may rubber-stamp
Regular verb: rubber-stamp - rubber-stamped- rubber-stamped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may rubber-stamp
you may rubber-stamp
she may rubber-stamp
we may rubber-stamp
you may rubber-stamp
they may rubber-stamp 	I may be rubber-stamping
you may be rubber-stamping
she may be rubber-stamping
we may be rubber-stamping
you may be rubber-stamping
they may be rubber-stamping	I may have rubber-stamped
you may have rubber-stamped
she may have rubber-stamped
we may have rubber-stamped
you may have rubber-stamped
they may have rubber-stamped	I may have been rubber-stamping
you may have been rubber-stamping
she may have been rubber-stamping
we may have been rubber-stamping
you may have been rubber-stamping
they may have been rubber-stamping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not rubber-stamp
you may not rubber-stamp
she may not rubber-stamp
we may not rubber-stamp
you may not rubber-stamp
they may not rubber-stamp 	I may not be rubber-stamping
you may not be rubber-stamping
she may not be rubber-stamping
we may not be rubber-stamping
you may not be rubber-stamping
they may not be rubber-stamping	I may not have rubber-stamped
you may not have rubber-stamped
she may not have rubber-stamped
we may not have rubber-stamped
you may not have rubber-stamped
they may not have rubber-stamped	I may not have been rubber-stamping
you may not have been rubber-stamping
she may not have been rubber-stamping
we may not have been rubber-stamping
you may not have been rubber-stamping
they may not have been rubber-stamping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I rubber-stamp?
may you rubber-stamp?
may she rubber-stamp?
may we rubber-stamp?
may you rubber-stamp?
may they rubber-stamp? 	may I be rubber-stamping?
may you be rubber-stamping?
may she be rubber-stamping?
may we be rubber-stamping?
may you be rubber-stamping?
may they be rubber-stamping? 	may I have rubber-stamped?
may you have rubber-stamped?
may she have rubber-stamped?
may we have rubber-stamped?
may you have rubber-stamped?
may they have rubber-stamped? 	may I have been rubber-stamping?
may you have been rubber-stamping?
may she have been rubber-stamping?
may we have been rubber-stamping?
may you have been rubber-stamping?
may they have been rubber-stamping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not rubber-stamp?
may you not rubber-stamp?
may she not rubber-stamp?
may we not rubber-stamp?
may you not rubber-stamp?
may they not rubber-stamp? 	may I not be rubber-stamping?
may you not be rubber-stamping?
may she not be rubber-stamping?
may we not be rubber-stamping?
may you not be rubber-stamping?
may they not be rubber-stamping? 	may I not have rubber-stamped?
may you not have rubber-stamped?
may she not have rubber-stamped?
may we not have rubber-stamped?
may you not have rubber-stamped?
may they not have rubber-stamped? 	may I not have been rubber-stamping?
may you not have been rubber-stamping?
may she not have been rubber-stamping?
may we not have been rubber-stamping?
may you not have been rubber-stamping?
may they not have been rubber-stamping?