English verb conjugation
MAY RETESTIFY

Regular verb: retestify - retestified - retestified

Affirmation

Simple form	V-ing form
I may retestify you may retestify he may retestify we may retestify you may retestify they may retestify	I may be retestifying you may be retestifying he may be retestifying we may be retestifying you may be retestifying they may be retestifying
Perfect	V-ing perfect
I may have retestified you may have retestified he may have retestified we may have retestified you may have retestified they may have retestified	I may have been retestifying you may have been retestifying he may have been retestifying we may have been retestifying you may have been retestifying they may have been retestifying

Negation

Simple form	V-ing form
I mayn't retestify you mayn't retestify he mayn't retestify we mayn't retestify you mayn't retestify they mayn't retestify	I mayn't be retestifying you mayn't be retestifying he mayn't be retestifying we mayn't be retestifying you mayn't be retestifying they mayn't be retestifying
Perfect	V-ing perfect
I mayn't have retestified you mayn't have retestified he mayn't have retestified we mayn't have retestified you mayn't have retestified they mayn't have retestified	I mayn't have been retestifying you mayn't have been retestifying he mayn't have been retestifying we mayn't have been retestifying you mayn't have been retestifying they mayn't have been retestifying

Interrogative form

Simple form	V-ing form
may I retestify? may you retestify? may he retestify? may we retestify? may you retestify? may they retestify?	may I be retestifying? may you be retestifying? may he be retestifying? may we be retestifying? may you be retestifying? may they be retestifying?
Perfect	V-ing perfect
may I have retestified? may you have retestified? may he have retestified? may we have retestified? may you have retestified? may they have retestified?	may I have been retestifying? may you have been retestifying? may he have been retestifying? may we have been retestifying? may you have been retestifying? may they have been retestifying?

Interro-negative form

Simple form	V-ing form
mayn't I retestify? mayn't you retestify? mayn't he retestify? mayn't we retestify? mayn't you retestify? mayn't they retestify?	mayn't I be retestifying? mayn't you be retestifying? mayn't he be retestifying? mayn't we be retestifying? mayn't you be retestifying? mayn't they be retestifying?
Perfect	V-ing perfect
mayn't I have retestified? mayn't you have retestified? mayn't he have retestified? mayn't we have retestified? mayn't you have retestified? mayn't they have retestified?	mayn't I have been retestifying? mayn't you have been retestifying? mayn't he have been retestifying? mayn't we have been retestifying? mayn't you have been retestifying? mayn't they have been retestifying?