could curd
Verbo regular: curd - curded- curded

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could curd
you could curd
he could curd
we could curd
you could curd
they could curd 	I could be curding
you could be curding
he could be curding
we could be curding
you could be curding
they could be curding	I could have curded
you could have curded
he could have curded
we could have curded
you could have curded
they could have curded	I could have been curding
you could have been curding
he could have been curding
we could have been curding
you could have been curding
they could have been curding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not curd
you could not curd
he could not curd
we could not curd
you could not curd
they could not curd 	I could not be curding
you could not be curding
he could not be curding
we could not be curding
you could not be curding
they could not be curding	I could not have curded
you could not have curded
he could not have curded
we could not have curded
you could not have curded
they could not have curded	I could not have been curding
you could not have been curding
he could not have been curding
we could not have been curding
you could not have been curding
they could not have been curding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I curd?
could you curd?
could he curd?
could we curd?
could you curd?
could they curd? 	could I be curding?
could you be curding?
could he be curding?
could we be curding?
could you be curding?
could they be curding? 	could I have curded?
could you have curded?
could he have curded?
could we have curded?
could you have curded?
could they have curded? 	could I have been curding?
could you have been curding?
could he have been curding?
could we have been curding?
could you have been curding?
could they have been curding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not curd?
could you not curd?
could he not curd?
could we not curd?
could you not curd?
could they not curd? 	could I not be curding?
could you not be curding?
could he not be curding?
could we not be curding?
could you not be curding?
could they not be curding? 	could I not have curded?
could you not have curded?
could he not have curded?
could we not have curded?
could you not have curded?
could they not have curded? 	could I not have been curding?
could you not have been curding?
could he not have been curding?
could we not have been curding?
could you not have been curding?
could they not have been curding?