English verb conjugation
MAY INTERVENE

Regular verb: intervene - intervened - intervened

Affirmation

Simple form	V-ing form
I may intervene you may intervene she may intervene we may intervene you may intervene they may intervene	I may be intervening you may be intervening she may be intervening we may be intervening you may be intervening they may be intervening
Perfect	V-ing perfect
I may have intervened you may have intervened she may have intervened we may have intervened you may have intervened they may have intervened	I may have been intervening you may have been intervening she may have been intervening we may have been intervening you may have been intervening they may have been intervening

Negation

Simple form	V-ing form
I may not intervene you may not intervene she may not intervene we may not intervene you may not intervene they may not intervene	I may not be intervening you may not be intervening she may not be intervening we may not be intervening you may not be intervening they may not be intervening
Perfect	V-ing perfect
I may not have intervened you may not have intervened she may not have intervened we may not have intervened you may not have intervened they may not have intervened	I may not have been intervening you may not have been intervening she may not have been intervening we may not have been intervening you may not have been intervening they may not have been intervening

Interrogative form

Simple form	V-ing form
may I intervene? may you intervene? may she intervene? may we intervene? may you intervene? may they intervene?	may I be intervening? may you be intervening? may she be intervening? may we be intervening? may you be intervening? may they be intervening?
Perfect	V-ing perfect
may I have intervened? may you have intervened? may she have intervened? may we have intervened? may you have intervened? may they have intervened?	may I have been intervening? may you have been intervening? may she have been intervening? may we have been intervening? may you have been intervening? may they have been intervening?

Interro-negative form

Simple form	V-ing form
may I not intervene? may you not intervene? may she not intervene? may we not intervene? may you not intervene? may they not intervene?	may I not be intervening? may you not be intervening? may she not be intervening? may we not be intervening? may you not be intervening? may they not be intervening?
Perfect	V-ing perfect
may I not have intervened? may you not have intervened? may she not have intervened? may we not have intervened? may you not have intervened? may they not have intervened?	may I not have been intervening? may you not have been intervening? may she not have been intervening? may we not have been intervening? may you not have been intervening? may they not have been intervening?