
美:/'wɪtʃ ɪz/
哪個是;從句的表達形式之一
Which is the best route to take?
哪一條是最佳路線?
Which is their house?
哪座房子是他們的?
Which is the largest city in the world ?
世界上最大的城市是哪個?
They all look so alike to me that I'm never sure which is which.
它們在我看來簡直一模一樣,我永遠分不清哪個是哪個。
Which is the most useful invention?
哪一個是最有用的發明?
"which is"是英語中常見的關系代詞結構,由關系代詞"which"和系動詞"is"構成,主要用于引導非限制性定語從句。該結構在句子中承擔以下核心功能:
補充說明功能 作為非限制性定語從句的标志,"which is"用于對主句中的名詞或整個主句進行附加說明。例如:"The Eiffel Tower, which is located in Paris, attracts millions of visitors annually."(來源:劍橋詞典英語語法指南)
**語法結構特性
與"that is"的區分 在限制性定語從句中,"that is"用于限定先行詞範圍(如:"The book that is on the desk is mine"),而"which is"多用于補充非必要信息。牛津英語語法手冊指出,現代英語中非正式語境下這種區分已逐漸淡化。
特殊用法場景
常見錯誤警示
該結構的正确使用能有效提升書面表達的準确性和嚴謹性,美國現代語言協會(MLA)在最新寫作指南中特别強調其學術規範價值。
"which is" 是英語中常見的定語從句引導結構,由關系代詞which 和系動詞is 組成,主要用于對前文提到的名詞或句子進行補充說明。以下是詳細解析:
關系代詞作用:
"which" 作為關系代詞,指代前文中的事物、動物或整個句子,不可用于指代人(指人需用 "who")。
"is" 是系動詞,表示狀态或屬性,需與主語保持單複數一緻(若主語為複數則用 "which are")。
連接作用:
通過 "which is" 将主句和從句連接,從句内容對主句中的名詞或整個主句進行解釋或限定。
用于補充非必要信息,前後需加逗號,此時從句可省略而不影響主句核心含義。
例句:
The novel, which is a bestseller, explores human nature.
(這本小說是暢銷書,探讨了人性。)
限定主句名詞的範圍,無逗號分隔,若省略從句會影響句意。
例句:
Choose a color which is suitable for the theme.
(選一種符合主題的顔色。)
"which" 可指代前面整個句子的内容,此時從句需用逗號隔開。
例句:
She won the competition, which is surprising.
(她赢了比賽,這很令人驚訝。)
The car that is parked outside is mine. ✅(限定性)
The car, which is red, is mine. ✅(非限定性)
The car, that is red, is mine. ❌(錯誤用法)
The trees, which are decades old, were cut down.
The girl which is singing → 應改為 who is singing.
My laptop which is broken needs repair. → 需加逗號:My laptop, which is broken, needs repair.
通過以上分析,可以更準确地理解 "which is" 在句子中的語法功能及使用場景。實際應用中需結合語境判斷是否需要限定或補充信息,并注意主謂一緻與标點符號的使用。
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