should ret
Verbo regular: ret - retted- retted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should ret
you should ret
he should ret
we should ret
you should ret
they should ret 	I should be retting
you should be retting
he should be retting
we should be retting
you should be retting
they should be retting	I should have retted
you should have retted
he should have retted
we should have retted
you should have retted
they should have retted	I should have been retting
you should have been retting
he should have been retting
we should have been retting
you should have been retting
they should have been retting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not ret
you should not ret
he should not ret
we should not ret
you should not ret
they should not ret 	I should not be retting
you should not be retting
he should not be retting
we should not be retting
you should not be retting
they should not be retting	I should not have retted
you should not have retted
he should not have retted
we should not have retted
you should not have retted
they should not have retted	I should not have been retting
you should not have been retting
he should not have been retting
we should not have been retting
you should not have been retting
they should not have been retting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I ret?
should you ret?
should he ret?
should we ret?
should you ret?
should they ret? 	should I be retting?
should you be retting?
should he be retting?
should we be retting?
should you be retting?
should they be retting? 	should I have retted?
should you have retted?
should he have retted?
should we have retted?
should you have retted?
should they have retted? 	should I have been retting?
should you have been retting?
should he have been retting?
should we have been retting?
should you have been retting?
should they have been retting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not ret?
should you not ret?
should he not ret?
should we not ret?
should you not ret?
should they not ret? 	should I not be retting?
should you not be retting?
should he not be retting?
should we not be retting?
should you not be retting?
should they not be retting? 	should I not have retted?
should you not have retted?
should he not have retted?
should we not have retted?
should you not have retted?
should they not have retted? 	should I not have been retting?
should you not have been retting?
should he not have been retting?
should we not have been retting?
should you not have been retting?
should they not have been retting?