should mass
Verbo regular: mass - massed- massed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should mass
you should mass
he should mass
we should mass
you should mass
they should mass 	I should be massing
you should be massing
he should be massing
we should be massing
you should be massing
they should be massing	I should have massed
you should have massed
he should have massed
we should have massed
you should have massed
they should have massed	I should have been massing
you should have been massing
he should have been massing
we should have been massing
you should have been massing
they should have been massing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not mass
you should not mass
he should not mass
we should not mass
you should not mass
they should not mass 	I should not be massing
you should not be massing
he should not be massing
we should not be massing
you should not be massing
they should not be massing	I should not have massed
you should not have massed
he should not have massed
we should not have massed
you should not have massed
they should not have massed	I should not have been massing
you should not have been massing
he should not have been massing
we should not have been massing
you should not have been massing
they should not have been massing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I mass?
should you mass?
should he mass?
should we mass?
should you mass?
should they mass? 	should I be massing?
should you be massing?
should he be massing?
should we be massing?
should you be massing?
should they be massing? 	should I have massed?
should you have massed?
should he have massed?
should we have massed?
should you have massed?
should they have massed? 	should I have been massing?
should you have been massing?
should he have been massing?
should we have been massing?
should you have been massing?
should they have been massing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not mass?
should you not mass?
should he not mass?
should we not mass?
should you not mass?
should they not mass? 	should I not be massing?
should you not be massing?
should he not be massing?
should we not be massing?
should you not be massing?
should they not be massing? 	should I not have massed?
should you not have massed?
should he not have massed?
should we not have massed?
should you not have massed?
should they not have massed? 	should I not have been massing?
should you not have been massing?
should he not have been massing?
should we not have been massing?
should you not have been massing?
should they not have been massing?