should smother
Verbo regular: smother - smothered- smothered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should smother
you should smother
he should smother
we should smother
you should smother
they should smother 	I should be smothering
you should be smothering
he should be smothering
we should be smothering
you should be smothering
they should be smothering	I should have smothered
you should have smothered
he should have smothered
we should have smothered
you should have smothered
they should have smothered	I should have been smothering
you should have been smothering
he should have been smothering
we should have been smothering
you should have been smothering
they should have been smothering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not smother
you should not smother
he should not smother
we should not smother
you should not smother
they should not smother 	I should not be smothering
you should not be smothering
he should not be smothering
we should not be smothering
you should not be smothering
they should not be smothering	I should not have smothered
you should not have smothered
he should not have smothered
we should not have smothered
you should not have smothered
they should not have smothered	I should not have been smothering
you should not have been smothering
he should not have been smothering
we should not have been smothering
you should not have been smothering
they should not have been smothering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I smother?
should you smother?
should he smother?
should we smother?
should you smother?
should they smother? 	should I be smothering?
should you be smothering?
should he be smothering?
should we be smothering?
should you be smothering?
should they be smothering? 	should I have smothered?
should you have smothered?
should he have smothered?
should we have smothered?
should you have smothered?
should they have smothered? 	should I have been smothering?
should you have been smothering?
should he have been smothering?
should we have been smothering?
should you have been smothering?
should they have been smothering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not smother?
should you not smother?
should he not smother?
should we not smother?
should you not smother?
should they not smother? 	should I not be smothering?
should you not be smothering?
should he not be smothering?
should we not be smothering?
should you not be smothering?
should they not be smothering? 	should I not have smothered?
should you not have smothered?
should he not have smothered?
should we not have smothered?
should you not have smothered?
should they not have smothered? 	should I not have been smothering?
should you not have been smothering?
should he not have been smothering?
should we not have been smothering?
should you not have been smothering?
should they not have been smothering?