as

as … as 「跟…一樣…」

[A] + [動詞] + as + [形容詞或副詞原級] + as + [B]
  • You walk as slow as my grandma.你走路跟我的阿嬤一樣慢。
  • Can you get up as early as your mom?
  • She speaks English as fluently as a native speaker.(她說英文跟母語者一樣流利 → fluently 是副詞)
  • He is as tall as his father.(他和他父親一樣高 → tall 是形容詞)
  • She is as pretty as her aunt. 她跟她阿姨一樣漂亮
  • Your phone is as expensive as mine.(你的手機跟我的跟一樣貴。)
  • This box is as heavy as a rock.(這個箱子跟石頭一樣重。)
  • Can you get up as early as your mom?

not as … as 「沒有跟…一樣…」

  • I am not as tall as you.(我沒有跟你一樣高 → 我比你矮)
  • He doesn’t run as fast as me.(他跑得沒有我快)

AS 當…的時候

as 表達兩個動作同時發生時,「背景音樂」般的同時發生,「一邊…一邊…」或「正當…時」

  • 規則 A:過去式配過去式(最常見的說故事時態)
  • 當你在講過去發生的故事時,主句和 as 子句通常都用過去式。
  • Example: As I walked down the street, I saw an old friend. (當我走在街上時,我看到了一位老朋友。)
  • The phone rang as I was leaving the house. (當我正要出門時,電話響了。)

  • 規則 B:過去進行式搭配過去簡單式(強調動態與打斷/同時)
  • 這也是超級經典的組合!用進行式(was/were V-ing)來營造「背景正在進行的動作」,用簡單式來表示「同時發生的另一個動作」。
  • As Bea was eating the pasta, she looked around the restaurant. (當 Bea 正在吃義大利麵時,她環顧了餐廳四周。)

  • 規則 C:現在式配現在式(描述日常習慣或真理)
  • 如果在講平常經常發生的事,兩邊都用現在式。
  • As the sun sets, the temperature drops. (當太陽落下時,溫度就會下降。)

As 同時進行

  • as 強調「兩個動作同時進行」(就像背景正發生著 A 事件,同時 B 事件發生了)。
  • He sang as he walked down the street.(他邊走邊唱)
    • 兩個動作的「時間長度」差不多,不需要特別強調哪個動作「正在進行中」,直接用簡單式敘述這個事實就可以了。
  • As I walked home, it started to rain.

as 大比較

以下都是一樣的意思,一邊走一邊唱。進行式代表持續進行中。

  • 二邊過去式: He sang as he walked down the street.
  • 一邊過去進行式: He was singing as he walked down the street.
  • 一邊過去進行式: He sang as he was walking down the street.
  • 二邊過去進行式: He was singing as he was walking down the street.

💡 總結

  • 不用進行式:完全正確!用簡單式來描述「同時發生的平行動作」非常常見,語氣簡潔自然。
  • 用進行式:也可以!如果你想特別強調「當下正在進行的狀態」就能派上用場。

「時態要一致或邏輯合理」。

  • 講過去的故事 ➔ 兩邊都用過去式(或一邊進行式、一邊簡單式)。
  • 講現在的狀況 ➔ 兩邊都用現在式。

as vs while vs when

連接詞 核心語感 最常搭配的時態 想像的畫面
As 兩個動作同時發生(同步進行) 常接進行式(was doing) 一邊…一邊…(動態進行中)
While 強調一段「持續的時間」 接進行式(was doing) 在…期間(時間較長)
When 一個點、一個狀況發生時 簡單式居多(did / does) 當(那個時間點)一到(點狀發生)
  • 簡單對比感受一下:
  • I saw him when I arrived.(我抵達的那一刻看到了他 ➔ 點的時間點)

as 因為

表達原因時,時態通常取決於「這個原因跟結果發生在什麼時間點」,前後可以一致,也可以彈性搭配

  • 過去式的因果關係:
  • Example: As it was raining heavily, we canceled the trip. (因為當時雨下得很大,我們取消了旅行。) (說明:過去的狀態 *was 導致過去的動作 canceled)*

