may specialize
Regular verb: specialize - specialized- specialized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may specialize
you may specialize
he may specialize
we may specialize
you may specialize
they may specialize 	I may be specializing
you may be specializing
he may be specializing
we may be specializing
you may be specializing
they may be specializing	I may have specialized
you may have specialized
he may have specialized
we may have specialized
you may have specialized
they may have specialized	I may have been specializing
you may have been specializing
he may have been specializing
we may have been specializing
you may have been specializing
they may have been specializing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't specialize
you mayn't specialize
he mayn't specialize
we mayn't specialize
you mayn't specialize
they mayn't specialize 	I mayn't be specializing
you mayn't be specializing
he mayn't be specializing
we mayn't be specializing
you mayn't be specializing
they mayn't be specializing	I mayn't have specialized
you mayn't have specialized
he mayn't have specialized
we mayn't have specialized
you mayn't have specialized
they mayn't have specialized	I mayn't have been specializing
you mayn't have been specializing
he mayn't have been specializing
we mayn't have been specializing
you mayn't have been specializing
they mayn't have been specializing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I specialize?
may you specialize?
may he specialize?
may we specialize?
may you specialize?
may they specialize? 	may I be specializing?
may you be specializing?
may he be specializing?
may we be specializing?
may you be specializing?
may they be specializing? 	may I have specialized?
may you have specialized?
may he have specialized?
may we have specialized?
may you have specialized?
may they have specialized? 	may I have been specializing?
may you have been specializing?
may he have been specializing?
may we have been specializing?
may you have been specializing?
may they have been specializing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I specialize?
mayn't you specialize?
mayn't he specialize?
mayn't we specialize?
mayn't you specialize?
mayn't they specialize? 	mayn't I be specializing?
mayn't you be specializing?
mayn't he be specializing?
mayn't we be specializing?
mayn't you be specializing?
mayn't they be specializing? 	mayn't I have specialized?
mayn't you have specialized?
mayn't he have specialized?
mayn't we have specialized?
mayn't you have specialized?
mayn't they have specialized? 	mayn't I have been specializing?
mayn't you have been specializing?
mayn't he have been specializing?
mayn't we have been specializing?
mayn't you have been specializing?
mayn't they have been specializing?