could simple
Verbo regular: simple - simpled- simpled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could simple
you could simple
she could simple
we could simple
you could simple
they could simple 	I could be simpling
you could be simpling
she could be simpling
we could be simpling
you could be simpling
they could be simpling	I could have simpled
you could have simpled
she could have simpled
we could have simpled
you could have simpled
they could have simpled	I could have been simpling
you could have been simpling
she could have been simpling
we could have been simpling
you could have been simpling
they could have been simpling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't simple
you couldn't simple
she couldn't simple
we couldn't simple
you couldn't simple
they couldn't simple 	I couldn't be simpling
you couldn't be simpling
she couldn't be simpling
we couldn't be simpling
you couldn't be simpling
they couldn't be simpling	I couldn't have simpled
you couldn't have simpled
she couldn't have simpled
we couldn't have simpled
you couldn't have simpled
they couldn't have simpled	I couldn't have been simpling
you couldn't have been simpling
she couldn't have been simpling
we couldn't have been simpling
you couldn't have been simpling
they couldn't have been simpling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I simple?
could you simple?
could she simple?
could we simple?
could you simple?
could they simple? 	could I be simpling?
could you be simpling?
could she be simpling?
could we be simpling?
could you be simpling?
could they be simpling? 	could I have simpled?
could you have simpled?
could she have simpled?
could we have simpled?
could you have simpled?
could they have simpled? 	could I have been simpling?
could you have been simpling?
could she have been simpling?
could we have been simpling?
could you have been simpling?
could they have been simpling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I simple?
couldn't you simple?
couldn't she simple?
couldn't we simple?
couldn't you simple?
couldn't they simple? 	couldn't I be simpling?
couldn't you be simpling?
couldn't she be simpling?
couldn't we be simpling?
couldn't you be simpling?
couldn't they be simpling? 	couldn't I have simpled?
couldn't you have simpled?
couldn't she have simpled?
couldn't we have simpled?
couldn't you have simpled?
couldn't they have simpled? 	couldn't I have been simpling?
couldn't you have been simpling?
couldn't she have been simpling?
couldn't we have been simpling?
couldn't you have been simpling?
couldn't they have been simpling?