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
he could smoulder
we could smoulder
you could smoulder
they could smoulder 	I could be smouldering
you could be smouldering
he could be smouldering
we could be smouldering
you could be smouldering
they could be smouldering	I could have smouldered
you could have smouldered
he 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
he 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 couldn't smoulder
you couldn't smoulder
he couldn't smoulder
we couldn't smoulder
you couldn't smoulder
they couldn't smoulder 	I couldn't be smouldering
you couldn't be smouldering
he couldn't be smouldering
we couldn't be smouldering
you couldn't be smouldering
they couldn't be smouldering	I couldn't have smouldered
you couldn't have smouldered
he couldn't have smouldered
we couldn't have smouldered
you couldn't have smouldered
they couldn't have smouldered	I couldn't have been smouldering
you couldn't have been smouldering
he couldn't have been smouldering
we couldn't have been smouldering
you couldn't have been smouldering
they couldn't have been smouldering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I smoulder?
could you smoulder?
could he smoulder?
could we smoulder?
could you smoulder?
could they smoulder? 	could I be smouldering?
could you be smouldering?
could he be smouldering?
could we be smouldering?
could you be smouldering?
could they be smouldering? 	could I have smouldered?
could you have smouldered?
could he 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 he 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 	
couldn't I smoulder?
couldn't you smoulder?
couldn't he smoulder?
couldn't we smoulder?
couldn't you smoulder?
couldn't they smoulder? 	couldn't I be smouldering?
couldn't you be smouldering?
couldn't he be smouldering?
couldn't we be smouldering?
couldn't you be smouldering?
couldn't they be smouldering? 	couldn't I have smouldered?
couldn't you have smouldered?
couldn't he have smouldered?
couldn't we have smouldered?
couldn't you have smouldered?
couldn't they have smouldered? 	couldn't I have been smouldering?
couldn't you have been smouldering?
couldn't he have been smouldering?
couldn't we have been smouldering?
couldn't you have been smouldering?
couldn't they have been smouldering?