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About

Sentence Coach is a free web tool that lets learners of Mandarin check their Chinese sentences for accuracy. It highlights errors and offers detailed corrections in English, complete with pinyin, HSK vocabulary, grammar points, and measure word guidance. The tool is designed to give learners clear, actionable feedback to improve writing skills.

The case

Who it is for

Mandarin learners of any level who want instant feedback on sentence accuracy.

What is broken today

Before Sentence Coach, learners of Mandarin had difficulty getting reliable feedback on their Chinese writing, often lacking clear explanations, pinyin, HSK vocabulary references, and guidance on grammar and measure words.

What it does about it

Sentence Coach analyzes Chinese sentences entered by the user, flags errors, and presents corrections with English explanations, pinyin transcription, HSK vocabulary lists, specific grammar point references, and measure word guidance.

Why not the obvious alternative

Unlike generic grammar checkers, Sentence Coach is tailored for Mandarin learners, offering pinyin, HSK-level vocabulary references, targeted grammar point explanations, and measure word corrections, all in a single tool.

Details

CategoryEducation
PricingFree
LaunchedNov 4, 2026
Built by the makerYes

Questions

Is Sentence Coach free?
Yes, Sentence Coach is a free tool; there are no charges for checking sentences.
What kind of feedback does Sentence Coach provide?
It highlights errors in Chinese sentences and gives corrections with English explanations, pinyin transcription, HSK vocabulary references, grammar point details, and measure word guidance.
Which languages does Sentence Coach support?
Sentence Coach is designed for Mandarin Chinese; it checks Chinese sentences and provides explanations in English.

Discussion

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