I can subdivide you can subdivide he can subdivide we can subdivide you can subdivide they can subdivide
V-ing form
I can be subdividing you can be subdividing he can be subdividing we can be subdividing you can be subdividing they can be subdividing
Perfect
I can have subdivided you can have subdivided he can have subdivided we can have subdivided you can have subdivided they can have subdivided
V-ing perfect
I can have been subdividing you can have been subdividing he can have been subdividing we can have been subdividing you can have been subdividing they can have been subdividing
Negation
Simple form
I cannot subdivide you cannot subdivide he cannot subdivide we cannot subdivide you cannot subdivide they cannot subdivide
V-ing form
I cannot be subdividing you cannot be subdividing he cannot be subdividing we cannot be subdividing you cannot be subdividing they cannot be subdividing
Perfect
I cannot have subdivided you cannot have subdivided he cannot have subdivided we cannot have subdivided you cannot have subdivided they cannot have subdivided
V-ing perfect
I cannot have been subdividing you cannot have been subdividing he cannot have been subdividing we cannot have been subdividing you cannot have been subdividing they cannot have been subdividing
Interrogative form
Simple form
can I subdivide? can you subdivide? can he subdivide? can we subdivide? can you subdivide? can they subdivide?
V-ing form
can I be subdividing? can you be subdividing? can he be subdividing? can we be subdividing? can you be subdividing? can they be subdividing?
Perfect
can I have subdivided? can you have subdivided? can he have subdivided? can we have subdivided? can you have subdivided? can they have subdivided?
V-ing perfect
can I have been subdividing? can you have been subdividing? can he have been subdividing? can we have been subdividing? can you have been subdividing? can they have been subdividing?
Interro-negative form
Simple form
can I not subdivide? can you not subdivide? can he not subdivide? can we not subdivide? can you not subdivide? can they not subdivide?
V-ing form
can I not be subdividing? can you not be subdividing? can he not be subdividing? can we not be subdividing? can you not be subdividing? can they not be subdividing?
Perfect
can I not have subdivided? can you not have subdivided? can he not have subdivided? can we not have subdivided? can you not have subdivided? can they not have subdivided?
V-ing perfect
can I not have been subdividing? can you not have been subdividing? can he not have been subdividing? can we not have been subdividing? can you not have been subdividing? can they not have been subdividing?