Linking verbs are followed by a subject complement .

连系动词之后须带主语补语。

The resultative AP or PP in the end position, which functions as object-or subject-complement, depicts either the end state of the entity in motion or the path of the motion.

句尾表示结果的形容词或介词短语可作宾语补足语或主语补足语，或描述运动实体的终态，或描述运动的路径。