two-point closed scale motion morphemes such as jin "enter" and chu "exit", as in (5).
(5) gun/luo/hui/jin-dao xuexiao roll/fall/return/enter-arrive school "roll to/fall to/return to/enter the school" to better reflect the possible motion constructions that exist and do not exist in Chinese, we propose a revised Motion Morpheme Hierarchy in which multi-point and two-point closed scale motion morphemes are grouped together, whereas the special motion morpheme dao "arrive" is listed separately in a box with dotted-line border in the rightmost position of the hierarchy; the new hierarchy is given in (6).