Subject + 大多 + Verb/Adjective
大多 means "mostly," "for the most part," or "the majority" and is used to indicate that something applies to most cases or members of a group. It typically appears before a verb or adjective as an adverb. For example, 这些方法大多失败了 means "most of these methods failed."
参加聚会的人大多是他的老同学。
Cānjiā jùhuì de rén dàduō shì tā de lǎo tóngxué.
Most of the people at the gathering were his old classmates.
这些二手书大多还很新,值得买。
Zhèxiē èrshǒu shū dàduō hái hěn xīn, zhíde mǎi.
Most of these secondhand books are still quite new and worth buying.
周末他大多待在家里看书。
Zhōumò tā dàduō dāi zài jiālǐ kàn shū.
On weekends, he mostly stays home and reads.