Measure words: why it's never just 三书
Every Chinese noun counts through a measure word. The system behind 个, 本, 张 — and which few you actually need.
The rule with no exceptions
Between a number (or 这/那/几) and a noun, Chinese always inserts a measure word: 三本书, never 三书. English does this for some nouns — two CUPS of tea, three SHEETS of paper — Chinese simply does it for all of them.
我买了三本书。
这条路很长。
The shape logic
Most measure words classify by shape or kind: 本 for bound volumes, 张 for flat things (paper, tables, tickets), 条 for long bendy things (roads, rivers, fish), 只 for many animals, 杯 for cupfuls, 件 for items of clothing or matters, 位 for people you're being polite about.
一张桌子
两只猫
一杯茶
三件衣服
When in doubt: 个
个 (gè) is the general-purpose measure word — right for people and abstract things, understood everywhere even where a more specific one exists. Learn nouns together with their measure word, but never let a forgotten one stop a sentence: 个 keeps you talking.
他们有两个孩子。
Look up the words: 个, 本, 张 · All grammar guides
Patterns stick when you meet them in sentences you can read. The app drills each one at i+1, scheduled by FSRS.
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