{{Grammar Box}} The verb 在 (zài) expresses existence in a location, similar to how we say in English, "to be at" or "to be in." == Structure == The verb 在 (zài) is used to express existence in a place. English does not have a verb exclusively for this purpose, and instead uses "to be" with a [[Prepositions|preposition]]. In Chinese, 在 (zài) can cover both of these roles.