draught-proofed we may not have draught-proofed you may not have draught-proofed they may not have draught-proofed
V-ing perfect
I may not have been draught-proofing you may not have been draught-proofing she may not have been draught-proofing we may not have been draught-proofing you may not have been draught-proofing they may not have been draught-proofing
Interrogative form
Simple form
may I draught-proof? may you draught-proof? may she draught-proof? may we draught-proof? may you draught-proof? may they draught-proof?
V-ing form
may I be draught-proofing? may you be draught-proofing? may she be draught-proofing? may we be draught-proofing? may you be draught-proofing? may they be draught-proofing?
Perfect
may I have draught-proofed? may you have draught-proofed? may she have draught-proofed? may we have draught-proofed? may you have draught-proofed? may they have draught-proofed?
V-ing perfect
may I have been draught-proofing? may you have been draught-proofing? may she have been draught-proofing? may we have been draught-proofing? may you have been draught-proofing? may they have been draught-proofing?
Interro-negative form
Simple form
may I not draught-proof? may you not draught-proof? may she not draught-proof? may we not draught-proof? may you not draught-proof? may they not draught-proof?
V-ing form
may I not be draught-proofing? may you not be draught-proofing? may she not be draught-proofing? may we not be draught-proofing? may you not be draught-proofing? may they not be draught-proofing?
Perfect
may I not have draught-proofed? may you not have draught-proofed? may she not have draught-proofed? may we not have draught-proofed? may you not have draught-proofed? may they not have draught-proofed?
V-ing perfect
may I not have been draught-proofing? may you not have been draught-proofing? may she not have been draught-proofing? may we not have been draught-proofing? may you not have been draught-proofing? may they not have been draught-proofing?