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B1 Intermediate Sentence Structure

Topic-Comment Sentences in Chinese: Putting the Topic First

Chinese loves to name what you’re talking about first. You lift a phrase (very often the object) to the front as the topic, put a comma after it, and let the rest of the sentence, the comment, follow in normal order: 这本书，我看过 (“This book, I’ve read it”). The topic can be an object, a whole category, someone’s affairs, or a situation. Two rules keep it clean: mark the break with a comma, and leave no “it” behind in the comment.

Why this trips learners up

If you’ve wondered why the object sometimes comes first in Chinese, you’ve met a topic-comment sentence. Chinese is a topic-prominent language: to spotlight or contrast something, you move it to the very front as the topic, and everything after it is the comment on that topic. The shape is simply Topic ，Comment: 这本书，我看过 (“This book, I’ve read it”), 蔬菜，我最喜欢西红柿 (“Vegetables, I like tomatoes best”).

The single most important habit when you write one down is the comma. It marks the pause after the topic and tells the reader where the framing ends and the real sentence begins. 这个问题，你一个人没办法解决 (“This problem, there’s no way you can solve it alone”) needs that comma right after 这个问题; without it the sentence runs together and the topic stops standing out. In speech the same job is done by a tiny pause.

The second habit is harder for speakers of European languages: don’t leave a pronoun behind in the comment. When the fronted topic is the object, the slot it came from stays empty. So it’s 那部电影，我看过 (“That movie, I’ve seen it”), not 那部电影，我看过它. The “it” you’d say in English, or the ça / le / lo you’d add in French or Spanish, is simply dropped, because the topic already told everyone what you’re talking about. The comment is otherwise a completely normal sentence, with its own subject and verb: 我的手机，妹妹弄丢了 (“My phone, my little sister lost it”), where 妹妹弄丢了 is a full clause about the fronted 我的手机.

Almost anything can be a topic, not just the object. A broad category can head the sentence and the comment picks out a detail (水果，我最爱吃草莓, “Fruit, I love strawberries best”). Someone’s affairs can be the topic (你的事，你自己决定, “Your business, you decide it yourself”). Even a whole clause can sit up front: 你借我的钱，还没还吧 (“The money you borrowed from me, you still haven’t paid it back, right?”). The test is always the same: state the thing you want to talk about, drop a comma, then comment on it in ordinary word order. Once this clicks, a lot of “strange” Chinese word order suddenly makes sense.

The structure

Pattern ， Other
Colour key

Each colour marks one grammatical role — and the same colour means the same role on every page in the Lab.

Pattern Subject Verb Object Negation Adverb Function word Question Other

Examples in context

Real-world sentences, easiest first. Toggle pinyin or the translation, tap any word to see its role, or play the audio.

Tap a word to see its grammatical role.

zhè 这 Pattern běn 本 Pattern shū 书 Pattern ， Function word wǒ 我 Subject kàn 看 Verb guo 过 Function word

This book, I’ve read it. (The object 这本书 is fronted as the topic; the slot after 看过 stays empty.)

shūcài 蔬菜 Pattern ， Function word wǒ 我 Subject zuì 最 Adverb xǐhuan 喜欢 Verb xīhóngshì 西红柿 Object

Vegetables, I like tomatoes best. (A broad category as topic, a specific comment.)

zhè 这 Pattern jiàn 件 Pattern shì 事 Pattern ， Function word nǐ 你 Subject zhīdào 知道 Verb ma 吗 Question

This matter, do you know about it? (A topic followed by a yes/no comment.)

nǐ de 你的 Pattern shì 事 Pattern ， Function word nǐ 你 Subject zìjǐ 自己 Adverb juédìng 决定 Verb

Your business, you decide it yourself. (Someone’s affairs as the topic.)

wǒ de 我的 Pattern shǒujī 手机 Pattern ， Function word mèimei 妹妹 Subject nòng diū 弄丢 Verb le 了 Function word

My phone, my little sister lost it. (The comment 妹妹弄丢了 is a full clause about the fronted object.)

zhège 这个 Pattern jìhuà 计划 Pattern ， Function word lǎobǎn 老板 Subject ràng 让 Verb wǒ 我 Object fùzé 负责 Verb

This project, the boss put me in charge of it. (A topic with a causative comment.)

zhège 这个 Pattern yóuxì 游戏 Pattern ， Function word wán 玩 Verb guo 过 Function word de 的 Function word rén 人 Subject dōu 都 Adverb xǐhuan 喜欢 Verb

This game, everyone who’s played it likes it. (The comment’s subject is itself a relative clause.)

nǐ 你 Pattern jiè 借 Pattern wǒ de 我的 Pattern qián 钱 Pattern ， Function word hái 还 Adverb méi 没 Negation huán 还 Verb ba 吧 Function word

The money you borrowed from me, you still haven’t paid it back, right? (A whole clause as the topic.)

Common mistakes

Avoid: 那部电影，我看过它。 nà bù diànyǐng, wǒ kàn guo tā.
Say this: 那部电影，我看过。 nà bù diànyǐng, wǒ kàn guo.

Why it happens: No resumptive pronoun. The fronted object leaves an empty gap, so it’s 那部电影，我看过, not 那部电影，我看过它. The topic has already named the thing; adding 它 for an inanimate object sounds wrong in Chinese, even though English keeps “it”.

