一、not only ... but also 是并列连词，用来连接和强调两个同等的成分，用来表示令人惊讶或是意料之外的事，而且后者的更为令人惊讶，它可以用来列出形容词的性质、名词或动词，以显示互补的性质、数量或动作、事件和状态。，意为“不但...，而且...”，例如：
1、主语 + 动词 + not only + 形容词 + but also + 形容词，例如：
He is not only arrogant but also selfish.
Tom is not only rich but also famous.
She was not only extremely intelligent but also very practical.
2、主语 + 动词 + not only + 副词 + but also + 副词，例如：
John works not only quickly but also efficiently.
Thomas writes not only correctly but also neatly.
He worked not only hard but also carefully.
3、主语 + 动词 + not only + 名词 + but also + 名词，例如：
She is not only a novelist but also a poet.
He is not only a statesman but also a man of the people.
Shakespeare was not only a writer but also an actor.
4、主语 + not only + 动词 + but also + 动词，例如：
He not only studies hard but also works well.
She not only plays well but also writes music.
He not only speaks English but also French.
The robbers not only took his money but also laid into him.
二、为了强调，可将 not only 置于句首，此时其后的句子通常要用部分倒装的形式，但是 but also 后面的句子不用倒装，例如：
1、当句中有情态动词或是 be 动词时，把情态动词或 be 动词提到 not only 后面，例如：
Not only is he handsome but also intelligent.
Not only is he a teacher, but also he is also a poet.
Not only was it raining all day at the wedding but also the band was late.
Not only are mothers not paid but also most of their boring or difficult work is unnoticed.
Not only should you be able to speak, but also should you be able to write.
Not only will that skill help your resume but also will make you familiar with on-line job recruiting.
Not only will they paint the outside of the house but also the inside.
2、当句中没有情态动词或是 be 动词时，用 do, does 和 did，例如：
Not only did she forget my birthday, but she also didn’t even apologize for forgetting it.
Not only did he come, but he saw her.
Not only does she speak Spanish, but also she knows how to type.
三、not only … but also … 中一般可以省略 also ，如：
Not only is the position of the earth changing but (also) the earth itself is undergoing change.
He is famous not only in China but (also) in the whole world.
The moves in chess are not only manifold, but (also) involute.
但在连接句子时，有时可见到省略 but 或是 but also 的情形，如：
Not only was I tired, I was also cold.
George not only made an important friend, he also learned about the frontier.
省略 but also，句子之间常用分号隔开，例如：
Justice must not only be done; it must be seen to be done.
When it comes to pop music we not only lead Europe, we lead the world.
These movies were not only making money; they were also perceived to be original.
四、not only ... but also ... 中 but 与 also 分离的现象，例如：
Air not only occupies space but it also has weight.
The poverty of 10 million citizens not only demeans our society but its cost also hobbles our economy.
五、not only ... but also .... 的替代式常见的还有 not only ... but ... too/as well, not merely ... but also ..., not just ... but also ..., not … alone … but 等。
not only ... but ... too/as well :
He not only washed the car, but polished it too/as well.
not merely ... but (also) ... :
We are experiencing not merely another turn of the business cycle, but a restructuring of the economic order.
not just ... but (also) ... :
Victims want to see justice done not just for themselves, but for the greater good of society.
not … alone … but (also) ... :
The enemy in this war is not imperialism alone but also the alliance of the big bourgeoisie and the big landlords.