may serrate
Regular verb: serrate - serrated- serrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may serrate
you may serrate
he may serrate
we may serrate
you may serrate
they may serrate 	I may be serrating
you may be serrating
he may be serrating
we may be serrating
you may be serrating
they may be serrating	I may have serrated
you may have serrated
he may have serrated
we may have serrated
you may have serrated
they may have serrated	I may have been serrating
you may have been serrating
he may have been serrating
we may have been serrating
you may have been serrating
they may have been serrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't serrate
you mayn't serrate
he mayn't serrate
we mayn't serrate
you mayn't serrate
they mayn't serrate 	I mayn't be serrating
you mayn't be serrating
he mayn't be serrating
we mayn't be serrating
you mayn't be serrating
they mayn't be serrating	I mayn't have serrated
you mayn't have serrated
he mayn't have serrated
we mayn't have serrated
you mayn't have serrated
they mayn't have serrated	I mayn't have been serrating
you mayn't have been serrating
he mayn't have been serrating
we mayn't have been serrating
you mayn't have been serrating
they mayn't have been serrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I serrate?
may you serrate?
may he serrate?
may we serrate?
may you serrate?
may they serrate? 	may I be serrating?
may you be serrating?
may he be serrating?
may we be serrating?
may you be serrating?
may they be serrating? 	may I have serrated?
may you have serrated?
may he have serrated?
may we have serrated?
may you have serrated?
may they have serrated? 	may I have been serrating?
may you have been serrating?
may he have been serrating?
may we have been serrating?
may you have been serrating?
may they have been serrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I serrate?
mayn't you serrate?
mayn't he serrate?
mayn't we serrate?
mayn't you serrate?
mayn't they serrate? 	mayn't I be serrating?
mayn't you be serrating?
mayn't he be serrating?
mayn't we be serrating?
mayn't you be serrating?
mayn't they be serrating? 	mayn't I have serrated?
mayn't you have serrated?
mayn't he have serrated?
mayn't we have serrated?
mayn't you have serrated?
mayn't they have serrated? 	mayn't I have been serrating?
mayn't you have been serrating?
mayn't he have been serrating?
mayn't we have been serrating?
mayn't you have been serrating?
mayn't they have been serrating?