may deepen
Regular verb: deepen - deepened- deepened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may deepen
you may deepen
he may deepen
we may deepen
you may deepen
they may deepen 	I may be deepening
you may be deepening
he may be deepening
we may be deepening
you may be deepening
they may be deepening	I may have deepened
you may have deepened
he may have deepened
we may have deepened
you may have deepened
they may have deepened	I may have been deepening
you may have been deepening
he may have been deepening
we may have been deepening
you may have been deepening
they may have been deepening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't deepen
you mayn't deepen
he mayn't deepen
we mayn't deepen
you mayn't deepen
they mayn't deepen 	I mayn't be deepening
you mayn't be deepening
he mayn't be deepening
we mayn't be deepening
you mayn't be deepening
they mayn't be deepening	I mayn't have deepened
you mayn't have deepened
he mayn't have deepened
we mayn't have deepened
you mayn't have deepened
they mayn't have deepened	I mayn't have been deepening
you mayn't have been deepening
he mayn't have been deepening
we mayn't have been deepening
you mayn't have been deepening
they mayn't have been deepening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I deepen?
may you deepen?
may he deepen?
may we deepen?
may you deepen?
may they deepen? 	may I be deepening?
may you be deepening?
may he be deepening?
may we be deepening?
may you be deepening?
may they be deepening? 	may I have deepened?
may you have deepened?
may he have deepened?
may we have deepened?
may you have deepened?
may they have deepened? 	may I have been deepening?
may you have been deepening?
may he have been deepening?
may we have been deepening?
may you have been deepening?
may they have been deepening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I deepen?
mayn't you deepen?
mayn't he deepen?
mayn't we deepen?
mayn't you deepen?
mayn't they deepen? 	mayn't I be deepening?
mayn't you be deepening?
mayn't he be deepening?
mayn't we be deepening?
mayn't you be deepening?
mayn't they be deepening? 	mayn't I have deepened?
mayn't you have deepened?
mayn't he have deepened?
mayn't we have deepened?
mayn't you have deepened?
mayn't they have deepened? 	mayn't I have been deepening?
mayn't you have been deepening?
mayn't he have been deepening?
mayn't we have been deepening?
mayn't you have been deepening?
mayn't they have been deepening?