could raise
Verbo regular: raise - raised- raised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could raise
you could raise
he could raise
we could raise
you could raise
they could raise 	I could be raising
you could be raising
he could be raising
we could be raising
you could be raising
they could be raising	I could have raised
you could have raised
he could have raised
we could have raised
you could have raised
they could have raised	I could have been raising
you could have been raising
he could have been raising
we could have been raising
you could have been raising
they could have been raising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't raise
you couldn't raise
he couldn't raise
we couldn't raise
you couldn't raise
they couldn't raise 	I couldn't be raising
you couldn't be raising
he couldn't be raising
we couldn't be raising
you couldn't be raising
they couldn't be raising	I couldn't have raised
you couldn't have raised
he couldn't have raised
we couldn't have raised
you couldn't have raised
they couldn't have raised	I couldn't have been raising
you couldn't have been raising
he couldn't have been raising
we couldn't have been raising
you couldn't have been raising
they couldn't have been raising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I raise?
could you raise?
could he raise?
could we raise?
could you raise?
could they raise? 	could I be raising?
could you be raising?
could he be raising?
could we be raising?
could you be raising?
could they be raising? 	could I have raised?
could you have raised?
could he have raised?
could we have raised?
could you have raised?
could they have raised? 	could I have been raising?
could you have been raising?
could he have been raising?
could we have been raising?
could you have been raising?
could they have been raising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I raise?
couldn't you raise?
couldn't he raise?
couldn't we raise?
couldn't you raise?
couldn't they raise? 	couldn't I be raising?
couldn't you be raising?
couldn't he be raising?
couldn't we be raising?
couldn't you be raising?
couldn't they be raising? 	couldn't I have raised?
couldn't you have raised?
couldn't he have raised?
couldn't we have raised?
couldn't you have raised?
couldn't they have raised? 	couldn't I have been raising?
couldn't you have been raising?
couldn't he have been raising?
couldn't we have been raising?
couldn't you have been raising?
couldn't they have been raising?