could glue
Verbo regular: glue - glued- glued

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could glue
you could glue
he could glue
we could glue
you could glue
they could glue 	I could be gluing
you could be gluing
he could be gluing
we could be gluing
you could be gluing
they could be gluing	I could have glued
you could have glued
he could have glued
we could have glued
you could have glued
they could have glued	I could have been gluing
you could have been gluing
he could have been gluing
we could have been gluing
you could have been gluing
they could have been gluing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not glue
you could not glue
he could not glue
we could not glue
you could not glue
they could not glue 	I could not be gluing
you could not be gluing
he could not be gluing
we could not be gluing
you could not be gluing
they could not be gluing	I could not have glued
you could not have glued
he could not have glued
we could not have glued
you could not have glued
they could not have glued	I could not have been gluing
you could not have been gluing
he could not have been gluing
we could not have been gluing
you could not have been gluing
they could not have been gluing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I glue?
could you glue?
could he glue?
could we glue?
could you glue?
could they glue? 	could I be gluing?
could you be gluing?
could he be gluing?
could we be gluing?
could you be gluing?
could they be gluing? 	could I have glued?
could you have glued?
could he have glued?
could we have glued?
could you have glued?
could they have glued? 	could I have been gluing?
could you have been gluing?
could he have been gluing?
could we have been gluing?
could you have been gluing?
could they have been gluing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not glue?
could you not glue?
could he not glue?
could we not glue?
could you not glue?
could they not glue? 	could I not be gluing?
could you not be gluing?
could he not be gluing?
could we not be gluing?
could you not be gluing?
could they not be gluing? 	could I not have glued?
could you not have glued?
could he not have glued?
could we not have glued?
could you not have glued?
could they not have glued? 	could I not have been gluing?
could you not have been gluing?
could he not have been gluing?
could we not have been gluing?
could you not have been gluing?
could they not have been gluing?