may harbinger
Regular verb: harbinger - harbingered- harbingered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may harbinger
you may harbinger
he may harbinger
we may harbinger
you may harbinger
they may harbinger 	I may be harbingering
you may be harbingering
he may be harbingering
we may be harbingering
you may be harbingering
they may be harbingering	I may have harbingered
you may have harbingered
he may have harbingered
we may have harbingered
you may have harbingered
they may have harbingered	I may have been harbingering
you may have been harbingering
he may have been harbingering
we may have been harbingering
you may have been harbingering
they may have been harbingering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't harbinger
you mayn't harbinger
he mayn't harbinger
we mayn't harbinger
you mayn't harbinger
they mayn't harbinger 	I mayn't be harbingering
you mayn't be harbingering
he mayn't be harbingering
we mayn't be harbingering
you mayn't be harbingering
they mayn't be harbingering	I mayn't have harbingered
you mayn't have harbingered
he mayn't have harbingered
we mayn't have harbingered
you mayn't have harbingered
they mayn't have harbingered	I mayn't have been harbingering
you mayn't have been harbingering
he mayn't have been harbingering
we mayn't have been harbingering
you mayn't have been harbingering
they mayn't have been harbingering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I harbinger?
may you harbinger?
may he harbinger?
may we harbinger?
may you harbinger?
may they harbinger? 	may I be harbingering?
may you be harbingering?
may he be harbingering?
may we be harbingering?
may you be harbingering?
may they be harbingering? 	may I have harbingered?
may you have harbingered?
may he have harbingered?
may we have harbingered?
may you have harbingered?
may they have harbingered? 	may I have been harbingering?
may you have been harbingering?
may he have been harbingering?
may we have been harbingering?
may you have been harbingering?
may they have been harbingering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I harbinger?
mayn't you harbinger?
mayn't he harbinger?
mayn't we harbinger?
mayn't you harbinger?
mayn't they harbinger? 	mayn't I be harbingering?
mayn't you be harbingering?
mayn't he be harbingering?
mayn't we be harbingering?
mayn't you be harbingering?
mayn't they be harbingering? 	mayn't I have harbingered?
mayn't you have harbingered?
mayn't he have harbingered?
mayn't we have harbingered?
mayn't you have harbingered?
mayn't they have harbingered? 	mayn't I have been harbingering?
mayn't you have been harbingering?
mayn't he have been harbingering?
mayn't we have been harbingering?
mayn't you have been harbingering?
mayn't they have been harbingering?