不但 …，甚至连 … 也 … (not only …, even …)

"Not only…, (he) even…"

• not only (... but also ...)不但bù dàn … ，even甚至shèn zhìto link连lián … also也yě … = "not only …, (he) even …".
• he / him他tānot only (... but also ...)不但bù dàncan / will会huìChinese language中文zhōng wén，even甚至shèn zhìto link连liántopolect方言fāng yánalso也yěcan / will会huì = "not only does he know Chinese, he even knows dialects."
• It stacks not only (... but also ...)不但bù dàn with an extreme even甚至shèn zhìto link连lián…also也yě.

not only (... but also ...)不但bù dàn …，even甚至shèn zhìto link连lián + New + also也yě …

• even甚至shèn zhìto link连lián…also也yě caps the build-up with a striking extra.

he他tānot only不但bú dàncan会huìChinese中文Zhōng wén，even甚至shèn zhìeven连liándialects方言fāng yánalso也yěcan会huì。

• even甚至shèn zhìto link连liántopolect方言fāng yánalso也yěcan / will会huì = "he can even speak dialects."

Recap

Read the full reference: HSK 5 grammar — Sentence patterns.