Classifiers
THE key Vietnamese grammar feature: cái, con, người, chiếc, cuốn, etc.
Can use common Vietnamese classifiers (cái, con, người, cuốn) correctly with numbers and demonstratives
Look at these examples. Can you spot the grammar pattern?
Tôi có hai con chó và ba con mèo.
I have two dogs and three cats.
Cho tôi một ly cà phê sữa đá.
Give me an iced coffee with milk.
Cái áo này đẹp quá!
This shirt is so beautiful!
Pay attention to the highlighted parts. What do they have in common?
Loại từ — Classifiers
Classifiers are THE most distinctively Vietnamese grammar feature. When counting or pointing at nouns, you MUST insert a classifier between the number/demonstrative and the noun.
| Classifier | Used for | Example |
|---|---|---|
| cái | General objects, things | một cái bàn (a table) |
| con | Animals, some objects | hai con mèo (two cats) |
| người | People | ba người bạn (three friends) |
| chiếc | Single items (vehicles, shoes) | một chiếc xe (a car) |
| cuốn/quyển | Books, notebooks | năm cuốn sách (five books) |
| cây | Long thin things, trees | một cây bút (a pen) |
| tờ | Flat things (paper, bills) | một tờ giấy (a sheet of paper) |
| ly/cốc | Cups/glasses (of liquid) | một ly cà phê (a cup of coffee) |
| bức | Pictures, paintings, walls | một bức tranh (a painting) |
Pattern: number + CLASSIFIER + noun. Một cái bàn = one [thing-classifier] table = a table.
With demonstratives: CLASSIFIER + noun + này/đó/kia. Con mèo này = this cat. Cái bàn đó = that table.
cái as default: When unsure, cái works for most inanimate objects. It's the safest choice!
Common Error Patterns
Omitted the classifier between number and noun
Vietnamese REQUIRES a classifier between numbers/demonstratives and nouns. Not *hai mèo but hai CON mèo. Not *một bàn but một CÁI bàn.
Used the wrong classifier category
Common classifiers: cái (objects), con (animals), người (people), cuốn (books), cây (long thin things), ly (drinks). When unsure, use cái for objects.
Tôi có hai con chó và ba con mèo.
I have two dogs and three cats.
con = animal classifier. You MUST say hai CON chó, not *hai chó. Every counted animal needs con!
Cho tôi một ly cà phê sữa đá.
Give me an iced coffee with milk.
ly = glass/cup classifier. một ly cà phê = a glass of coffee. This is how you order drinks in Vietnam!
Cái áo này đẹp quá!
This shirt is so beautiful!
With demonstratives: classifier + noun + này/đó. Cái áo này = this shirt. The classifier cái comes BEFORE the noun, này comes AFTER.
Practice in course
Apply this grammar in A1 course exercises
Put it into practice
Try a free exercise from the courseFrequently asked questions
- When is Loại từ (Classifiers) used?
- Classifiers are THE most distinctively Vietnamese grammar feature. When counting or pointing at nouns, you MUST insert a classifier between the number/demonstrative and the noun.
- How is Loại từ (Classifiers) formed?
- Pattern: number + CLASSIFIER + noun. Một cái bàn = one [thing-classifier] table = a table. With demonstratives: CLASSIFIER + noun + này/đó/kia. Con mèo này = this cat. Cái bàn đó = that table. cái as default: When unsure, cái works for most inanimate objects. It's the safest choice!
- What are common mistakes with Loại từ (Classifiers)?
- Omitting classifiers entirely or using the wrong one. 🇬🇧 English speakers: English has NO classifiers (except 'a piece of', 'a glass of'), so learners omit them: *một bàn instead of một cái bàn. This is the biggest structural difference. 🇩🇪 German speakers: German has grammatical gender (der/die/das) which is somewhat analogous — classifiers categorize nouns. But you can't skip them like you sometimes can German articles. 🇷🇺 Russian speakers: Russian has no classifiers and no articles. Double challenge: Vietnamese requires BOTH a number AND a classifier. *Два кошки ≠ *hai mèo — must be hai con mèo. 🇨🇿 Czech speakers: Czech also lacks classifiers. The concept is entirely foreign.