may overstrike
Regular verb: overstrike - overstriked- overstriked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may overstrike
you may overstrike
he may overstrike
we may overstrike
you may overstrike
they may overstrike 	I may be overstriking
you may be overstriking
he may be overstriking
we may be overstriking
you may be overstriking
they may be overstriking	I may have overstriked
you may have overstriked
he may have overstriked
we may have overstriked
you may have overstriked
they may have overstriked	I may have been overstriking
you may have been overstriking
he may have been overstriking
we may have been overstriking
you may have been overstriking
they may have been overstriking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't overstrike
you mayn't overstrike
he mayn't overstrike
we mayn't overstrike
you mayn't overstrike
they mayn't overstrike 	I mayn't be overstriking
you mayn't be overstriking
he mayn't be overstriking
we mayn't be overstriking
you mayn't be overstriking
they mayn't be overstriking	I mayn't have overstriked
you mayn't have overstriked
he mayn't have overstriked
we mayn't have overstriked
you mayn't have overstriked
they mayn't have overstriked	I mayn't have been overstriking
you mayn't have been overstriking
he mayn't have been overstriking
we mayn't have been overstriking
you mayn't have been overstriking
they mayn't have been overstriking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I overstrike?
may you overstrike?
may he overstrike?
may we overstrike?
may you overstrike?
may they overstrike? 	may I be overstriking?
may you be overstriking?
may he be overstriking?
may we be overstriking?
may you be overstriking?
may they be overstriking? 	may I have overstriked?
may you have overstriked?
may he have overstriked?
may we have overstriked?
may you have overstriked?
may they have overstriked? 	may I have been overstriking?
may you have been overstriking?
may he have been overstriking?
may we have been overstriking?
may you have been overstriking?
may they have been overstriking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I overstrike?
mayn't you overstrike?
mayn't he overstrike?
mayn't we overstrike?
mayn't you overstrike?
mayn't they overstrike? 	mayn't I be overstriking?
mayn't you be overstriking?
mayn't he be overstriking?
mayn't we be overstriking?
mayn't you be overstriking?
mayn't they be overstriking? 	mayn't I have overstriked?
mayn't you have overstriked?
mayn't he have overstriked?
mayn't we have overstriked?
mayn't you have overstriked?
mayn't they have overstriked? 	mayn't I have been overstriking?
mayn't you have been overstriking?
mayn't he have been overstriking?
mayn't we have been overstriking?
mayn't you have been overstriking?
mayn't they have been overstriking?