  • 現在式的因果關係:
  • Example: As you are busy, I will leave you alone. (既然你現在很忙,我就不打擾你了。) (說明:現在的狀態 *are 對應現在/未來的決定 will leave)*

  • As it was raining heavily, we decided to stay home. (因為雨下得很大,我們決定待在家裡。)
  • As you are busy, I won’t bother you anymore. (既然/因為你很忙,我就不打擾你了。)
  • As I was tired, I went to bed early.

as 做…一樣

  • Do as I say. (照著我說的做。)

as 像… 一樣,如同,正如

  • As you know, English is important. (正如你所知,英文很重要。)

as + 名詞 (身份)

as 通常放在動詞後面

  • He works as a waiter. (他以…的身分工作 ➔ 他是一名服務生。)

名詞A as 名詞B (把 A 當作 B)

  • He uses his phone as a camera.(他把手機當作相機使用。)

名詞A as 形容詞B (把A當作B)

  • Treat this information as confidential. (把這個資訊視為機密)
    • Treat(動詞:對待)
  • Treat this as a secret.(把這個當作秘密)

regard/see/think A as B (把A當作B)

  1. Regard A as B(把 A 視為 B)
    • I regard him as a close friend.(我把他視為摯友。)
  2. See A as B(把 A 看作 B)
    • We see this challenge as an opportunity.(我們把這個挑戰看作是一個機會。)
  3. Think of A as B(把 A 想作 / 看作 B)
    • Don’t think of it as a failure; think of it as a lesson.(不要把它看作是失敗,把它當成一堂課。)

As someone who + 形容詞子句 (作為一個…的人)

  • As someone who loves things to be fast and smooth, I think your fashion show idea sounds perfect.身為一個喜歡一切快速又順暢的人,我覺得你的時裝秀點子聽起來完美極了。

  • As someone who loves animals, I always want to adopt stray cats and dogs.(身為一個愛動物的人,我總是想認養流浪貓狗。)

  • As someone who works in tech, I find this new software very useful.(身為一個在科技業工作的人,我覺得這款新軟體非常有用。)


as always 一如往常地

當作「副詞片語」(放在句尾或句首)

  • As usual, Lisa was late.像平时一样,丽莎迟到了。
  • As usual there was too much traffic this morning.像平时一样,今天 早上交通非常繁忙。
    • traffic 不可數名詞,不能加a,也不能加S,不可數名詞要用much.
    • traffic 不可數名詞,單數,用there was
  • Thank you as always.(謝謝你,一如既往地。)
    • always:總是、一直。
    • as「正如一直以來那樣」➔ 也就是「跟平常一樣、一如往常」。
  • He is working hard, as always.(他一如往常地很努力工作。)
  • It’s good as always.
  • As always.(老樣子 / 一如往常。)
  • He arrived on time, as always. (他一如往常地準時抵達。)

  • A: You’re late again.(你又遲到了。)
  • B: As always.(老樣子(我就是這樣)。)

第一類:表示「時間」(當…時候)

這類用來表達兩個動作同時發生,常常會搭配進行式來增加畫面感。

  1. As I was walking home, it started to rain. (當我正走在回家的路上時,開始下雨了。)
  2. As she opened the door, a cat ran out. (當她打開門時,一隻貓跑了出去。)
  3. The phone rang as I was cooking dinner. (當我正在煮晚餐時,電話響了。)
  4. As the sun was setting, we took a lot of photos. (當太陽正在下山時,我們拍了許多照片。)
  5. He smiled as he read the letter. (當他讀著信時,他笑了笑。)

第二類:表示「原因」(因為 / 既然)

