may presterilize
Regular verb: presterilize - presterilized- presterilized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may presterilize
you may presterilize
he may presterilize
we may presterilize
you may presterilize
they may presterilize 	I may be presterilizing
you may be presterilizing
he may be presterilizing
we may be presterilizing
you may be presterilizing
they may be presterilizing	I may have presterilized
you may have presterilized
he may have presterilized
we may have presterilized
you may have presterilized
they may have presterilized	I may have been presterilizing
you may have been presterilizing
he may have been presterilizing
we may have been presterilizing
you may have been presterilizing
they may have been presterilizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't presterilize
you mayn't presterilize
he mayn't presterilize
we mayn't presterilize
you mayn't presterilize
they mayn't presterilize 	I mayn't be presterilizing
you mayn't be presterilizing
he mayn't be presterilizing
we mayn't be presterilizing
you mayn't be presterilizing
they mayn't be presterilizing	I mayn't have presterilized
you mayn't have presterilized
he mayn't have presterilized
we mayn't have presterilized
you mayn't have presterilized
they mayn't have presterilized	I mayn't have been presterilizing
you mayn't have been presterilizing
he mayn't have been presterilizing
we mayn't have been presterilizing
you mayn't have been presterilizing
they mayn't have been presterilizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I presterilize?
may you presterilize?
may he presterilize?
may we presterilize?
may you presterilize?
may they presterilize? 	may I be presterilizing?
may you be presterilizing?
may he be presterilizing?
may we be presterilizing?
may you be presterilizing?
may they be presterilizing? 	may I have presterilized?
may you have presterilized?
may he have presterilized?
may we have presterilized?
may you have presterilized?
may they have presterilized? 	may I have been presterilizing?
may you have been presterilizing?
may he have been presterilizing?
may we have been presterilizing?
may you have been presterilizing?
may they have been presterilizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I presterilize?
mayn't you presterilize?
mayn't he presterilize?
mayn't we presterilize?
mayn't you presterilize?
mayn't they presterilize? 	mayn't I be presterilizing?
mayn't you be presterilizing?
mayn't he be presterilizing?
mayn't we be presterilizing?
mayn't you be presterilizing?
mayn't they be presterilizing? 	mayn't I have presterilized?
mayn't you have presterilized?
mayn't he have presterilized?
mayn't we have presterilized?
mayn't you have presterilized?
mayn't they have presterilized? 	mayn't I have been presterilizing?
mayn't you have been presterilizing?
mayn't he have been presterilizing?
mayn't we have been presterilizing?
mayn't you have been presterilizing?
mayn't they have been presterilizing?