High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
作为存在意义上的“be”的虚主语,实际主语通常不定且后置或隐含。
先理解核心含义，再看它在真实句子里的用法。
作为存在意义上的“be”的虚主语,实际主语通常不定且后置或隐含。；与其他表示存在的不及物动词连用,或添加存在意味。；用于其他动词,作提升主语。
Used as an expletive subject of be in its sense of “exist”, with the semantic, usually indefinite subject being postponed or (occasionally) implied.
Prepare the learner guide for this word
可生成：语法 Grammar、学习解释 Learner guide、例句 Examples。只有点击后才会开始生成。
作为存在意义上的“be”的虚主语,实际主语通常不定且后置或隐含。
Used as an expletive subject of be in its sense of “exist”, with the semantic, usually indefinite subject being postponed or (occasionally) implied.
与其他表示存在的不及物动词连用,或添加存在意味。
Used with other intransitive verbs of existence, in the same sense, or with other intransitive verbs, adding a sense of existence.
用于其他动词,作提升主语。
Used with other verbs, when raised.
Choose the next layer that will help you use there with more confidence.
Recommended next
Includes Usage patterns & Collocations
Learn how to use this word with grammar patterns and natural collocations.
Includes Common mistakes & Confusing words
See typical errors learners make and confusing words to avoid.
More ways to explore
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Includes Spelling & sound
Explore words with similar spelling endings or sounds.
Includes Word components & Thematic vocabulary
Learn how to build related words using roots, prefixes, and thematic clusters.
Includes Idioms & Cultural references
Discover idioms, slang, and famous pop culture quotes.
Includes Context & register & Memory tip
Analyze the context and learn memory tricks to remember it.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
Use there naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.