should perk
Verbo regular: perk - perked- perked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should perk
you should perk
he should perk
we should perk
you should perk
they should perk 	I should be perking
you should be perking
he should be perking
we should be perking
you should be perking
they should be perking	I should have perked
you should have perked
he should have perked
we should have perked
you should have perked
they should have perked	I should have been perking
you should have been perking
he should have been perking
we should have been perking
you should have been perking
they should have been perking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not perk
you should not perk
he should not perk
we should not perk
you should not perk
they should not perk 	I should not be perking
you should not be perking
he should not be perking
we should not be perking
you should not be perking
they should not be perking	I should not have perked
you should not have perked
he should not have perked
we should not have perked
you should not have perked
they should not have perked	I should not have been perking
you should not have been perking
he should not have been perking
we should not have been perking
you should not have been perking
they should not have been perking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I perk?
should you perk?
should he perk?
should we perk?
should you perk?
should they perk? 	should I be perking?
should you be perking?
should he be perking?
should we be perking?
should you be perking?
should they be perking? 	should I have perked?
should you have perked?
should he have perked?
should we have perked?
should you have perked?
should they have perked? 	should I have been perking?
should you have been perking?
should he have been perking?
should we have been perking?
should you have been perking?
should they have been perking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not perk?
should you not perk?
should he not perk?
should we not perk?
should you not perk?
should they not perk? 	should I not be perking?
should you not be perking?
should he not be perking?
should we not be perking?
should you not be perking?
should they not be perking? 	should I not have perked?
should you not have perked?
should he not have perked?
should we not have perked?
should you not have perked?
should they not have perked? 	should I not have been perking?
should you not have been perking?
should he not have been perking?
should we not have been perking?
should you not have been perking?
should they not have been perking?