causatives (Shiyi-Constructions);semantic bleaching;grammaticalization;generalization;de-categorializaiton;passives;unwilling permissives;causative passives;reflexive permissions;adversative passives

• 关键词:使役结构;致使;虚化;语法化;泛化;降类;使役句;被动句;非自愿允让;使役被动句;反身允让句;不幸被动句