I can shave you can shave she can shave we can shave you can shave they can shave
V-ing form
I can be shaving you can be shaving she can be shaving we can be shaving you can be shaving they can be shaving
Perfect
I can have shaven, shaved you can have shaven, shaved she can have shaven, shaved we can have shaven, shaved you can have shaven, shaved they can have shaven, shaved
V-ing perfect
I can have been shaving you can have been shaving she can have been shaving we can have been shaving you can have been shaving they can have been shaving
Negation
Simple form
I cannot shave you cannot shave she cannot shave we cannot shave you cannot shave they cannot shave
V-ing form
I cannot be shaving you cannot be shaving she cannot be shaving we cannot be shaving you cannot be shaving they cannot be shaving
Perfect
I cannot have shaven, shaved you cannot have shaven, shaved she cannot have shaven, shaved we cannot have shaven, shaved you cannot have shaven, shaved they cannot have shaven, shaved
V-ing perfect
I cannot have been shaving you cannot have been shaving she cannot have been shaving we cannot have been shaving you cannot have been shaving they cannot have been shaving
Interrogative form
Simple form
can I shave? can you shave? can she shave? can we shave? can you shave? can they shave?
V-ing form
can I be shaving? can you be shaving? can she be shaving? can we be shaving? can you be shaving? can they be shaving?
Perfect
can I have shaven, shaved? can you have shaven, shaved? can she have shaven, shaved? can we have shaven, shaved? can you have shaven, shaved? can they have shaven, shaved?
V-ing perfect
can I have been shaving? can you have been shaving? can she have been shaving? can we have been shaving? can you have been shaving? can they have been shaving?
Interro-negative form
Simple form
can I not shave? can you not shave? can she not shave? can we not shave? can you not shave? can they not shave?
V-ing form
can I not be shaving? can you not be shaving? can she not be shaving? can we not be shaving? can you not be shaving? can they not be shaving?
Perfect
can I not have shaven, shaved? can you not have shaven, shaved? can she not have shaven, shaved? can we not have shaven, shaved? can you not have shaven, shaved? can they not have shaven, shaved?
V-ing perfect
can I not have been shaving? can you not have been shaving? can she not have been shaving? can we not have been shaving? can you not have been shaving? can they not have been shaving?