English verb conjugation
CAN CRAVE

Regular verb: crave - craved - craved

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?