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
He's something!
他真了不起！
Draw not your bow till your arrow is fixed.
事未齐备，切莫妄动。
'How did your clothes get into such a mess?'
“你的衣服怎么搞得一塌糊涂？”