could crave
Verbo regular: crave - craved- craved

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could crave
you could crave
she could crave
we could crave
you could crave
they could crave 	I could be craving
you could be craving
she could be craving
we could be craving
you could be craving
they could be craving	I could have craved
you could have craved
she could have craved
we could have craved
you could have craved
they could have craved	I could have been craving
you could have been craving
she could have been craving
we could have been craving
you could have been craving
they could have been craving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't crave
you couldn't crave
she couldn't crave
we couldn't crave
you couldn't crave
they couldn't crave 	I couldn't be craving
you couldn't be craving
she couldn't be craving
we couldn't be craving
you couldn't be craving
they couldn't be craving	I couldn't have craved
you couldn't have craved
she couldn't have craved
we couldn't have craved
you couldn't have craved
they couldn't have craved	I couldn't have been craving
you couldn't have been craving
she couldn't have been craving
we couldn't have been craving
you couldn't have been craving
they couldn't have been craving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I crave?
could you crave?
could she crave?
could we crave?
could you crave?
could they crave? 	could I be craving?
could you be craving?
could she be craving?
could we be craving?
could you be craving?
could they be craving? 	could I have craved?
could you have craved?
could she have craved?
could we have craved?
could you have craved?
could they have craved? 	could I have been craving?
could you have been craving?
could she have been craving?
could we have been craving?
could you have been craving?
could they have been craving? 	

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