English verb conjugation
MAY TESTIFY

Regular verb: testify - testified - testified

Affirmation

Simple form	V-ing form
I may testify you may testify she may testify we may testify you may testify they may testify	I may be testifying you may be testifying she may be testifying we may be testifying you may be testifying they may be testifying
Perfect	V-ing perfect
I may have testified you may have testified she may have testified we may have testified you may have testified they may have testified	I may have been testifying you may have been testifying she may have been testifying we may have been testifying you may have been testifying they may have been testifying

Negation

Simple form	V-ing form
I mayn't testify you mayn't testify she mayn't testify we mayn't testify you mayn't testify they mayn't testify	I mayn't be testifying you mayn't be testifying she mayn't be testifying we mayn't be testifying you mayn't be testifying they mayn't be testifying
Perfect	V-ing perfect
I mayn't have testified you mayn't have testified she mayn't have testified we mayn't have testified you mayn't have testified they mayn't have testified	I mayn't have been testifying you mayn't have been testifying she mayn't have been testifying we mayn't have been testifying you mayn't have been testifying they mayn't have been testifying

Interrogative form

Simple form	V-ing form
may I testify? may you testify? may she testify? may we testify? may you testify? may they testify?	may I be testifying? may you be testifying? may she be testifying? may we be testifying? may you be testifying? may they be testifying?
Perfect	V-ing perfect
may I have testified? may you have testified? may she have testified? may we have testified? may you have testified? may they have testified?	may I have been testifying? may you have been testifying? may she have been testifying? may we have been testifying? may you have been testifying? may they have been testifying?

Interro-negative form

Simple form	V-ing form
mayn't I testify? mayn't you testify? mayn't she testify? mayn't we testify? mayn't you testify? mayn't they testify?	mayn't I be testifying? mayn't you be testifying? mayn't she be testifying? mayn't we be testifying? mayn't you be testifying? mayn't they be testifying?
Perfect	V-ing perfect
mayn't I have testified? mayn't you have testified? mayn't she have testified? mayn't we have testified? mayn't you have testified? mayn't they have testified?	mayn't I have been testifying? mayn't you have been testifying? mayn't she have been testifying? mayn't we have been testifying? mayn't you have been testifying? mayn't they have been testifying?