★ 名词复数的加法:1. 直接加 s 如:balls boys birds students teachers officers drivers 2. 词尾辅音字母加 y →iesstory→ stories baby – babies factory→factories secretary→ secretaries3. 词尾为 s ,x ,ch ,sh 后 + es 如:glasses boxes watches dishes brushes4. Nigroes , heroes ,potatoes , tomatoes 其余的 o 结尾+ s 5. 词 尾 为 – f → ves 如 : shelf →shelves leaf →leaves handkerchief →handkerchiefs/ves 词尾为-fe→ves 如: knife→knives life→lives wife→wives 但:roofs 屋顶 chiefs 首领 proofs 证据 serfs 农奴 gulfs 海湾特别: foot tooth bison sheep deer Chinese man woman (German) child mouse oxfeet teeth bison sheep deer Chinese men women ( Germans) children mice oxen脚 牙齿 野牛 绵羊 鹿 中国人 男人 女人 德国人 孩子 老鼠 公牛★ 名词所有格有生命的所有格构成:名's 或 名-s'girl's children's man's boss' the smiths'无生命物体名词所有格:of + 名词a leg of the chair ,the gate of our school特别:the key to the door用法: 1. 可带名词。China's population ; This is Lucy's cat. 2. 也可不带名词 。 This cat is Lucy's. 3. 表示节日: Children's Day Women's Day Teachers' Day April Fools’ Day 4. twenty minutes' walk → a twenty-minute walk two months' holiday → a two-month holiday 5. 表示共同拥有: Lucy and Lily 's father 表示各自拥有: Lucy 's and Lily 's hands 6. 表示地点: at the doctor's ,在诊所 go to the barber's 去理发店 注意:1、the + 姓的复数表示一家人: the Reads , the Smiths 作主语时谓语用复数 2、 带有连接符号的作定语的名词不能加 s 或 es: some 16-year-old boys , 3、作定语的名词一般不用复数形式 two banana trees some girl students 除 a man teacher two men teachers ,a woman teacher three women doctors 外修饰可数名词和不可数名词: some any 只修饰可数名词复数: many few只修饰不可数名词:much little lots of = a lot of larg...