may showcase
Regular verb: showcase - showcased- showcased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may showcase
you may showcase
he may showcase
we may showcase
you may showcase
they may showcase 	I may be showcasing
you may be showcasing
he may be showcasing
we may be showcasing
you may be showcasing
they may be showcasing	I may have showcased
you may have showcased
he may have showcased
we may have showcased
you may have showcased
they may have showcased	I may have been showcasing
you may have been showcasing
he may have been showcasing
we may have been showcasing
you may have been showcasing
they may have been showcasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't showcase
you mayn't showcase
he mayn't showcase
we mayn't showcase
you mayn't showcase
they mayn't showcase 	I mayn't be showcasing
you mayn't be showcasing
he mayn't be showcasing
we mayn't be showcasing
you mayn't be showcasing
they mayn't be showcasing	I mayn't have showcased
you mayn't have showcased
he mayn't have showcased
we mayn't have showcased
you mayn't have showcased
they mayn't have showcased	I mayn't have been showcasing
you mayn't have been showcasing
he mayn't have been showcasing
we mayn't have been showcasing
you mayn't have been showcasing
they mayn't have been showcasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I showcase?
may you showcase?
may he showcase?
may we showcase?
may you showcase?
may they showcase? 	may I be showcasing?
may you be showcasing?
may he be showcasing?
may we be showcasing?
may you be showcasing?
may they be showcasing? 	may I have showcased?
may you have showcased?
may he have showcased?
may we have showcased?
may you have showcased?
may they have showcased? 	may I have been showcasing?
may you have been showcasing?
may he have been showcasing?
may we have been showcasing?
may you have been showcasing?
may they have been showcasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I showcase?
mayn't you showcase?
mayn't he showcase?
mayn't we showcase?
mayn't you showcase?
mayn't they showcase? 	mayn't I be showcasing?
mayn't you be showcasing?
mayn't he be showcasing?
mayn't we be showcasing?
mayn't you be showcasing?
mayn't they be showcasing? 	mayn't I have showcased?
mayn't you have showcased?
mayn't he have showcased?
mayn't we have showcased?
mayn't you have showcased?
mayn't they have showcased? 	mayn't I have been showcasing?
mayn't you have been showcasing?
mayn't he have been showcasing?
mayn't we have been showcasing?
mayn't you have been showcasing?
mayn't they have been showcasing?