may diagram
Regular verb: diagram - diagramed- diagramed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may diagram
you may diagram
he may diagram
we may diagram
you may diagram
they may diagram 	I may be diagraming
you may be diagraming
he may be diagraming
we may be diagraming
you may be diagraming
they may be diagraming	I may have diagramed
you may have diagramed
he may have diagramed
we may have diagramed
you may have diagramed
they may have diagramed	I may have been diagraming
you may have been diagraming
he may have been diagraming
we may have been diagraming
you may have been diagraming
they may have been diagraming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't diagram
you mayn't diagram
he mayn't diagram
we mayn't diagram
you mayn't diagram
they mayn't diagram 	I mayn't be diagraming
you mayn't be diagraming
he mayn't be diagraming
we mayn't be diagraming
you mayn't be diagraming
they mayn't be diagraming	I mayn't have diagramed
you mayn't have diagramed
he mayn't have diagramed
we mayn't have diagramed
you mayn't have diagramed
they mayn't have diagramed	I mayn't have been diagraming
you mayn't have been diagraming
he mayn't have been diagraming
we mayn't have been diagraming
you mayn't have been diagraming
they mayn't have been diagraming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I diagram?
may you diagram?
may he diagram?
may we diagram?
may you diagram?
may they diagram? 	may I be diagraming?
may you be diagraming?
may he be diagraming?
may we be diagraming?
may you be diagraming?
may they be diagraming? 	may I have diagramed?
may you have diagramed?
may he have diagramed?
may we have diagramed?
may you have diagramed?
may they have diagramed? 	may I have been diagraming?
may you have been diagraming?
may he have been diagraming?
may we have been diagraming?
may you have been diagraming?
may they have been diagraming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I diagram?
mayn't you diagram?
mayn't he diagram?
mayn't we diagram?
mayn't you diagram?
mayn't they diagram? 	mayn't I be diagraming?
mayn't you be diagraming?
mayn't he be diagraming?
mayn't we be diagraming?
mayn't you be diagraming?
mayn't they be diagraming? 	mayn't I have diagramed?
mayn't you have diagramed?
mayn't he have diagramed?
mayn't we have diagramed?
mayn't you have diagramed?
mayn't they have diagramed? 	mayn't I have been diagraming?
mayn't you have been diagraming?
mayn't he have been diagraming?
mayn't we have been diagraming?
mayn't you have been diagraming?
mayn't they have been diagraming?