may groan
Regular verb: groan - groaned- groaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may groan
you may groan
she may groan
we may groan
you may groan
they may groan 	I may be groaning
you may be groaning
she may be groaning
we may be groaning
you may be groaning
they may be groaning	I may have groaned
you may have groaned
she may have groaned
we may have groaned
you may have groaned
they may have groaned	I may have been groaning
you may have been groaning
she may have been groaning
we may have been groaning
you may have been groaning
they may have been groaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not groan
you may not groan
she may not groan
we may not groan
you may not groan
they may not groan 	I may not be groaning
you may not be groaning
she may not be groaning
we may not be groaning
you may not be groaning
they may not be groaning	I may not have groaned
you may not have groaned
she may not have groaned
we may not have groaned
you may not have groaned
they may not have groaned	I may not have been groaning
you may not have been groaning
she may not have been groaning
we may not have been groaning
you may not have been groaning
they may not have been groaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I groan?
may you groan?
may she groan?
may we groan?
may you groan?
may they groan? 	may I be groaning?
may you be groaning?
may she be groaning?
may we be groaning?
may you be groaning?
may they be groaning? 	may I have groaned?
may you have groaned?
may she have groaned?
may we have groaned?
may you have groaned?
may they have groaned? 	may I have been groaning?
may you have been groaning?
may she have been groaning?
may we have been groaning?
may you have been groaning?
may they have been groaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not groan?
may you not groan?
may she not groan?
may we not groan?
may you not groan?
may they not groan? 	may I not be groaning?
may you not be groaning?
may she not be groaning?
may we not be groaning?
may you not be groaning?
may they not be groaning? 	may I not have groaned?
may you not have groaned?
may she not have groaned?
may we not have groaned?
may you not have groaned?
may they not have groaned? 	may I not have been groaning?
may you not have been groaning?
may she not have been groaning?
may we not have been groaning?
may you not have been groaning?
may they not have been groaning?