can crave
Regular verb: crave - craved- craved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crave
you can crave
he can crave
we can crave
you can crave
they can crave 	I can be craving
you can be craving
he can be craving
we can be craving
you can be craving
they can be craving	I can have craved
you can have craved
he can have craved
we can have craved
you can have craved
they can have craved	I can have been craving
you can have been craving
he can have been craving
we can have been craving
you can have been craving
they can have been craving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot crave
you cannot crave
he cannot crave
we cannot crave
you cannot crave
they cannot crave 	I cannot be craving
you cannot be craving
he cannot be craving
we cannot be craving
you cannot be craving
they cannot be craving	I cannot have craved
you cannot have craved
he cannot have craved
we cannot have craved
you cannot have craved
they cannot have craved	I cannot have been craving
you cannot have been craving
he cannot have been craving
we cannot have been craving
you cannot have been craving
they cannot have been craving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crave?
can you crave?
can he crave?
can we crave?
can you crave?
can they crave? 	can I be craving?
can you be craving?
can he be craving?
can we be craving?
can you be craving?
can they be craving? 	can I have craved?
can you have craved?
can he have craved?
can we have craved?
can you have craved?
can they have craved? 	can I have been craving?
can you have been craving?
can he have been craving?
can we have been craving?
can you have been craving?
can they have been craving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not crave?
can you not crave?
can he not crave?
can we not crave?
can you not crave?
can they not crave? 	can I not be craving?
can you not be craving?
can he not be craving?
can we not be craving?
can you not be craving?
can they not be craving? 	can I not have craved?
can you not have craved?
can he not have craved?
can we not have craved?
can you not have craved?
can they not have craved? 	can I not have been craving?
can you not have been craving?
can he not have been craving?
can we not have been craving?
can you not have been craving?
can they not have been craving?