English verb conjugation
MAY WITNESS

Regular verb: witness - witnessed - witnessed

Affirmation

Simple form	V-ing form
I may witness you may witness she may witness we may witness you may witness they may witness	I may be witnessing you may be witnessing she may be witnessing we may be witnessing you may be witnessing they may be witnessing
Perfect	V-ing perfect
I may have witnessed you may have witnessed she may have witnessed we may have witnessed you may have witnessed they may have witnessed	I may have been witnessing you may have been witnessing she may have been witnessing we may have been witnessing you may have been witnessing they may have been witnessing

Negation

Simple form	V-ing form
I mayn't witness you mayn't witness she mayn't witness we mayn't witness you mayn't witness they mayn't witness	I mayn't be witnessing you mayn't be witnessing she mayn't be witnessing we mayn't be witnessing you mayn't be witnessing they mayn't be witnessing
Perfect	V-ing perfect
I mayn't have witnessed you mayn't have witnessed she mayn't have witnessed we mayn't have witnessed you mayn't have witnessed they mayn't have witnessed	I mayn't have been witnessing you mayn't have been witnessing she mayn't have been witnessing we mayn't have been witnessing you mayn't have been witnessing they mayn't have been witnessing

Interrogative form

Simple form	V-ing form
may I witness? may you witness? may she witness? may we witness? may you witness? may they witness?	may I be witnessing? may you be witnessing? may she be witnessing? may we be witnessing? may you be witnessing? may they be witnessing?
Perfect	V-ing perfect
may I have witnessed? may you have witnessed? may she have witnessed? may we have witnessed? may you have witnessed? may they have witnessed?	may I have been witnessing? may you have been witnessing? may she have been witnessing? may we have been witnessing? may you have been witnessing? may they have been witnessing?

Interro-negative form

Simple form	V-ing form
mayn't I witness? mayn't you witness? mayn't she witness? mayn't we witness? mayn't you witness? mayn't they witness?	mayn't I be witnessing? mayn't you be witnessing? mayn't she be witnessing? mayn't we be witnessing? mayn't you be witnessing? mayn't they be witnessing?
Perfect	V-ing perfect
mayn't I have witnessed? mayn't you have witnessed? mayn't she have witnessed? mayn't we have witnessed? mayn't you have witnessed? mayn't they have witnessed?	mayn't I have been witnessing? mayn't you have been witnessing? mayn't she have been witnessing? mayn't we have been witnessing? mayn't you have been witnessing? mayn't they have been witnessing?