-s
suf. 附在规则名词之后构成复数; 附在某些无单数形式名词之后构成复数glasses, socks, trousers; 附在某些名词之后构成单数billiards, checkers, works; 用以构成表示反复或一贯之动作或状态的副词always, Sundays; 附在原形动词之后, 构成第三人称单数一般现在时态的陈述语气
🗣️ 情景例句
She feels bad, too, Grandpa.
她也很沮丧， 爷爷。
I know the boy whose father is an architect.
我知道那个男孩的父亲是建筑师。
Who but Jack would do such a thing?
除了杰克谁会做这种事呢？