may screech
Regular verb: screech - screeched- screeched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may screech
you may screech
she may screech
we may screech
you may screech
they may screech 	I may be screeching
you may be screeching
she may be screeching
we may be screeching
you may be screeching
they may be screeching	I may have screeched
you may have screeched
she may have screeched
we may have screeched
you may have screeched
they may have screeched	I may have been screeching
you may have been screeching
she may have been screeching
we may have been screeching
you may have been screeching
they may have been screeching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not screech
you may not screech
she may not screech
we may not screech
you may not screech
they may not screech 	I may not be screeching
you may not be screeching
she may not be screeching
we may not be screeching
you may not be screeching
they may not be screeching	I may not have screeched
you may not have screeched
she may not have screeched
we may not have screeched
you may not have screeched
they may not have screeched	I may not have been screeching
you may not have been screeching
she may not have been screeching
we may not have been screeching
you may not have been screeching
they may not have been screeching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I screech?
may you screech?
may she screech?
may we screech?
may you screech?
may they screech? 	may I be screeching?
may you be screeching?
may she be screeching?
may we be screeching?
may you be screeching?
may they be screeching? 	may I have screeched?
may you have screeched?
may she have screeched?
may we have screeched?
may you have screeched?
may they have screeched? 	may I have been screeching?
may you have been screeching?
may she have been screeching?
may we have been screeching?
may you have been screeching?
may they have been screeching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not screech?
may you not screech?
may she not screech?
may we not screech?
may you not screech?
may they not screech? 	may I not be screeching?
may you not be screeching?
may she not be screeching?
may we not be screeching?
may you not be screeching?
may they not be screeching? 	may I not have screeched?
may you not have screeched?
may she not have screeched?
may we not have screeched?
may you not have screeched?
may they not have screeched? 	may I not have been screeching?
may you not have been screeching?
may she not have been screeching?
may we not have been screeching?
may you not have been screeching?
may they not have been screeching?