should petrify
Verbo regular: petrify - petrified- petrified

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should petrify
you should petrify
she should petrify
we should petrify
you should petrify
they should petrify 	I should be petrifying
you should be petrifying
she should be petrifying
we should be petrifying
you should be petrifying
they should be petrifying	I should have petrified
you should have petrified
she should have petrified
we should have petrified
you should have petrified
they should have petrified	I should have been petrifying
you should have been petrifying
she should have been petrifying
we should have been petrifying
you should have been petrifying
they should have been petrifying	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not petrify
you should not petrify
she should not petrify
we should not petrify
you should not petrify
they should not petrify 	I should not be petrifying
you should not be petrifying
she should not be petrifying
we should not be petrifying
you should not be petrifying
they should not be petrifying	I should not have petrified
you should not have petrified
she should not have petrified
we should not have petrified
you should not have petrified
they should not have petrified	I should not have been petrifying
you should not have been petrifying
she should not have been petrifying
we should not have been petrifying
you should not have been petrifying
they should not have been petrifying	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I petrify?
should you petrify?
should she petrify?
should we petrify?
should you petrify?
should they petrify? 	should I be petrifying?
should you be petrifying?
should she be petrifying?
should we be petrifying?
should you be petrifying?
should they be petrifying? 	should I have petrified?
should you have petrified?
should she have petrified?
should we have petrified?
should you have petrified?
should they have petrified? 	should I have been petrifying?
should you have been petrifying?
should she have been petrifying?
should we have been petrifying?
should you have been petrifying?
should they have been petrifying? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not petrify?
should you not petrify?
should she not petrify?
should we not petrify?
should you not petrify?
should they not petrify? 	should I not be petrifying?
should you not be petrifying?
should she not be petrifying?
should we not be petrifying?
should you not be petrifying?
should they not be petrifying? 	should I not have petrified?
should you not have petrified?
should she not have petrified?
should we not have petrified?
should you not have petrified?
should they not have petrified? 	should I not have been petrifying?
should you not have been petrifying?
should she not have been petrifying?
should we not have been petrifying?
should you not have been petrifying?
should they not have been petrifying?