can screech
Regular verb: screech - screeched- screeched

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't screech
you can't screech
she can't screech
we can't screech
you can't screech
they can't screech 	I can't be screeching
you can't be screeching
she can't be screeching
we can't be screeching
you can't be screeching
they can't be screeching	I can't have screeched
you can't have screeched
she can't have screeched
we can't have screeched
you can't have screeched
they can't have screeched	I can't have been screeching
you can't have been screeching
she can't have been screeching
we can't have been screeching
you can't have been screeching
they can't have been screeching	

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

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