Unit 5 A healthy lifestyle Grammar 课件2025-2026学年译林版英语七年级上册

Unit 5 A healthy lifestyle Grammar 1 Learning objectives 1.知道可数名词和不可数名词是什么； 3.掌握不可数名词的用法。 2.掌握可数名词的单复数用法； “在这个温馨的生日聚会上，有一个大大的蛋糕（a big cake），上面插着一根蜡烛（a candle）。小朋友们都来了，每个人都带来了一份礼物（a present）。慢慢地，来的人越来越多，礼物也越来越多，有很多礼物（presents）摆在角落里，蛋糕也被分成了好多块（pieces of cake 情景导入 3 Countable nouns and uncountable nouns Can you help the nouns in the box find their home? c.n. u.n. apple rice lemon meat hamburger carrot juice sheep milk sweet man pork beef chicken 用a还是用an要看名词开头的音素而不是字母 an umbrella an unusual story an unhappy boy 要特别注意区别以下单词： (1)以u开头的单词 a university a useful book a unit a European boy (3)以h开头的单词 (2)以e开头的单词 an hour an egg an honest boy 大多数词后 +S cake ---cakes 以“辅音字母+y"”结尾的词 去掉y,再加ies story --stories 以s、X、ch、sh结尾的词 +es bus --buses wish --wishes match --matches boX--boxes 以“辅音字母+o”结尾的词 +s/+es photo --photos potato --potatoes tomato --tomatoes 以f或fe结尾的词 去掉f或fe,再+ves half --halves life --lives 以“元音字母+o”结尾的词 后加s radio--radios video --videos ZOO-ZOOS kangaroo-kangarooS 不规则变化 man --me n Woman --Women foot --feet tooth --teeth child --children sheep ---sheep To form the plural of most countable nouns,we add -s to the singular form. However,there are some exceptions. book piano cake story leaf 直接+s -y再+ies city class wish 加s/es +es photo river half man match 将苹果放在正确的篮子里 girl wife life foot 不规则 变化 -f/fe再+ves Presentation i bus 构成方法 例词 单复数同形 Chinese-Chinese,sheep-sheep 变字母oo为ee foot-feet,tooth-teeth,goose-geese 变man为men man-men,Woman-Women 其他形式 child-children 有些名词的复数变化是不规则的。 复合名词(名词十名词)变复数的规则如下： ①通常只将后一个名词变为复数。 boy student --boy students男学生 girl friend --girl friends女朋友 computer game--computer games电脑游戏 ②个别复合名词的第一个名词只能用复数。 a sports meeting 一个运动会 two clothes shops两个服装店 ③man 和woman 与其后名词的单复数保持一 致。 man doctor --men doctors男医生 woman teacher=women teachers女 老 师 ---------- 不可数名词(uncountable nouns)不能以数目来计算，不可以分割成个 体。不可数名词没有复数形式，其前也不能用a/an或其他具体的数词 来修饰。 cheese What aresthey? salt rice tea pork milk juice watches boxes fishes buses 以字母 s,x,ch,sh 结尾，加es rule 3 a story 元音字母+y结尾直接加s 辅音字母+y结尾：y--ies a toy some toys many stories rule 2 以f或fe结尾, 改f或fe为v, 加es eg： wife, leaf, shelf, life a knife knives rule 5 half---halves man — men woman — women Some other nouns 15 hero--heroes tomato--tomatoes potato--potatoes mango--mangoes 以o结尾的单词, 有生命的es, 无生命加 s pianos radios photos zoos kilos rule 4 foot — feet tooth — teeth Some other nouns 17 Presentation An uncountable noun refers to something we cannot count.We show the cheese water Soup a piece of cheese a glass of yater a bow of soup milk five cartons of milk tea three cups of tea juice six bottles of juice salt a packet of salt meat four kiloS of meat amount of uncountable nouns like this: rice of rice We can use numbers or the article(a/an)with countable (countable,uncountable)nouns. We cannot use numbers with uncountable countable, uncountable)nouns. kid 表示人 snacks 事 物 idea 抽象概念 Countable nouns uncountable noun Presentation What is a noun? noun · · B Talk with your partner about what food you need for a class party, using countable and uncountable nouns. Five cartons of milk six bottles of juice four kilos of meat a piece of cheese a bowl of soup three cups of tea two bags of rice a packet of salt a glass of water I want .... 用括号中单词的正确形式填空。 1.The apples (apple)in the basket are very fresh. 2.They are brown boxes (box). 3.There are some tomatoes (tomato)in the fridge. 4.The women (woman)are chatting in the park. 5.I brush my. teeth (tooth)every morning. 6.Linda loves to read stories (story)like Yu Gong Moved the Mountains(愚公移山)and Hou Yi Shot the Suns(后羿射日). 7.The leaves (leaf)on the trees fall(落下)in autumn. $