Someone (mang-) makes something standing upright (-en) fall over, topple.
tuáng
tumbá
alba
Mangalba ka so kayo a ragadyen ta.
Topple the tree that we sawed.
Albahen mo narokop a kayo.
Topple the rotten tree.
Someone or something (ma-) has fallen over from an upright position.
nakalbān
The place where someone or something falls over.