should mothball
Verbo regular: mothball - mothballed- mothballed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should mothball
you should mothball
she should mothball
we should mothball
you should mothball
they should mothball 	I should be mothballing
you should be mothballing
she should be mothballing
we should be mothballing
you should be mothballing
they should be mothballing	I should have mothballed
you should have mothballed
she should have mothballed
we should have mothballed
you should have mothballed
they should have mothballed	I should have been mothballing
you should have been mothballing
she should have been mothballing
we should have been mothballing
you should have been mothballing
they should have been mothballing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I should not mothball
you should not mothball
she should not mothball
we should not mothball
you should not mothball
they should not mothball 	I should not be mothballing
you should not be mothballing
she should not be mothballing
we should not be mothballing
you should not be mothballing
they should not be mothballing	I should not have mothballed
you should not have mothballed
she should not have mothballed
we should not have mothballed
you should not have mothballed
they should not have mothballed	I should not have been mothballing
you should not have been mothballing
she should not have been mothballing
we should not have been mothballing
you should not have been mothballing
they should not have been mothballing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I mothball?
should you mothball?
should she mothball?
should we mothball?
should you mothball?
should they mothball? 	should I be mothballing?
should you be mothballing?
should she be mothballing?
should we be mothballing?
should you be mothballing?
should they be mothballing? 	should I have mothballed?
should you have mothballed?
should she have mothballed?
should we have mothballed?
should you have mothballed?
should they have mothballed? 	should I have been mothballing?
should you have been mothballing?
should she have been mothballing?
should we have been mothballing?
should you have been mothballing?
should they have been mothballing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
should I not mothball?
should you not mothball?
should she not mothball?
should we not mothball?
should you not mothball?
should they not mothball? 	should I not be mothballing?
should you not be mothballing?
should she not be mothballing?
should we not be mothballing?
should you not be mothballing?
should they not be mothballing? 	should I not have mothballed?
should you not have mothballed?
should she not have mothballed?
should we not have mothballed?
should you not have mothballed?
should they not have mothballed? 	should I not have been mothballing?
should you not have been mothballing?
should she not have been mothballing?
should we not have been mothballing?
should you not have been mothballing?
should they not have been mothballing?