Adverb as Substantive. 346. Adverbs of time and place precede substantives with 個 kú‘, just as one substantive precedes another.

Obs.先 síen, is an adverb in síen yau‘ ’tsung ’tung ’hau, 先要整頓 好, you must first make preparations, and an adjective in 出世最先 t’seh sz‘ tsûe‘ síen, he was born very early.

347. When the adverbs take case particles, they must be regarded as substantives.

Adverb as Adjective. 348. The derivative adverbs like the pure adjectives, form the predicate of a proposition.

Or they qualify substantives.

Adjective as Adverb. 349. Some adjectives precede verbs, and must in such cases be regarded as adverbs.