Unit 6 Grammar 名词单复数课件 2023-2024学年牛津译林版七年级英语上册

Unit6 Grammar Countable(可数) & Uncountable(不可数) Nouns Lead-in: What did you eat last week? ...... 2 Present Grammar: Nouns Countable Nouns Uncountable Nouns 3 Countable nouns: A countable noun is something we can count (数). 4 Countable nouns: Singular 单数 Plural 复数 What’s the difference (不同)? 5 Singular countable nouns: an apple an orange an egg a cake a bus a lemon We use a or an before a singular countable noun. 6 Singular Countable nouns Discussion: When should we use an before a singular countable nouns? More examples: an hour [a ] an uncle/aunt [ kl] [ nt] There is a “u” and an “s” in the word “ use”. an apple [ pl] [es] [ ju ] 7 Singular Countable nouns If the noun starts with a consonant(辅音) sound, we use ‘a’. If the noun starts with a vowel(元音) sound, we use ‘an’. The first sound of a word is important, not the first letters “ a e i o u” ! [i:]、[i]、[ :]、[ ]、[u:]、[u]、[ :]、[ ]、[ :]、[ ]、[e]、[ ]、[ei]、[ai]、[ i]、[ ]、[u ]、[i ]、[au]、[ u] 8 A TEST: 1. _ old bike 2. _ tall tree 3. _ orange coat 4. _ university 5. half _ hour 6. _English book 7. _ American boy a an a an an an an an a [i:]、[i]、[ :]、[ ]、[u:]、[u]、[ :]、[ ]、[ :]、[ ]、[e]、[ ]、[ei]、[ai]、[ i]、[ ]、[u ]、[i ]、[au]、[ u] 9 How to form a plural countable nouns? 可数名词变复数 10 Rule 1: Singular(单数) Plural(复数) pear-pears lemon-lemons watermelon-watermelons hamburger-hamburgers 可数名词一般是直接在名词后面加s 11 Rule 2: day - days toy - toys holiday - holidays monkey - monkeys Singular plural story - stories city - cities candy - candies baby - babies 辅音字母+y结尾的:y+ies 元音字母+y结尾的:y+s 12 Rule 3: piano — pianos radio — radios photo — photos zoo — zoos Singular plural bus — buses class — classes dish — dishes wish — wishes 以字母s, x, sh, ch结尾的单词,变为复数时在其后加es 13 Rule 4: watch — watches match — matches box — boxes fox — foxes Singular plural hero — heroes potato — potatoes mango — mangoes tomato — tomatoes 以O结尾的,表示有生命的名词,复数后面加 es 没有生命的物体,复数加 s. 英雄爱吃土豆芒果西红柿 14 Rule 5: Singular plural wife — wives (妻子) knife — knives (刀) wolf — wolves (狼) thief — thieve