may pinpoint
Regular verb: pinpoint - pinpointed- pinpointed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may pinpoint
you may pinpoint
he may pinpoint
we may pinpoint
you may pinpoint
they may pinpoint 	I may be pinpointing
you may be pinpointing
he may be pinpointing
we may be pinpointing
you may be pinpointing
they may be pinpointing	I may have pinpointed
you may have pinpointed
he may have pinpointed
we may have pinpointed
you may have pinpointed
they may have pinpointed	I may have been pinpointing
you may have been pinpointing
he may have been pinpointing
we may have been pinpointing
you may have been pinpointing
they may have been pinpointing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't pinpoint
you mayn't pinpoint
he mayn't pinpoint
we mayn't pinpoint
you mayn't pinpoint
they mayn't pinpoint 	I mayn't be pinpointing
you mayn't be pinpointing
he mayn't be pinpointing
we mayn't be pinpointing
you mayn't be pinpointing
they mayn't be pinpointing	I mayn't have pinpointed
you mayn't have pinpointed
he mayn't have pinpointed
we mayn't have pinpointed
you mayn't have pinpointed
they mayn't have pinpointed	I mayn't have been pinpointing
you mayn't have been pinpointing
he mayn't have been pinpointing
we mayn't have been pinpointing
you mayn't have been pinpointing
they mayn't have been pinpointing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I pinpoint?
may you pinpoint?
may he pinpoint?
may we pinpoint?
may you pinpoint?
may they pinpoint? 	may I be pinpointing?
may you be pinpointing?
may he be pinpointing?
may we be pinpointing?
may you be pinpointing?
may they be pinpointing? 	may I have pinpointed?
may you have pinpointed?
may he have pinpointed?
may we have pinpointed?
may you have pinpointed?
may they have pinpointed? 	may I have been pinpointing?
may you have been pinpointing?
may he have been pinpointing?
may we have been pinpointing?
may you have been pinpointing?
may they have been pinpointing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I pinpoint?
mayn't you pinpoint?
mayn't he pinpoint?
mayn't we pinpoint?
mayn't you pinpoint?
mayn't they pinpoint? 	mayn't I be pinpointing?
mayn't you be pinpointing?
mayn't he be pinpointing?
mayn't we be pinpointing?
mayn't you be pinpointing?
mayn't they be pinpointing? 	mayn't I have pinpointed?
mayn't you have pinpointed?
mayn't he have pinpointed?
mayn't we have pinpointed?
mayn't you have pinpointed?
mayn't they have pinpointed? 	mayn't I have been pinpointing?
mayn't you have been pinpointing?
mayn't he have been pinpointing?
mayn't we have been pinpointing?
mayn't you have been pinpointing?
mayn't they have been pinpointing?