could smoulder
Verbo regular: smoulder - smouldered- smouldered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could smoulder
you could smoulder
she could smoulder
we could smoulder
you could smoulder
they could smoulder 	I could be smouldering
you could be smouldering
she could be smouldering
we could be smouldering
you could be smouldering
they could be smouldering	I could have smouldered
you could have smouldered
she could have smouldered
we could have smouldered
you could have smouldered
they could have smouldered	I could have been smouldering
you could have been smouldering
she could have been smouldering
we could have been smouldering
you could have been smouldering
they could have been smouldering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not smoulder
you could not smoulder
she could not smoulder
we could not smoulder
you could not smoulder
they could not smoulder 	I could not be smouldering
you could not be smouldering
she could not be smouldering
we could not be smouldering
you could not be smouldering
they could not be smouldering	I could not have smouldered
you could not have smouldered
she could not have smouldered
we could not have smouldered
you could not have smouldered
they could not have smouldered	I could not have been smouldering
you could not have been smouldering
she could not have been smouldering
we could not have been smouldering
you could not have been smouldering
they could not have been smouldering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I smoulder?
could you smoulder?
could she smoulder?
could we smoulder?
could you smoulder?
could they smoulder? 	could I be smouldering?
could you be smouldering?
could she be smouldering?
could we be smouldering?
could you be smouldering?
could they be smouldering? 	could I have smouldered?
could you have smouldered?
could she have smouldered?
could we have smouldered?
could you have smouldered?
could they have smouldered? 	could I have been smouldering?
could you have been smouldering?
could she have been smouldering?
could we have been smouldering?
could you have been smouldering?
could they have been smouldering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not smoulder?
could you not smoulder?
could she not smoulder?
could we not smoulder?
could you not smoulder?
could they not smoulder? 	could I not be smouldering?
could you not be smouldering?
could she not be smouldering?
could we not be smouldering?
could you not be smouldering?
could they not be smouldering? 	could I not have smouldered?
could you not have smouldered?
could she not have smouldered?
could we not have smouldered?
could you not have smouldered?
could they not have smouldered? 	could I not have been smouldering?
could you not have been smouldering?
could she not have been smouldering?
could we not have been smouldering?
could you not have been smouldering?
could they not have been smouldering?