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
And give her a teaspoon of the medicine after every meal.
每餐之后给她吃一茶匙的药。
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
Letter
3第三封信