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 can't neglect you can't neglect he can't neglect we can't neglect you can't neglect they can't neglect
V-ing form
I can't be neglecting you can't be neglecting he can't be neglecting we can't be neglecting you can't be neglecting they can't be neglecting
Perfect
I can't have neglected you can't have neglected he can't have neglected we can't have neglected you can't have neglected they can't have neglected
V-ing perfect
I can't have been neglecting you can't have been neglecting he can't have been neglecting we can't have been neglecting you can't have been neglecting they can't 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't I neglect? can't you neglect? can't he neglect? can't we neglect? can't you neglect? can't they neglect?
V-ing form
can't I be neglecting? can't you be neglecting? can't he be neglecting? can't we be neglecting? can't you be neglecting? can't they be neglecting?
Perfect
can't I have neglected? can't you have neglected? can't he have neglected? can't we have neglected? can't you have neglected? can't they have neglected?
V-ing perfect
can't I have been neglecting? can't you have been neglecting? can't he have been neglecting? can't we have been neglecting? can't you have been neglecting? can't they have been neglecting?