Is my Chinese sentence in the right order?

Paste a sentence to check for 36 classic mistakes and explore the grammar it uses. See the matching patterns highlighted, then open a lesson to practise. Fixed rules, no AI.

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Try a classic mistake:
Explore a correct sentence:

I didn't go, or I won't go?

Choose the negative for the situation. A trip that did not happen: 我没去 (wǒ méi qù) — I didn’t go. An invitation you decline: 我不去 (wǒ bú qù) — I’m not going. In that decision context, it can also mean “I won't go.”

没去 (méi qù) says the action did not happen. 不去 (bú qù) says you do not go or decide not to go; 不 also occurs in habits and states. These are two contexts, not a complete past/future rule. Read the source grammar examples.

Transcript
  1. Chinese negation, I didn't go, or I won't go?
  2. Yesterday's trip, it didn't happen, which one?
  3. A, the action did not happen.
  4. 我没去 (wǒ méi qù)
  5. 我没去 (wǒ méi qù)
  6. Tomorrow's invitation, you decide to stay home, which one?
  7. B, a decision not to go.
  8. 我不去 (wǒ bú qù)
  9. 我不去 (wǒ bú qù)
  10. Match the negative to the situation.
  11. Check a sentence, inspect its grammar, then compare its meaning with your situation.
  12. Try the Sentence Checker, free, at The Pure Language dot com.

An action that did not happen uses mei; a decision not to go uses bu.

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Your turn: choose a situation, enter a sentence in the sentence box, and press Check my sentence. Inspect the highlighted grammar and open its lesson. A clear result means no fixed check matched; the checker cannot decide whether your meaning fits your situation.

Which grammar can it identify?

Each lesson below has a fixed pattern, with a limited vocabulary. Open a lesson for its full explanation and practice drill.

Points with no detector (0)

Every current library point has at least one recognised shape. That does not cover every use.

Library examples it cannot label confidently

Computed from the library examples and the current patterns. This includes contrasts without the lesson's named structure and ambiguous forms such as verb-final 了.

What it checks

Each check is one mistake from the Chinese grammar library, the kind English speakers make because English puts things in a different place. Together they catch 42 of the 75 classic mistakes the library's lessons list.

Word order — Subject + Verb + Object
  • Place phrase after the verb
  • 跟 + person after the verb
是 sentences and 很 with adjectives
  • 是 before an adjective
  • 是 + adjective at the end of a sentence
  • 不很 before an adjective
不 vs 没 — the two negations
  • 不有 instead of 没有
  • 没 together with 了
  • 没 with a verb of feeling or knowing
吗 and 呢 questions
  • 吗 after a question word
  • Two question particles
Question words stay in place
  • Question word moved to the front
Where time words go
  • Time word after the verb
  • Date written small-to-big
  • Duration before the verb
二 vs 两 — two ways to say two
  • 二 before a measure word
  • 第两 instead of 第二
Measure words — the top 25
  • Number + noun with no measure word
A-not-A questions
  • 有不有 instead of 有没有
  • 吗 after an A-not-A question
比 comparisons
  • 很 or 非常 in a 比 comparison
一点儿 vs 有点儿
  • 一点儿 before an adjective
  • 有点儿 in a request
Verb reduplication — 看看, 试试
  • Two-syllable verb doubled as AABB
  • Doubled verb after 在
  • A verb of state doubled
快…了 / 要…了 — about to happen
  • 快要 without the closing 了
  • 快要 with a specific time
的 vs 得 vs 地
  • 不 before a 得 complement
  • Object directly before 得
把 sentences
  • 把 sentence ending on a bare verb
  • Negation after 把
被 passive
  • Negation after 被
  • 被 sentence ending on a bare verb
是…的 — emphasising the details
  • 是…了 where 是…的 is needed
  • 不 in a 是…的 sentence without 是

What it deliberately does not check

A checker that tells you a correct sentence is wrong looks exactly like one that has caught a real mistake — and if you are still learning, you cannot tell the two apart. So a mistake is only checked when its wrong shape can be told from a right sentence by shape alone. 他说的很快 is a classic 的/得 slip, but 他说的很对 (“what he said is right”) is perfect Chinese with the same shape, so no pattern can flag one without flagging the other. These 33 from the lessons are left to the lessons:

Every check is run against every example sentence the site publishes — the grammar lessons, the dictionary examples, the graded readers and the travel phrasebook — and the site will not build if one of them is flagged. When a check cannot pass that, it is narrowed or dropped rather than trusted.

Questions people ask

Which grammar is my sentence using?

The Grammar in this sentence panel highlights recognised structures and links each to its lesson. It uses fixed patterns and limited word lists. Ambiguous forms are left unlabelled; the coverage section lists library examples it cannot detect. Exact lesson examples are linked separately when their structure is not detected.

Can this check any Chinese sentence?

No, and it says so. It runs a fixed set of checks, each one a classic word-order or grammar mistake that can be recognised from the shape of the sentence alone. Mistakes that depend on meaning — 能 against 会, 想 against 要, or which measure word sounds natural — are left to the grammar lessons, because a pattern cannot judge them without sometimes calling a correct sentence wrong.

Does it use AI?

No. There is no language model and no translation service behind it. Every check is a fixed pattern written from the site's grammar library, so the same sentence always gets the same answer, and every answer links to the lesson that explains it.

If it finds nothing, is my sentence correct?

Not necessarily. "Nothing found" means none of its checks matched. Word choice, meaning, tones and anything outside those checks are beyond it, so read the result as "no known mistake", not as a grade.

How do you know it will not mark a correct sentence as wrong?

Every check is run against every example sentence the site publishes — the grammar library, the dictionary examples, the graded readers and the travel phrasebook — and the build fails if a single one of them is flagged. A check that cannot pass that is narrowed or removed.

Is my sentence stored?

No. It is checked in memory for this one answer and not saved, logged or shared. There is no account and nothing to sign up for.