I can neaten you can neaten she can neaten we can neaten you can neaten they can neaten
V-ing form
I can be neatening you can be neatening she can be neatening we can be neatening you can be neatening they can be neatening
Perfect
I can have neatened you can have neatened she can have neatened we can have neatened you can have neatened they can have neatened
V-ing perfect
I can have been neatening you can have been neatening she can have been neatening we can have been neatening you can have been neatening they can have been neatening
Negation
Simple form
I cannot neaten you cannot neaten she cannot neaten we cannot neaten you cannot neaten they cannot neaten
V-ing form
I cannot be neatening you cannot be neatening she cannot be neatening we cannot be neatening you cannot be neatening they cannot be neatening
Perfect
I cannot have neatened you cannot have neatened she cannot have neatened we cannot have neatened you cannot have neatened they cannot have neatened
V-ing perfect
I cannot have been neatening you cannot have been neatening she cannot have been neatening we cannot have been neatening you cannot have been neatening they cannot have been neatening
Interrogative form
Simple form
can I neaten? can you neaten? can she neaten? can we neaten? can you neaten? can they neaten?
V-ing form
can I be neatening? can you be neatening? can she be neatening? can we be neatening? can you be neatening? can they be neatening?
Perfect
can I have neatened? can you have neatened? can she have neatened? can we have neatened? can you have neatened? can they have neatened?
V-ing perfect
can I have been neatening? can you have been neatening? can she have been neatening? can we have been neatening? can you have been neatening? can they have been neatening?
Interro-negative form
Simple form
can I not neaten? can you not neaten? can she not neaten? can we not neaten? can you not neaten? can they not neaten?
V-ing form
can I not be neatening? can you not be neatening? can she not be neatening? can we not be neatening? can you not be neatening? can they not be neatening?
Perfect
can I not have neatened? can you not have neatened? can she not have neatened? can we not have neatened? can you not have neatened? can they not have neatened?
V-ing perfect
can I not have been neatening? can you not have been neatening? can she not have been neatening? can we not have been neatening? can you not have been neatening? can they not have been neatening?