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（以下為詳細用法）
“not only … but also …”是壹個並列連詞詞組,其意思基本等於“both … and …”,但側重點放在“but also”上,另外該詞組使用時須遵守壹定的規則,如要求對稱,倒裝及主謂壹致等.以下兩個句子往往被看作是欠妥或錯誤的：
1. *Sitting up late last night,Tom not only read the assignment but also many poems by his favourite poet.
2. *Not only the students but also the teacher were invited.
上述兩句第壹句欠妥,第二句是錯誤的,應分別改為：1. Sitting up late last night,Tom read not only the assignment but also many poems by his favourite poet. 昨晚湯姆熬至深夜,不僅看了課外作業,而且讀了他最喜歡的壹位詩人的許多詩歌. 2. Not only the students but also the teacher was invited. 不僅學生們被邀請,而且那位教師也被邀請了. 下面就來談談正確使用該詞組時須註意的幾點事項及其常見的幾種變體形式.
壹、使用not only … but also … 時須註意的幾點：
1. not only與but also後面所連接的詞的詞性必須對等：
(1) Frankin was considered not only an inventor,but also a statesman. 富蘭克林不僅被看作發明家,而且被看作政治家.
(2) The nurse was not only competent but also kind. 這位護士不僅能幹而且親切和藹. (3) They not only broke into his office and stole his books,but also tore up his manuscripts. 他們不僅闖進他的辦公室,偷走了他的書,而且還撕掉了他的手稿.
(4) Not only you but also she has to attend the ceremony. 不令妳而且她也得參加典禮.
(5) In production,we should always keep an eye not only on quantity but also on quality. 在生產中,我們不僅要關註數量,而且要關註質量.
(6) They completed the project not only punctually but also perfectly. 他們不僅準時完成工程,而且完成得很出色. 2. not only只能連用,而but also既可連用,也可分開用： a. He speaks not only English,but also French. 他不僅說英語,還說法語. b. Television is not only boring,but it also wastes a lot of time. 電視不僅乏味,而且還浪費許多時間. c. She was not only compelled to stay at home,but she was also forbidden to see her friends. 她不僅被強迫蹲在家中,而且被禁止去看朋友. 3.謂語動詞的數應與but also後主語的數保持壹致： Not only you but also Mr Zhang teaches in this college. 不僅妳,張老師也在此學院教書.
4. not only放在句首,後接句子時要用倒裝結構：
(1) Not only should proletarians emancipate themselves but also the whole mankind. 無產者不僅要解放他們自己,而且要解放全人類.
(2) Not only does television appeal to those who can read but to those who can't. 電視不僅吸引閱讀的人,而且也吸引了不會閱讀的人.
(3) Not only was everything Albert Einstain had taken away but also his citizenship was deprived of. 愛因斯坦的財產不僅被擄掠壹空,而且他的德國國籍也被剝奪了.
(4) Not only had the poor man been fined,but also he had been sent to prison. 這個可憐的人不僅被罰款,而且還被送進了監獄. 二、not only,but also的幾種常見的變體形式：
1.not only的變體形式： 常見的變體有not just,not merely,not simply,not solely等.
(1) Such work is not just devalued in that country,its nature is widely misunderstood. 這種工作在那個國家不但被貶低,而且工作的性質也被許多人誤解.
(2) There is not merely concision in these lines but also elegance. 這些臺詞寫得不僅乘法,而且優雅.
(3) Not simply did he teach school,but he wrote novels. 他不僅教書,也寫小說.
(4) This novel is not solely suitable for us in studying modern fiction but can also be used in the teaching. 這本小說不但適合我們研究現代小說,而且能用於教學.
2. but also的變體形式： a: 省去also,只留but；b: 省去but,只留also；c: but…as well；d: but also全部省略.
(1) Scarlett quaked lest she and Frank lose not only their freedom but the house,the store and mill. 斯佳麗害怕得發抖,惟恐她與弗蘭克不僅會失去自由,而且還會失去房屋、商店及鋸木廠.
(2) She's not only an excellent housewife also a first class mathematician. 她不僅是壹個出色的家庭主婦,而且是壹位壹流的數學家.
(3) Not only does he write the words to the songs,but he composes the music as well. 他不僅給歌曲寫詞,也譜曲.
(4) Such a change would improve not only his social image but his health as well. 這樣的變化不僅會提高他的社會形象,而且會改善他的健康.
(5) Not only did I hear the car,I actually saw it crash. 我不僅聽見了車的聲音,而且還親眼看見了那輛車撞壞了.