用來解釋某件事發生的理由,語氣自然且雙方都心知肚明。

  1. As it was raining heavily, we stayed indoors. (因為雨下得很大,我們待在室內。)
  2. As you are new here, let me show you around. (既然你是新來的,讓我帶你參觀一下吧。)
  3. As she felt tired, she went to bed early. (因為她覺得累了,所以很早就去睡覺了。)
  4. As I didn’t have cash, I paid with my credit card. (因為我沒有現金,所以我用信用卡付錢。)
  5. As the restaurant was full, we went somewhere else. (因為那家餐廳客滿了,我們就去了別的地方。)

第三類:表示「如同、正如」(方式 / 比較)

用來表達「照著…做」或「就像…一樣」。

  1. Do as I say, not as I do. (照著我說的做,不要照著我做。)
  2. As you know, English is important for our jobs. (正如你所知,英文對我們的職涯很重要。)
  3. Things didn’t go as we planned. (事情不如我們計畫的那樣進行。)
  4. Please leave the room as you found it. (請把房間保持在你發現它時的樣子 / 原封不動。)
  5. As always, he arrived late. (他一如往常地遲到了。)

第四類:表示「身分、作為」(介系詞用法,後面接名詞)

用來指稱某人的職位、身分或物品的用途。

  1. She works as a teacher in Taipei. (她在台北擔任老師。)
  2. You can use this glass as a vase. (你可以把這個杯子當作花瓶使用。)
  3. He started his career as an engineer. (他以工程師的身分開始了他的職涯。)
  4. Treat this information as confidential. (請將這項資訊視為機密。)
  5. Thank you as a friend. (以朋友的身分謝謝你。)

把A當作B

elected 沒有as

They elected him president.(他們選他當總統。)

1. Choose / Select(選擇…擔任…)

  • 例句:They chose him as their leader.
  • 中文:他們選擇他擔任他們的領導者。

2. Appoint / Name(任命 / 命名…為…)

  • 例句:The company appointed her as the new manager.
  • 中文:公司任命她為新經理。

3. Regard(將…視為…)

  • 例句:I regard him as a true friend.
  • 中文:我把他視為真正的朋友。

4. Use(把…當作…使用)

  • 例句:She used the old box as a desk organizer.
  • 中文:她把那個舊盒子當作桌面收納盒使用。

二、 必須注意的文法雷區與注意事項(超重要!)

在使用這類句型時,有三個常考、也容易犯錯的細節一定要記住:

⚠️ 注意事項 1:千萬不要自作聰明加 to be

中文在翻譯時,常習慣說「任命她為(to be)經理」或「視他為(to be)朋友」,所以在寫英文時,很多人會不小心多寫一個 to be。

  • ❌ He regards me as to be a friend. (錯誤!聽起來很不自然)
  • ⭕ He regards me as a friend. (正確!as 後面直接接名詞或形容詞即可) (小例外:有些動詞如 consider 雖然也可以接名詞,但它更常直接接形容詞,或用 consider A to be B。不過以 as 來說,上述那四個動詞直接加 as + 名詞最安全!)

⚠️ 注意事項 2:as 後面的名詞要不要加冠詞(a / an)?

當 as 後面接的是「職業、身分、可數單數名詞」時,一定要加上適當的冠詞(a 或 an),除非它是複數或抽象不可數名詞。

  • ⭕ They elected him as president. (像總統、經理這種獨一無二的職稱,有時候可以省略冠詞直接當作專屬頭銜)
  • ⭕ She works as a teacher. (一般職業前面一定要加 a)

⚠️ 注意事項 3:被動語態大變身(考試超愛考!)

當這個句型改成「被動語態」時,原本的受詞會跑到句首變成主詞,而 as + 名詞 會乖乖留在動詞後面:

  • 主動:The committee chose him as chairman.(委員會選他當主席。)
  • 被動:He was chosen as chairman by the committee.(他被選為主席。) (注意看:as chairman 依然緊緊黏在動詞後面,沒有不見!)

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