English verb conjugation
MAY VITRIFY

Regular verb: vitrify - vitrified - vitrified

Affirmation

Simple form	V-ing form
I may vitrify you may vitrify he may vitrify we may vitrify you may vitrify they may vitrify	I may be vitrifying you may be vitrifying he may be vitrifying we may be vitrifying you may be vitrifying they may be vitrifying
Perfect	V-ing perfect
I may have vitrified you may have vitrified he may have vitrified we may have vitrified you may have vitrified they may have vitrified	I may have been vitrifying you may have been vitrifying he may have been vitrifying we may have been vitrifying you may have been vitrifying they may have been vitrifying

Negation

Simple form	V-ing form
I mayn't vitrify you mayn't vitrify he mayn't vitrify we mayn't vitrify you mayn't vitrify they mayn't vitrify	I mayn't be vitrifying you mayn't be vitrifying he mayn't be vitrifying we mayn't be vitrifying you mayn't be vitrifying they mayn't be vitrifying
Perfect	V-ing perfect
I mayn't have vitrified you mayn't have vitrified he mayn't have vitrified we mayn't have vitrified you mayn't have vitrified they mayn't have vitrified	I mayn't have been vitrifying you mayn't have been vitrifying he mayn't have been vitrifying we mayn't have been vitrifying you mayn't have been vitrifying they mayn't have been vitrifying

Interrogative form

Simple form	V-ing form
may I vitrify? may you vitrify? may he vitrify? may we vitrify? may you vitrify? may they vitrify?	may I be vitrifying? may you be vitrifying? may he be vitrifying? may we be vitrifying? may you be vitrifying? may they be vitrifying?
Perfect	V-ing perfect
may I have vitrified? may you have vitrified? may he have vitrified? may we have vitrified? may you have vitrified? may they have vitrified?	may I have been vitrifying? may you have been vitrifying? may he have been vitrifying? may we have been vitrifying? may you have been vitrifying? may they have been vitrifying?

Interro-negative form

Simple form	V-ing form
mayn't I vitrify? mayn't you vitrify? mayn't he vitrify? mayn't we vitrify? mayn't you vitrify? mayn't they vitrify?	mayn't I be vitrifying? mayn't you be vitrifying? mayn't he be vitrifying? mayn't we be vitrifying? mayn't you be vitrifying? mayn't they be vitrifying?
Perfect	V-ing perfect
mayn't I have vitrified? mayn't you have vitrified? mayn't he have vitrified? mayn't we have vitrified? mayn't you have vitrified? mayn't they have vitrified?	mayn't I have been vitrifying? mayn't you have been vitrifying? mayn't he have been vitrifying? mayn't we have been vitrifying? mayn't you have been vitrifying? mayn't they have been vitrifying?