should founder
Verbo regular: founder - foundered- foundered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should founder
you should founder
she should founder
we should founder
you should founder
they should founder 	I should be foundering
you should be foundering
she should be foundering
we should be foundering
you should be foundering
they should be foundering	I should have foundered
you should have foundered
she should have foundered
we should have foundered
you should have foundered
they should have foundered	I should have been foundering
you should have been foundering
she should have been foundering
we should have been foundering
you should have been foundering
they should have been foundering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not founder
you should not founder
she should not founder
we should not founder
you should not founder
they should not founder 	I should not be foundering
you should not be foundering
she should not be foundering
we should not be foundering
you should not be foundering
they should not be foundering	I should not have foundered
you should not have foundered
she should not have foundered
we should not have foundered
you should not have foundered
they should not have foundered	I should not have been foundering
you should not have been foundering
she should not have been foundering
we should not have been foundering
you should not have been foundering
they should not have been foundering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I founder?
should you founder?
should she founder?
should we founder?
should you founder?
should they founder? 	should I be foundering?
should you be foundering?
should she be foundering?
should we be foundering?
should you be foundering?
should they be foundering? 	should I have foundered?
should you have foundered?
should she have foundered?
should we have foundered?
should you have foundered?
should they have foundered? 	should I have been foundering?
should you have been foundering?
should she have been foundering?
should we have been foundering?
should you have been foundering?
should they have been foundering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not founder?
should you not founder?
should she not founder?
should we not founder?
should you not founder?
should they not founder? 	should I not be foundering?
should you not be foundering?
should she not be foundering?
should we not be foundering?
should you not be foundering?
should they not be foundering? 	should I not have foundered?
should you not have foundered?
should she not have foundered?
should we not have foundered?
should you not have foundered?
should they not have foundered? 	should I not have been foundering?
should you not have been foundering?
should she not have been foundering?
should we not have been foundering?
should you not have been foundering?
should they not have been foundering?