should flunk
Verbo regular: flunk - flunked- flunked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should flunk
you should flunk
he should flunk
we should flunk
you should flunk
they should flunk 	I should be flunking
you should be flunking
he should be flunking
we should be flunking
you should be flunking
they should be flunking	I should have flunked
you should have flunked
he should have flunked
we should have flunked
you should have flunked
they should have flunked	I should have been flunking
you should have been flunking
he should have been flunking
we should have been flunking
you should have been flunking
they should have been flunking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not flunk
you should not flunk
he should not flunk
we should not flunk
you should not flunk
they should not flunk 	I should not be flunking
you should not be flunking
he should not be flunking
we should not be flunking
you should not be flunking
they should not be flunking	I should not have flunked
you should not have flunked
he should not have flunked
we should not have flunked
you should not have flunked
they should not have flunked	I should not have been flunking
you should not have been flunking
he should not have been flunking
we should not have been flunking
you should not have been flunking
they should not have been flunking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I flunk?
should you flunk?
should he flunk?
should we flunk?
should you flunk?
should they flunk? 	should I be flunking?
should you be flunking?
should he be flunking?
should we be flunking?
should you be flunking?
should they be flunking? 	should I have flunked?
should you have flunked?
should he have flunked?
should we have flunked?
should you have flunked?
should they have flunked? 	should I have been flunking?
should you have been flunking?
should he have been flunking?
should we have been flunking?
should you have been flunking?
should they have been flunking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not flunk?
should you not flunk?
should he not flunk?
should we not flunk?
should you not flunk?
should they not flunk? 	should I not be flunking?
should you not be flunking?
should he not be flunking?
should we not be flunking?
should you not be flunking?
should they not be flunking? 	should I not have flunked?
should you not have flunked?
should he not have flunked?
should we not have flunked?
should you not have flunked?
should they not have flunked? 	should I not have been flunking?
should you not have been flunking?
should he not have been flunking?
should we not have been flunking?
should you not have been flunking?
should they not have been flunking?