代名詞：哪一個、哪一些
常見搭配詞：
- Which is…?
哪一個是…？
例句：Which is yours?
哪一個是你的？ - Which + 名詞….，A or B ?
哪一個…，A或B？
例句：Which movie do you like, this one or the other one?
你喜歡哪部電影，這部電影還是另一部電影？ - 名詞 which +子句
形容詞子句限定用法
例句：Find a solution which can resolve the problem effectively.
找到一個能夠有效解決問題的方案。 - 名詞，which +子句
形容詞子句補述用法，which指代前面的名詞
例句：I like - SV.., which + 子句
形容詞子句補述用法，which指代前面整個句子
例句：He talks loudly, which makes me feel uncomfortable.
他說話聲音很大，使我感到不舒服。 - SV…at / on / for / by…which SV
介系詞+which = where / when / how / why
例句：The station at which you should get off is next.
你應該下車的站就是下一站。
例句：
- This is the book which I borrowed from the library.
這就是我從圖書館借來的那本書。 - She has a lot of ideas, which are quite innovative.
她有很多想法，都相當創新。( 補述用法作為插入語) - The car which he drives is very expensive.
他開的那輛車非常昂貴。 - Which apple do you like, the big one or the small one?
你喜歡哪一個蘋果，大的還是小的？ - The movie, which was released last year, received many awards.
這部去年上映的電影獲得了許多獎項。( 補述用法作為插入語) - There were many people at the party, which made it hard to find her.
派對上有很多人，這讓找到她變得困難。(which等於前面整個句子) - The phone, which I bought last month, has already broken down.
我上個月買的手機已經壞了。(which用補述用法，視語境，可以表示聽眾知道說話者話中的手機是哪一隻，或是說話者用作插入語，補充說明手機的相關資訊) - He asked me a question which I couldn’t answer.
他問了我一個我回答不了的問題。 - This is the reason which he gave me for being late.
這就是他給我遲到的理由。 - She wore a dress, which attracted a lot of attention.
她穿著一件連身裙，引起了很多人的注意。(which等於前面整個句子) - The temperature at which water freezes is 0 degrees Celsius.
水凝固的溫度是0度攝氏。 - The movie, in which he played the lead role, was a blockbuster.
他主演的那部電影，取得了巨大成功。 - The grant, for which I applied, will fund my research project.
我申請的那筆資助，將會資助我的研究計畫。 - I lost the box in which I keep my jewelry.
我丟了我存放珠寶的盒子。 - The platform on which we stand is unstable.
我們站立的這個平台不穩定。 - There are some conditions for which there are no known cures.
有一些病症是目前尚無治療方法的。 - The date on which the meeting is scheduled is inconvenient for me.
會議安排的日期對我來說不方便。 - The method by which the results are obtained is flawed.
獲得結果的方法是有缺陷的。 - The standard by which we measure success may vary.
我們衡量成功的標準可能會有所不同。
衍生字：
whichever (有限數目中的)任何一個、無論哪個、無論哪些 pron. 限定詞