I may fable you may fable she may fable we may fable you may fable they may fable
V-ing form
I may be fabling you may be fabling she may be fabling we may be fabling you may be fabling they may be fabling
Perfect
I may have fabled you may have fabled she may have fabled we may have fabled you may have fabled they may have fabled
V-ing perfect
I may have been fabling you may have been fabling she may have been fabling we may have been fabling you may have been fabling they may have been fabling
Negation
Simple form
I may not fable you may not fable she may not fable we may not fable you may not fable they may not fable
V-ing form
I may not be fabling you may not be fabling she may not be fabling we may not be fabling you may not be fabling they may not be fabling
Perfect
I may not have fabled you may not have fabled she may not have fabled we may not have fabled you may not have fabled they may not have fabled
V-ing perfect
I may not have been fabling you may not have been fabling she may not have been fabling we may not have been fabling you may not have been fabling they may not have been fabling
Interrogative form
Simple form
may I fable? may you fable? may she fable? may we fable? may you fable? may they fable?
V-ing form
may I be fabling? may you be fabling? may she be fabling? may we be fabling? may you be fabling? may they be fabling?
Perfect
may I have fabled? may you have fabled? may she have fabled? may we have fabled? may you have fabled? may they have fabled?
V-ing perfect
may I have been fabling? may you have been fabling? may she have been fabling? may we have been fabling? may you have been fabling? may they have been fabling?
Interro-negative form
Simple form
may I not fable? may you not fable? may she not fable? may we not fable? may you not fable? may they not fable?
V-ing form
may I not be fabling? may you not be fabling? may she not be fabling? may we not be fabling? may you not be fabling? may they not be fabling?
Perfect
may I not have fabled? may you not have fabled? may she not have fabled? may we not have fabled? may you not have fabled? may they not have fabled?
V-ing perfect
may I not have been fabling? may you not have been fabling? may she not have been fabling? may we not have been fabling? may you not have been fabling? may they not have been fabling?