I can housebreak you can housebreak he can housebreak we can housebreak you can housebreak they can housebreak
V-ing form
I can be housebreaking you can be housebreaking he can be housebreaking we can be housebreaking you can be housebreaking they can be housebreaking
Perfect
I can have housebroken you can have housebroken he can have housebroken we can have housebroken you can have housebroken they can have housebroken
V-ing perfect
I can have been housebreaking you can have been housebreaking he can have been housebreaking we can have been housebreaking you can have been housebreaking they can have been housebreaking
Negation
Simple form
I cannot housebreak you cannot housebreak he cannot housebreak we cannot housebreak you cannot housebreak they cannot housebreak
V-ing form
I cannot be housebreaking you cannot be housebreaking he cannot be housebreaking we cannot be housebreaking you cannot be housebreaking they cannot be housebreaking
Perfect
I cannot have housebroken you cannot have housebroken he cannot have housebroken we cannot have housebroken you cannot have housebroken they cannot have housebroken
V-ing perfect
I cannot have been housebreaking you cannot have been housebreaking he cannot have been housebreaking we cannot have been housebreaking you cannot have been housebreaking they cannot have been housebreaking
Interrogative form
Simple form
can I housebreak? can you housebreak? can he housebreak? can we housebreak? can you housebreak? can they housebreak?
V-ing form
can I be housebreaking? can you be housebreaking? can he be housebreaking? can we be housebreaking? can you be housebreaking? can they be housebreaking?
Perfect
can I have housebroken? can you have housebroken? can he have housebroken? can we have housebroken? can you have housebroken? can they have housebroken?
V-ing perfect
can I have been housebreaking? can you have been housebreaking? can he have been housebreaking? can we have been housebreaking? can you have been housebreaking? can they have been housebreaking?
Interro-negative form
Simple form
can I not housebreak? can you not housebreak? can he not housebreak? can we not housebreak? can you not housebreak? can they not housebreak?
V-ing form
can I not be housebreaking? can you not be housebreaking? can he not be housebreaking? can we not be housebreaking? can you not be housebreaking? can they not be housebreaking?
Perfect
can I not have housebroken? can you not have housebroken? can he not have housebroken? can we not have housebroken? can you not have housebroken? can they not have housebroken?
V-ing perfect
can I not have been housebreaking? can you not have been housebreaking? can he not have been housebreaking? can we not have been housebreaking? can you not have been housebreaking? can they not have been housebreaking?