may peck
Regular verb: peck - pecked- pecked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may peck
you may peck
she may peck
we may peck
you may peck
they may peck 	I may be pecking
you may be pecking
she may be pecking
we may be pecking
you may be pecking
they may be pecking	I may have pecked
you may have pecked
she may have pecked
we may have pecked
you may have pecked
they may have pecked	I may have been pecking
you may have been pecking
she may have been pecking
we may have been pecking
you may have been pecking
they may have been pecking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not peck
you may not peck
she may not peck
we may not peck
you may not peck
they may not peck 	I may not be pecking
you may not be pecking
she may not be pecking
we may not be pecking
you may not be pecking
they may not be pecking	I may not have pecked
you may not have pecked
she may not have pecked
we may not have pecked
you may not have pecked
they may not have pecked	I may not have been pecking
you may not have been pecking
she may not have been pecking
we may not have been pecking
you may not have been pecking
they may not have been pecking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I peck?
may you peck?
may she peck?
may we peck?
may you peck?
may they peck? 	may I be pecking?
may you be pecking?
may she be pecking?
may we be pecking?
may you be pecking?
may they be pecking? 	may I have pecked?
may you have pecked?
may she have pecked?
may we have pecked?
may you have pecked?
may they have pecked? 	may I have been pecking?
may you have been pecking?
may she have been pecking?
may we have been pecking?
may you have been pecking?
may they have been pecking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not peck?
may you not peck?
may she not peck?
may we not peck?
may you not peck?
may they not peck? 	may I not be pecking?
may you not be pecking?
may she not be pecking?
may we not be pecking?
may you not be pecking?
may they not be pecking? 	may I not have pecked?
may you not have pecked?
may she not have pecked?
may we not have pecked?
may you not have pecked?
may they not have pecked? 	may I not have been pecking?
may you not have been pecking?
may she not have been pecking?
may we not have been pecking?
may you not have been pecking?
may they not have been pecking?