I can neglect you can neglect he can neglect we can neglect you can neglect they can neglect
V-ing form
I can be neglecting you can be neglecting he can be neglecting we can be neglecting you can be neglecting they can be neglecting
Perfect
I can have neglected you can have neglected he can have neglected we can have neglected you can have neglected they can have neglected
V-ing perfect
I can have been neglecting you can have been neglecting he can have been neglecting we can have been neglecting you can have been neglecting they can have been neglecting
Negation
Simple form
I cannot neglect you cannot neglect he cannot neglect we cannot neglect you cannot neglect they cannot neglect
V-ing form
I cannot be neglecting you cannot be neglecting he cannot be neglecting we cannot be neglecting you cannot be neglecting they cannot be neglecting
Perfect
I cannot have neglected you cannot have neglected he cannot have neglected we cannot have neglected you cannot have neglected they cannot have neglected
V-ing perfect
I cannot have been neglecting you cannot have been neglecting he cannot have been neglecting we cannot have been neglecting you cannot have been neglecting they cannot have been neglecting
Interrogative form
Simple form
can I neglect? can you neglect? can he neglect? can we neglect? can you neglect? can they neglect?
V-ing form
can I be neglecting? can you be neglecting? can he be neglecting? can we be neglecting? can you be neglecting? can they be neglecting?
Perfect
can I have neglected? can you have neglected? can he have neglected? can we have neglected? can you have neglected? can they have neglected?
V-ing perfect
can I have been neglecting? can you have been neglecting? can he have been neglecting? can we have been neglecting? can you have been neglecting? can they have been neglecting?
Interro-negative form
Simple form
can I not neglect? can you not neglect? can he not neglect? can we not neglect? can you not neglect? can they not neglect?
V-ing form
can I not be neglecting? can you not be neglecting? can he not be neglecting? can we not be neglecting? can you not be neglecting? can they not be neglecting?
Perfect
can I not have neglected? can you not have neglected? can he not have neglected? can we not have neglected? can you not have neglected? can they not have neglected?
V-ing perfect
can I not have been neglecting? can you not have been neglecting? can he not have been neglecting? can we not have been neglecting? can you not have been neglecting? can they not have been neglecting?