Copulas
n. 系动词（如be,seem,appear等）, （命题主词与谓词间的）连系( copula的复数形式 )
🗣️ 情景例句
It contains basically all we have agreed upon during our negotiation.
这基本上包括了我们谈判中取得一致的条款。
How's your brother?
你的兄弟好吗？
After being absent from the Gables for a week,
一次，姑妈有一个星期没在“山墙庄园”住。