Breakdown of xuéxiào duì zuòyè de biāozhǔn shì, měitiān zhìshǎo xiě sān gè jùzi.
Used when counting nouns or when specifying a specific instance of a noun.
There are also classifiers for people, for bound items such as books and magazines, for cups/glasses, etc.
The classifier 个 is a general one that can be used for any of these.
Questions & Answers about xuéxiào duì zuòyè de biāozhǔn shì, měitiān zhìshǎo xiě sān gè jùzi.
The structure is:
- 学校对作业的标准 – topic/subject phrase: the school’s standard for homework
- 是 – linking verb “is”
- ,每天至少写三个句子 – the standard itself: to write at least three sentences every day
So you can map it directly to English:
学校对作业的标准 是 每天至少写三个句子。
The school’s standard for homework is to write at least three sentences every day.
The part 每天至少写三个句子 is a verb phrase used as a complement after 是. There is no explicit subject (“students”), but it is understood from context—this is very common in Chinese.