should prestress
Regular verb: prestress - prestressed- prestressed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should prestress
you should prestress
she should prestress
we should prestress
you should prestress
they should prestress 	I should be prestressing
you should be prestressing
she should be prestressing
we should be prestressing
you should be prestressing
they should be prestressing	I should have prestressed
you should have prestressed
she should have prestressed
we should have prestressed
you should have prestressed
they should have prestressed	I should have been prestressing
you should have been prestressing
she should have been prestressing
we should have been prestressing
you should have been prestressing
they should have been prestressing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not prestress
you should not prestress
she should not prestress
we should not prestress
you should not prestress
they should not prestress 	I should not be prestressing
you should not be prestressing
she should not be prestressing
we should not be prestressing
you should not be prestressing
they should not be prestressing	I should not have prestressed
you should not have prestressed
she should not have prestressed
we should not have prestressed
you should not have prestressed
they should not have prestressed	I should not have been prestressing
you should not have been prestressing
she should not have been prestressing
we should not have been prestressing
you should not have been prestressing
they should not have been prestressing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I prestress?
should you prestress?
should she prestress?
should we prestress?
should you prestress?
should they prestress? 	should I be prestressing?
should you be prestressing?
should she be prestressing?
should we be prestressing?
should you be prestressing?
should they be prestressing? 	should I have prestressed?
should you have prestressed?
should she have prestressed?
should we have prestressed?
should you have prestressed?
should they have prestressed? 	should I have been prestressing?
should you have been prestressing?
should she have been prestressing?
should we have been prestressing?
should you have been prestressing?
should they have been prestressing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not prestress?
should you not prestress?
should she not prestress?
should we not prestress?
should you not prestress?
should they not prestress? 	should I not be prestressing?
should you not be prestressing?
should she not be prestressing?
should we not be prestressing?
should you not be prestressing?
should they not be prestressing? 	should I not have prestressed?
should you not have prestressed?
should she not have prestressed?
should we not have prestressed?
should you not have prestressed?
should they not have prestressed? 	should I not have been prestressing?
should you not have been prestressing?
should she not have been prestressing?
should we not have been prestressing?
should you not have been prestressing?
should they not have been prestressing?