Choose a grammar world / 选择语法世界
Short, visual lessons that make grammar stick. / 简短、直观,让语法真正留下来。

🔗 Relative Clauses
定语从句Describe people, things, places, times, and reasons with precise connected sentences.
用精确的连缀句描述人、事物、地点、时间与原因。

📍 Prepositions
介词Build reliable intuition for place, time, movement, and common preposition patterns.
建立地点、时间、运动方向与常用搭配的可靠直觉。

⏱️ Verb Tenses
动词时态Choose verb forms by timeline, duration, completion, and present relevance.
根据时间线、持续、完成与当下的关联选择动词形式。

🔀 Conditionals
条件句Express facts, possibilities, imagined situations, regrets, and conditions.
表达事实、可能性、想象情境、遗憾与条件。

🔄 Passive Voice
被动语态Shift focus between the doer, the action, and the result across timelines.
在施动者、动作与结果之间转换焦点。

🗣️ Reported Speech
间接引语Retell statements, questions, requests, and ideas accurately and naturally.
准确自然地转述陈述、疑问、请求与想法。

🎯 Modals
情态动词Express ability, permission, advice, obligation, probability, and deduction.
表达能力、许可、建议、义务、可能性与推断。

🏷️ Articles & Determiners
冠词与限定词Signal whether nouns are known, specific, general, countable, or quantified.
标示名词是已知、特指、泛指、可数还是量化。

🔌 Conjunctions
连词Connect ideas by addition, contrast, cause, result, condition, and concession.
用并列、对比、因果、结果、条件与让步的方式连接观点。

🧩 Verb Patterns
动词搭配Control gerunds, infinitives, causatives, and meaning-changing verb patterns.
掌握动名词、不定式、使役结构和会改变含义的动词搭配。

🏗️ Sentence Structure
句子结构Build, question, negate, combine, and repair complete English sentences.
构建、提问、否定、合并并修复完整的英语句子。

🚀 Advanced Expressions
高级表达Use emphasis, inversion, register, compression, and idiomatic grammar in context.
在语境中运用强调、倒装、语域、省略与地道语法。