may datestamp
Regular verb: datestamp - datestamped- datestamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may datestamp
you may datestamp
she may datestamp
we may datestamp
you may datestamp
they may datestamp 	I may be datestamping
you may be datestamping
she may be datestamping
we may be datestamping
you may be datestamping
they may be datestamping	I may have datestamped
you may have datestamped
she may have datestamped
we may have datestamped
you may have datestamped
they may have datestamped	I may have been datestamping
you may have been datestamping
she may have been datestamping
we may have been datestamping
you may have been datestamping
they may have been datestamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not datestamp
you may not datestamp
she may not datestamp
we may not datestamp
you may not datestamp
they may not datestamp 	I may not be datestamping
you may not be datestamping
she may not be datestamping
we may not be datestamping
you may not be datestamping
they may not be datestamping	I may not have datestamped
you may not have datestamped
she may not have datestamped
we may not have datestamped
you may not have datestamped
they may not have datestamped	I may not have been datestamping
you may not have been datestamping
she may not have been datestamping
we may not have been datestamping
you may not have been datestamping
they may not have been datestamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I datestamp?
may you datestamp?
may she datestamp?
may we datestamp?
may you datestamp?
may they datestamp? 	may I be datestamping?
may you be datestamping?
may she be datestamping?
may we be datestamping?
may you be datestamping?
may they be datestamping? 	may I have datestamped?
may you have datestamped?
may she have datestamped?
may we have datestamped?
may you have datestamped?
may they have datestamped? 	may I have been datestamping?
may you have been datestamping?
may she have been datestamping?
may we have been datestamping?
may you have been datestamping?
may they have been datestamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not datestamp?
may you not datestamp?
may she not datestamp?
may we not datestamp?
may you not datestamp?
may they not datestamp? 	may I not be datestamping?
may you not be datestamping?
may she not be datestamping?
may we not be datestamping?
may you not be datestamping?
may they not be datestamping? 	may I not have datestamped?
may you not have datestamped?
may she not have datestamped?
may we not have datestamped?
may you not have datestamped?
may they not have datestamped? 	may I not have been datestamping?
may you not have been datestamping?
may she not have been datestamping?
may we not have been datestamping?
may you not have been datestamping?
may they not have been datestamping?