【文法分辨】what和which的差別｜複合關代與關代怎麼分？
what和which常一起出現在克漏字的題目裡，可見學會分辨它們非常重要。
注意，what等於the things which，所以和which不可同時使用，功能會重複喔！
what和which的差別
| which | 1. 是關代 | 2. 引導形容詞，功能是修飾先行詞 | 3. 在形容詞子句中當主詞或受詞 | 4. which後接不完整的子句 (缺主詞或受詞的結構) |
| what | 1. 是先行詞+關代 | 2. 引導名詞子句 | 3. 在名詞子句中當主詞或受詞 | 4. what後接不完整的子句 (缺主詞或受詞的結構) |
Have you watched the video which has gone viral recently?
(你看過最近很紅的那部影片嗎？)
💡 which引導形容詞子句修飾先行詞video，which在子句中當主詞
Have you watched what has gone viral recently?
(你看過最近很紅的影片/節目嗎？)
💡 what引導名詞子句當watch的受詞，what在子句中當主詞
The toy which Ted keeps in the box is his birthday gift.
(Ted保存在箱子裡的玩具是他的生日禮物。)
💡 which引導形容詞子句修飾先行詞toys，which在子句中當keeps的受詞
What Ted keeps in the box is his birthday gift.
(Ted保存在箱子裡的東西是他的生日禮物。)
💡 what引導名詞子句當整句的主詞，what在子句中當keeps的受詞
除了複合關係代名詞what、關代which的用法，建議也可以複習關係副詞、關係形容詞的用法喔！
✏️牛刀小試 [正解在最後]
- Fortunately, my manager praises _________ I have proposed!
(A) them
(B) that
(C) which
(D) what - Relax! I am sure _________ troubles you will be solved.
(A) that
(B) what
(C) which
(D) whose - Greg is an optimist. He believes _______ will be will be.
(A) what
(B) that
(C) which
(D) they
📜 關係詞的用法連結：
正解：
1. D
2. C
3. A