should scum
Verbo regular: scum - scummed- scummed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should scum
you should scum
he should scum
we should scum
you should scum
they should scum 	I should be scumming
you should be scumming
he should be scumming
we should be scumming
you should be scumming
they should be scumming	I should have scummed
you should have scummed
he should have scummed
we should have scummed
you should have scummed
they should have scummed	I should have been scumming
you should have been scumming
he should have been scumming
we should have been scumming
you should have been scumming
they should have been scumming	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not scum
you should not scum
he should not scum
we should not scum
you should not scum
they should not scum 	I should not be scumming
you should not be scumming
he should not be scumming
we should not be scumming
you should not be scumming
they should not be scumming	I should not have scummed
you should not have scummed
he should not have scummed
we should not have scummed
you should not have scummed
they should not have scummed	I should not have been scumming
you should not have been scumming
he should not have been scumming
we should not have been scumming
you should not have been scumming
they should not have been scumming	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I scum?
should you scum?
should he scum?
should we scum?
should you scum?
should they scum? 	should I be scumming?
should you be scumming?
should he be scumming?
should we be scumming?
should you be scumming?
should they be scumming? 	should I have scummed?
should you have scummed?
should he have scummed?
should we have scummed?
should you have scummed?
should they have scummed? 	should I have been scumming?
should you have been scumming?
should he have been scumming?
should we have been scumming?
should you have been scumming?
should they have been scumming? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not scum?
should you not scum?
should he not scum?
should we not scum?
should you not scum?
should they not scum? 	should I not be scumming?
should you not be scumming?
should he not be scumming?
should we not be scumming?
should you not be scumming?
should they not be scumming? 	should I not have scummed?
should you not have scummed?
should he not have scummed?
should we not have scummed?
should you not have scummed?
should they not have scummed? 	should I not have been scumming?
should you not have been scumming?
should he not have been scumming?
should we not have been scumming?
should you not have been scumming?
should they not have been scumming?