Not only Mr Lin but also his son joined the Party two years ago. （連接兩個主語）
I not only play tennis but also practise shooting. （連接兩個謂語動詞）
He plays not only the piano but also the violin. （連接兩個賓語）
They speak English not only in class but also in the dormitory. （連接兩個地點狀語）
註 1 ： She not only sings well but also dances beautifully. = She doesn't only sing well but also dances beautifully.
註 2 ：句子 He not only plays the piano but also the violin 不是好的文體，因為 but also 之後的成分與 not only 之後的成分不對稱。