| 分类 | 单词 |
|---|---|
| 液体饮品 | water (水), milk (牛奶), tea (茶), coffee (咖啡), juice (果汁) |
| 肉类食物 | beef (牛肉), chicken (鸡肉), pork (猪肉), fish (鱼肉), bread (面包) |
| 自然物质 | rice (大米), salt (盐), hair (头发) |
| 抽象概念 | time (时间), money (钱), work (工作), news (新闻), advice (建议) |
| 规则 | 发音/说明 | 例子 |
|---|---|---|
| 1. 一般直接加 -s | 清辅音后读/s/, 浊辅音/元音后读/z/ | book - books, boy - boys |
| 2. s, x, sh, ch 结尾加 -es | 读作/iz/ | bus - buses, box - boxes, watch - watches |
| 3. 辅音字母+y 结尾,变 y 为 i 加 -es | 读作/iz/。注意:元音字母+y(boy)直接加s | baby - babies, city - cities |
| 4. f / fe 结尾,变 f/fe 为 v 加 -es | 读作/vz/ | leaf - leaves, knife - knives, wife - wives |
| 5. o 结尾 | "两人两菜"加es,其余外来词/缩写加s | tomato - tomatoes, potato - potatoes, hero - heroes photo - photos, zoo - zoos |
| 类别 | 单数 -> 复数 |
|---|---|
| 改变元音 | man -> men (男人), woman -> women (女人) foot -> feet (脚), tooth -> teeth (牙齿), mouse -> mice (老鼠) |
| 特殊结尾 | child -> children (小孩) |
| 单复数同形 | sheep (绵羊), deer (鹿), Chinese (中国人), Japanese (日本人) |
| 冠词 | 含义 | 用法 |
|---|---|---|
| a (不定冠词) | 一个,某一个 (泛指) | 用在以辅音音素开头的单数可数名词前 (a book, a car, a dog) |
| an (不定冠词) | 一个,某一个 (泛指) | 用在以元音音素开头的单数可数名词前 (an apple, an egg, an hour) |
| the (定冠词) | 这,那 (特指) | 1. 特指某人某物 (Look at the boy.) 2. 再次提到 (I have a dog. The dog is big.) 3. 世界上独一无二的事物 (the sun, the moon) |