should screech
Regular verb: screech - screeched- screeched

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

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

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

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