Number + Measure Word + Noun
数量词
When counting or specifying quantities in Chinese, the pattern is always Number + Measure Word + Noun. The number 二 changes to 两 (liǎng) before measure words.
Pattern
Number + Measure Word + Noun
Explanation
Every time you want to express a quantity in Chinese — "three people," "two books," "one cup" — you must use the pattern: Number + Measure Word + Noun. This was introduced in the basic measure words lesson, and this pattern extends to all counting situations in Chinese. You will never see a number placed directly before a noun without a measure word in between.
An important detail for beginners: the number 2 has two forms. 二 (èr) is used for counting, phone numbers, and math. But when 2 appears before a measure word, it changes to 两 (liǎng). "Two people" is "两个人" (liǎng gè rén), not "二个人." "Two books" is "两本书" (liǎng běn shū). This rule applies consistently whenever 2 is followed by a measure word.
This pattern also interacts with verbs. When you perform an action involving a quantity, the Number + Measure Word + Noun phrase acts as the object: "我买了三本书" (I bought three books). When asking "how many," use 几 (jǐ) for small expected numbers (under 10) and 多少 (duōshao) for larger or unknown quantities. "你有几个孩子?" (How many children do you have?) vs. "这个学校有多少学生?" (How many students does this school have?).
Examples
三个人
sān gè rén
three people
两本书
liǎng běn shū
two books
Use 两 (not 二) before measure words
我想买五个苹果。
Wǒ xiǎng mǎi wǔ gè píngguǒ.
I want to buy five apples.
她有两只猫。
Tā yǒu liǎng zhī māo.
She has two cats.
只 (zhī) is the measure word for small animals
你有几个朋友?
Nǐ yǒu jǐ gè péngyǒu?
How many friends do you have?
几 is used to ask "how many" for small numbers
Common Mistakes
Wrong
二个人
Correct
两个人
Before measure words, the number 2 is always 两 (liǎng), never 二 (èr). This is a fixed rule.
Wrong
三人
Correct
三个人
You cannot skip the measure word between a number and a noun in Chinese. Always include one.
Wrong
我买了书三本。
Correct
我买了三本书。
The number and measure word go BEFORE the noun, not after. The order is always Number + MW + Noun.
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