一次搞定國中英文文法：not only… but also這個必考用法

英文學到了國三，遇到not only… but also這個用法，不但各種時態都來，而且還倒裝，你頭暈了嗎？現在就來一次搞定它！

not only A but also B的含意：「不只A而且還B」。

這個用法在涵義上，較強調B。例如：

Jessie is not only in the cheerleading team, but also the leader.
潔西不只在啦啦隊上，而且她還是隊長。→強調的是「她是隊長」

最大原則：not only A but also B 前後結構要對等

因為not only A but also B是對等連接詞，所以A和B必須結構相同。例如：

Linda is not only smart but also kind.
琳達不只聰明，而且仁慈。 (形容詞)

David not only did the laundry but also went food shopping.
大衛不但洗了衣服，還去買了菜。(過去式)

The police found out not only how the man ran away but also where he kept the boy.
警察不僅知道了那男人如何逃脫，而且還知道了他把男孩藏在哪。(名詞子句)

次要原則：not only A but also B 連接兩個主詞時，後面的動詞只配合第二個名詞

當not only A but also B 的位置在主詞時，後面的動詞要依據主詞B來做變化(不管主詞A)。例如：

Not only I but also my sister goes rock climbing often.
不只是我，我妹妹也經常去攀岩。(動詞goes字尾有-es，是搭配第三人稱單數主詞my sister)

進階用法：倒裝句

將not only放句首，可以變成倒裝句。倒裝句的原則是主詞與動詞交換位置。but之後的部分則不須倒裝，且also是可以省略的。有兩種用法：

(1)含有一般動詞的倒裝
Not only + 助動詞(do/does/did/will/ would/ should/ can/could) + 主詞 + 原形動詞, but + 主詞 + (also) + 動詞

Not only did I arrive her weeding late, but I (also) forgot to bring her wedding present. (倒裝)
= I not only arrived her wedding late, but (also) forgot to bring her wedding present.(非倒裝)
我不僅去她的婚禮遲到，還忘記帶她的結婚禮物。

(2)含有be動詞的倒裝

Not only is he a good father, but he is (also) an important person of this town. (倒裝)
= He is not only a good father, but (also) an important person of this town. (非倒裝)
他不僅是位好父親，也是鎮上一名重要的人物。

When I was little, not only  _________  good at dancing, but  _________  glad to attend competitions.
(當我小的時候，我不但擅長跳舞，而且總是樂於參加比賽。)

這句的主要子句從逗號之後的not only開始，因此它是一個倒裝句。倒裝句是動詞在後主詞在前(was I)。至於but後面這句，則不需倒裝(I was also)。

正確答案：When I was little, not only   was I  good at dancing, but   I was (also)  glad to attend competitions.

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