could trap
Verbo regular: trap - trapped- trapped

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could trap
you could trap
he could trap
we could trap
you could trap
they could trap 	I could be trapping
you could be trapping
he could be trapping
we could be trapping
you could be trapping
they could be trapping	I could have trapped
you could have trapped
he could have trapped
we could have trapped
you could have trapped
they could have trapped	I could have been trapping
you could have been trapping
he could have been trapping
we could have been trapping
you could have been trapping
they could have been trapping	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't trap
you couldn't trap
he couldn't trap
we couldn't trap
you couldn't trap
they couldn't trap 	I couldn't be trapping
you couldn't be trapping
he couldn't be trapping
we couldn't be trapping
you couldn't be trapping
they couldn't be trapping	I couldn't have trapped
you couldn't have trapped
he couldn't have trapped
we couldn't have trapped
you couldn't have trapped
they couldn't have trapped	I couldn't have been trapping
you couldn't have been trapping
he couldn't have been trapping
we couldn't have been trapping
you couldn't have been trapping
they couldn't have been trapping	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I trap?
could you trap?
could he trap?
could we trap?
could you trap?
could they trap? 	could I be trapping?
could you be trapping?
could he be trapping?
could we be trapping?
could you be trapping?
could they be trapping? 	could I have trapped?
could you have trapped?
could he have trapped?
could we have trapped?
could you have trapped?
could they have trapped? 	could I have been trapping?
could you have been trapping?
could he have been trapping?
could we have been trapping?
could you have been trapping?
could they have been trapping? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I trap?
couldn't you trap?
couldn't he trap?
couldn't we trap?
couldn't you trap?
couldn't they trap? 	couldn't I be trapping?
couldn't you be trapping?
couldn't he be trapping?
couldn't we be trapping?
couldn't you be trapping?
couldn't they be trapping? 	couldn't I have trapped?
couldn't you have trapped?
couldn't he have trapped?
couldn't we have trapped?
couldn't you have trapped?
couldn't they have trapped? 	couldn't I have been trapping?
couldn't you have been trapping?
couldn't he have been trapping?
couldn't we have been trapping?
couldn't you have been trapping?
couldn't they have been trapping?