Avoid: 这个问题你一个人没办法解决。 zhège wèntí nǐ yīgè rén méi bànfǎ jiějué.
Say this: 这个问题，你一个人没办法解决。 zhège wèntí, nǐ yīgè rén méi bànfǎ jiějué.

Why it happens: When you write it down, put a comma after the topic. 这个问题，你一个人没办法解决 needs the comma to mark where the framing ends; without it the sentence runs together and the topic loses its spotlight.

Avoid: 这个问题你，一个人没办法解决。 zhège wèntí nǐ, yīgè rén méi bànfǎ jiějué.
Say this: 这个问题，你一个人没办法解决。 zhège wèntí, nǐ yīgè rén méi bànfǎ jiějué.

Why it happens: The comma follows the topic, not the comment’s subject. It’s 这个问题，你一个人没办法解决, not 这个问题你，一个人没办法解决. The pause sits at the topic boundary (after 这个问题), so 你 belongs with the comment that comes after it.

Compare & contrast

Topic-comment: fronted, with a commaNeutral order: the plain statementThe difference
这本书，我看过。zhè běn shū, wǒ kàn guo = “This book, I’ve read it” (the book is the topic, spotlighted up front)我看过这本书。wǒ kàn guo zhè běn shū = “I’ve read this book” (neutral order, nothing singled out)这本书，我看过 lifts 这本书 to the front as the topic and spotlights it (“as for this book, I’ve read it”). 我看过这本书 is the neutral order, a plain report with nothing singled out. Same words, but the fronting adds emphasis the flat order doesn’t carry.
中文，我喜欢；英文，我不喜欢。zhōngwén, wǒ xǐhuan; yīngwén, wǒ bù xǐhuan = “Chinese I like; English I don’t” (topics play off each other)我喜欢中文。wǒ xǐhuan zhōngwén = “I like Chinese” (a plain assertion, no contrast implied)中文，我喜欢；英文，我不喜欢 fronts two topics so they play off each other (“Chinese I like; English I don’t”), a contrast the neutral 我喜欢中文 can’t set up on its own. Topicalizing is how Chinese frames “as for X … but as for Y …”.
Rule of thumbWhen you want to spotlight or contrast something, move it to the front, drop a comma after it, and comment on it in normal word order, leaving the vacated slot empty (no “it”). When you’re just stating a fact plainly, keep the neutral subject-verb-object order.

Try it yourself

Say “Chinese, I really like it,” fronting 中文 as the topic. Don’t forget the comma: 中文，我很喜欢。

Related patterns

我吃饭How to Build a Basic Chinese Sentence

Topic-comment is a rearrangement of the basic subject-verb-object order: you lift one part to the front and comment on it. Learn the neutral order first, then this is the move that bends it for emphasis.

 把把 (bǎ) Sentence Structure

Two ways to get the object out of its default slot: 把 moves it in front of the verb to act on it (把书看完), while topic-comment lifts it all the way to the front as the thing you’re talking about (这本书，我看完了). Both reshape word order, for different reasons.

 呢How to Say “What About…?” with 呢 (ne)

呢 turns a bare topic into a “what about…?” question (你呢？, 这个呢？). It’s the topic move in miniature: name the thing, then let 呢 ask about it instead of a full comment.

 的的 (de): How to Describe Nouns with Adjectives

Topics are often long noun phrases built with 的: 你借我的钱 (“the money you borrowed from me”), 玩过的人 (“people who’ve played it”). The 的 relative clause is how you build a topic big enough to be worth fronting.

 就是How to Emphasize with 就是 (jiùshì)

Both add emphasis, in different places: fronting makes a phrase the topic of the whole sentence, while 就是 stresses one word inside the comment (我就是喜欢). Frame-level spotlight versus in-clause stress.

 被How to Form the Passive Voice with 被 (bèi)

The doer-free notional passive is really a topic-comment sentence: 作业做完了, 饭做好了 front the affected thing and comment on it, saying what a 被 passive would say, without 被.

 不会不来Double Negatives in Chinese (不会不, 不是不, 没有一个不)

The “not a single one” double negative usually rides on a topic: 这些菜，没有一个不辣的. Name the group, then deny any exception, so all of them qualify.

 连……都How to Say “Even” with 连……都 (lián… dōu)

The object version of 连…都 fronts the object like a topic: 他连狗肉都吃. 连 tags that fronted item as the surprising one, then 都 carries the emphasis.

 来说How to Say “From My Perspective” in Chinese (来说)

来说 is a ready-made way to front a frame. A topic-comment sentence lifts what you’re talking about to the front; 对我来说 / 一般来说 lifts the angle you’re talking FROM to the front, then the comment follows.

 嘛How to Mark a Topic with 嘛 (ma)

A casual particle for flagging the topic out loud. Topic-comment fronts what you're talking about; 嘛 is one way to mark where that fronted topic ends, with a knowing “well, it's X” tone (老板嘛，总是很忙). The bare fronting does the structure; 嘛 adds the colloquial shrug.
Quick reference card
Merry Mandarin Topic-Comment Sentences in Chinese: Putting the Topic First grammar.merrymandarin.com

A pocket summary — print it and keep it by your desk.

Structure
Pattern + ， + Other
Example
这本书，我看过
This book, I’ve read it. (The object 这本书 is fronted as the topic; the slot after 看过 stays empty.)
Watch out
✗ 那部电影，我看过它。  →  ✓ 那部电影，我看过。