English verb conjugation
MAY DRAUGHT-PROOF

Regular verb: draught-proof - draught-proofed - draught-proofed

Affirmation

Simple form	V-ing form
I may draught-proof you may draught-proof she may draught-proof we may draught-proof you may draught-proof they may draught-proof	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	V-ing 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	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	V-ing form
I mayn't draught-proof you mayn't draught-proof she mayn't draught-proof we mayn't draught-proof you mayn't draught-proof they mayn't draught-proof	I mayn't be draught-proofing you mayn't be draught-proofing she mayn't be draught-proofing we mayn't be draught-proofing you mayn't be draught-proofing they mayn't be draught-proofing
Perfect	V-ing perfect
I mayn't have draught-proofed you mayn't have draught-proofed she mayn't have draught-proofed we mayn't have draught-proofed you mayn't have draught-proofed they mayn't have draught-proofed	I mayn't have been draught-proofing you mayn't have been draught-proofing she mayn't have been draught-proofing we mayn't have been draught-proofing you mayn't have been draught-proofing they mayn't have been draught-proofing

Interrogative form

Simple form	V-ing 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?	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	V-ing 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?	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	V-ing form
mayn't I draught-proof? mayn't you draught-proof? mayn't she draught-proof? mayn't we draught-proof? mayn't you draught-proof? mayn't they draught-proof?	mayn't I be draught-proofing? mayn't you be draught-proofing? mayn't she be draught-proofing? mayn't we be draught-proofing? mayn't you be draught-proofing? mayn't they be draught-proofing?
Perfect	V-ing perfect
mayn't I have draught-proofed? mayn't you have draught-proofed? mayn't she have draught-proofed? mayn't we have draught-proofed? mayn't you have draught-proofed? mayn't they have draught-proofed?	mayn't I have been draught-proofing? mayn't you have been draught-proofing? mayn't she have been draught-proofing? mayn't we have been draught-proofing? mayn't you have been draught-proofing? mayn't they have been draught-proofing?