I can rave you can rave she can rave we can rave you can rave they can rave
V-ing form
I can be raving you can be raving she can be raving we can be raving you can be raving they can be raving
Perfect
I can have raved you can have raved she can have raved we can have raved you can have raved they can have raved
V-ing perfect
I can have been raving you can have been raving she can have been raving we can have been raving you can have been raving they can have been raving
Negation
Simple form
I cannot rave you cannot rave she cannot rave we cannot rave you cannot rave they cannot rave
V-ing form
I cannot be raving you cannot be raving she cannot be raving we cannot be raving you cannot be raving they cannot be raving
Perfect
I cannot have raved you cannot have raved she cannot have raved we cannot have raved you cannot have raved they cannot have raved
V-ing perfect
I cannot have been raving you cannot have been raving she cannot have been raving we cannot have been raving you cannot have been raving they cannot have been raving
Interrogative form
Simple form
can I rave? can you rave? can she rave? can we rave? can you rave? can they rave?
V-ing form
can I be raving? can you be raving? can she be raving? can we be raving? can you be raving? can they be raving?
Perfect
can I have raved? can you have raved? can she have raved? can we have raved? can you have raved? can they have raved?
V-ing perfect
can I have been raving? can you have been raving? can she have been raving? can we have been raving? can you have been raving? can they have been raving?
Interro-negative form
Simple form
can I not rave? can you not rave? can she not rave? can we not rave? can you not rave? can they not rave?
V-ing form
can I not be raving? can you not be raving? can she not be raving? can we not be raving? can you not be raving? can they not be raving?
Perfect
can I not have raved? can you not have raved? can she not have raved? can we not have raved? can you not have raved? can they not have raved?
V-ing perfect
can I not have been raving? can you not have been raving? can she not have been raving? can we not have been raving? can you not have been raving? can they not have been raving?