繼之前提供了 for 的13個當介系詞的字典定義(在[學英文囉!]的分類),今天則繼續說明 for 當連接詞的進階用法。
雖然 'for' 和 'because' 都可以表示「因為」,但在語法、用法和語氣上有明顯的差異。
Comparison | For | Because |
---|---|---|
語法結構 | 連接詞 (Conjunction),但較正式,常用於書面語。位置通常在句中。 e.g., He stopped running, for he was out of breath. | 連接詞 (Conjunction),較口語化,常用於日常對話。位置靈活,可放句中或句首。 e.g., Because it was raining, we stayed home. / We stayed home because it was raining. |
語氣 | 帶有邏輯性與書面文語感,用來表達原因或進一步說明。 | 直接、清楚表達原因,語氣較自然口語。 |
語序 | 主要子句在前,原因子句在後。 | 可以主句在前、原因子句在後,或相反。 |
使用場合 | 書面語,常見於正式寫作、文學作品中。 | 口語與寫作皆可使用,應用更廣泛。 |
詳解用法與例句
For 用法:
- 功能: 用來補充或解釋前面的句子。
- 語氣: 較書面且有點古典文學的味道。
- 語法規則: 不能單獨出現,for 子句不會置於句首。
例句:
- She smiled, for she knew the answer.
(她微笑了,因為她知道答案。) - He couldn’t attend the party, for he was feeling unwell.
(他無法參加派對,因為他感到不舒服。)
⚠ 注意:
- "for" 句子前面必須有主要子句,不能單獨使用。
❌ For I was tired. → 不正確。
✅ I went to bed early, for I was tired.
Because 用法:
- 功能: 清楚表達原因。
- 語氣: 自然、直接,適合口語或寫作。
- 語法規則: "Because" 子句可放在句首或句尾。
例句:
- I stayed home because I was sick.
(我待在家裡,因為我生病了。) - Because it was late, they decided to leave.
(因為時間很晚,他們決定離開。)
⚠ 注意:
- "Because" 可單獨回答問題,用來表達原因。
例子:- Why are you late?
Because the bus was delayed.
- Why are you late?
比較 'for' 與 'because' 的例句
句子 | 中文翻譯 | 語氣差異 |
---|---|---|
He stayed at home, for he was tired. | 他待在家裡,因為他累了。 | 書面、正式語氣 |
He stayed at home because he was tired. | 他待在家裡,因為他累了。 | 口語化、更直接。 |
學生常見錯誤與正確示範
錯誤:
- For 用於句首:
❌ For I was busy, I didn’t come. - 改正:
✅ I didn’t come, for I was busy.
- For 用於句首:
錯誤:
- 過度依賴 because,不理解 for 的用法:
❌ He didn’t eat because he wasn’t hungry, for he didn’t like the food.- 改正:
重新組織句子,僅選擇一個連接詞。
- 改正:
- 過度依賴 because,不理解 for 的用法:
記憶技巧:
- Because = Cause → 因為原因發生的事情。
- For = Formal → 正式語氣,書面語較常見。
我懂了嗎?
請選擇正確的連接詞 ('for' 或 'because'):
- I brought an umbrella, ________ it was going to rain.
- He left the meeting early, ________ he had another appointment.
- ________ I was tired, I went to bed early.
答案:
- because
- for
- Because
Vocabulary List
English Word | Phonetic Symbols | Part of Speech | Chinese Meaning | Example Sentence |
---|---|---|---|---|
formal | [ˈfɔrməl] | adj. | 正式的 | His speech was very formal and professional.(他的演講非常正式且專業。) |
conjunction | [kənˈdʒʌŋkʃən] | n. | 連接詞 | "Because" is a conjunction that connects clauses.("Because" 是一個連接詞,用來連接子句。) |
directly | [dəˈrɛktli] | adv. | 直接地 | She answered the question directly. (她直接地回答了問題。) |
總結:
記住,'for' 適合書面語且邏輯性強,而 'because' 適合口語與寫作,使用起來更靈活自然。多練習這兩個詞的句型,就能掌握差異並在適當場合正確使用!
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