Tone number 0, typically written with two consecutive hyphens before the syllable with this tone, is used to mark enclitics denoting the extent of a verb action, the end of a noun phrase, etc. A frequent use of this tone is to denote a question, such as in "Chia̍h-pá--bē?", literally meaning 'Have you eaten yet?’. This is realized by speaking the syllable with either a low-falling tone (3) or a low stop (4). The syllable prior to the maintains its original tone.