could bead
Verbo regular: bead - beaded- beaded

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could bead
you could bead
he could bead
we could bead
you could bead
they could bead 	I could be beading
you could be beading
he could be beading
we could be beading
you could be beading
they could be beading	I could have beaded
you could have beaded
he could have beaded
we could have beaded
you could have beaded
they could have beaded	I could have been beading
you could have been beading
he could have been beading
we could have been beading
you could have been beading
they could have been beading	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't bead
you couldn't bead
he couldn't bead
we couldn't bead
you couldn't bead
they couldn't bead 	I couldn't be beading
you couldn't be beading
he couldn't be beading
we couldn't be beading
you couldn't be beading
they couldn't be beading	I couldn't have beaded
you couldn't have beaded
he couldn't have beaded
we couldn't have beaded
you couldn't have beaded
they couldn't have beaded	I couldn't have been beading
you couldn't have been beading
he couldn't have been beading
we couldn't have been beading
you couldn't have been beading
they couldn't have been beading	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I bead?
could you bead?
could he bead?
could we bead?
could you bead?
could they bead? 	could I be beading?
could you be beading?
could he be beading?
could we be beading?
could you be beading?
could they be beading? 	could I have beaded?
could you have beaded?
could he have beaded?
could we have beaded?
could you have beaded?
could they have beaded? 	could I have been beading?
could you have been beading?
could he have been beading?
could we have been beading?
could you have been beading?
could they have been beading? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I bead?
couldn't you bead?
couldn't he bead?
couldn't we bead?
couldn't you bead?
couldn't they bead? 	couldn't I be beading?
couldn't you be beading?
couldn't he be beading?
couldn't we be beading?
couldn't you be beading?
couldn't they be beading? 	couldn't I have beaded?
couldn't you have beaded?
couldn't he have beaded?
couldn't we have beaded?
couldn't you have beaded?
couldn't they have beaded? 	couldn't I have been beading?
couldn't you have been beading?
couldn't he have been beading?
couldn't we have been beading?
couldn't you have been beading?
couldn't they have been beading?