should proof
Verbo regolare: proof - proofed- proofed

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should proof
you should proof
she should proof
we should proof
you should proof
they should proof 	I should be proofing
you should be proofing
she should be proofing
we should be proofing
you should be proofing
they should be proofing	I should have proofed
you should have proofed
she should have proofed
we should have proofed
you should have proofed
they should have proofed	I should have been proofing
you should have been proofing
she should have been proofing
we should have been proofing
you should have been proofing
they should have been proofing	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should not proof
you should not proof
she should not proof
we should not proof
you should not proof
they should not proof 	I should not be proofing
you should not be proofing
she should not be proofing
we should not be proofing
you should not be proofing
they should not be proofing	I should not have proofed
you should not have proofed
she should not have proofed
we should not have proofed
you should not have proofed
they should not have proofed	I should not have been proofing
you should not have been proofing
she should not have been proofing
we should not have been proofing
you should not have been proofing
they should not have been proofing	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I proof?
should you proof?
should she proof?
should we proof?
should you proof?
should they proof? 	should I be proofing?
should you be proofing?
should she be proofing?
should we be proofing?
should you be proofing?
should they be proofing? 	should I have proofed?
should you have proofed?
should she have proofed?
should we have proofed?
should you have proofed?
should they have proofed? 	should I have been proofing?
should you have been proofing?
should she have been proofing?
should we have been proofing?
should you have been proofing?
should they have been proofing? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I not proof?
should you not proof?
should she not proof?
should we not proof?
should you not proof?
should they not proof? 	should I not be proofing?
should you not be proofing?
should she not be proofing?
should we not be proofing?
should you not be proofing?
should they not be proofing? 	should I not have proofed?
should you not have proofed?
should she not have proofed?
should we not have proofed?
should you not have proofed?
should they not have proofed? 	should I not have been proofing?
should you not have been proofing?
should she not have been proofing?
should we not have been proofing?
should you not have been proofing?
should they not have been proofing?