I can bit you can bit he can bit we can bit you can bit they can bit
V-ing form
I can be biting you can be biting he can be biting we can be biting you can be biting they can be biting
Perfect
I can have bited you can have bited he can have bited we can have bited you can have bited they can have bited
V-ing perfect
I can have been biting you can have been biting he can have been biting we can have been biting you can have been biting they can have been biting
Negation
Simple form
I cannot bit you cannot bit he cannot bit we cannot bit you cannot bit they cannot bit
V-ing form
I cannot be biting you cannot be biting he cannot be biting we cannot be biting you cannot be biting they cannot be biting
Perfect
I cannot have bited you cannot have bited he cannot have bited we cannot have bited you cannot have bited they cannot have bited
V-ing perfect
I cannot have been biting you cannot have been biting he cannot have been biting we cannot have been biting you cannot have been biting they cannot have been biting
Interrogative form
Simple form
can I bit? can you bit? can he bit? can we bit? can you bit? can they bit?
V-ing form
can I be biting? can you be biting? can he be biting? can we be biting? can you be biting? can they be biting?
Perfect
can I have bited? can you have bited? can he have bited? can we have bited? can you have bited? can they have bited?
V-ing perfect
can I have been biting? can you have been biting? can he have been biting? can we have been biting? can you have been biting? can they have been biting?
Interro-negative form
Simple form
can I not bit? can you not bit? can he not bit? can we not bit? can you not bit? can they not bit?
V-ing form
can I not be biting? can you not be biting? can he not be biting? can we not be biting? can you not be biting? can they not be biting?
Perfect
can I not have bited? can you not have bited? can he not have bited? can we not have bited? can you not have bited? can they not have bited?
V-ing perfect
can I not have been biting? can you not have been biting? can he not have been biting? can we not have been biting? can you not have been biting? can they not have been biting?