(
课件网) Unit 5 A healthy lifestyle Grammar 能区分可数名词和不可数名词。 能掌握单数可数名词变复数形式的规则。 能掌握不可数名词的量的表达。 能在实际语境中正确使用可数名词和不可数名词。 学习目标 1 2 3 4 什么是名词？ 名词是表示人或事物名称的词。 Lead in What is a noun Person Animal Thing Place boy girl baby cat dog pig pen sun water house school park 按照名词所表示的事物的性质， 可以把名词分为 可数名词 不可数名词 an apple a car two bags fifty trees water money homework air 新课讲授 Types of nouns Examples Countable nouns Singular (单) Plural (复) Uncountable nouns Can you put them into different groups in the following table pancake milk fish meat tofu fruit vegetables cakes sweets sugar teeth 什么是可数名词 Countable nouns (可数名词) refer to something we can count. They have singular forms and plural forms. 可数名词指可用数目来计算的某物。 他们有单数形式和复数形式。 可数名词如何使用？ 1. 单数形式一般不单独出现，要与不定冠词、数词、指示代词等连用。 One animal two animals I have a world map at home. There is an article about the Earth. This plant is beautiful. These animals are dangerous. a banana an egg 当表示单个可数名词时，什么时候用“a”, 什么时候用“an”呢 Look at the countable nouns in the table. ____book ____carrot ____apple ____ice cream ____English book ____old man ____hamburger ____hour ____unit ____umbrella a an a an a an an an a an 归纳： a用在_____的单词前，an用在_____的单词前。 注意： 判断一个单词前用a还是an，要根据其读音，而不是根据首字母。 以辅音音素开头 以元音音素开头 /b/ /k/ / / /a / / / / / /h/ /a / /j/ / / an umbrella an unusual story an unhappy boy (1)以u开头的单词 a university a useful book a unit (2)以e开头的单词 an egg a European boy an honest boy (3)以h开头的单词 an hour 要特别注意区别以下单词： 2.可数名词的数量大于1，或前面有these/those , some/a lot of 等词修饰时，需用其复数形式。 One animal two animals These animals are dangerous. 单数可数名词如何变复数呢？ a tree two trees a bird two birds 一般情况下直接在词尾加-s a bus two buses a box two boxes a watch two watches a brush two brushes 以s, x, ch, sh等结尾的词，在词尾加-es a baby two babies a strawberry two strawberries 以辅音字母+y结尾的，变y为i 再加-es a monkey two monkeys a boy two boys 以元音(a/e/i/o/u)字母+y结尾的，直接加-s a radio two radios 以o结尾的名词，一般加直接加-s a tomato three tomatoes 以o结尾的名词，有时加-es 以o结尾加-es的单词主要有： heroes, potatoes, tomatoes（英雄爱吃土豆西红柿） a leaf two leaves 以-f或-fe结尾的名词，把f改成v再加-es a knife two knives 以-f或-fe结尾的名词，变成复数时，把-f改成-v再加上-es。 妻子持刀去杀狼，小偷吓得直发慌。 躲在架后保己命，半片树叶遮目光。 wife-wives knife-knives wolf-wolves thief-thieves shelf-shelves self-selves life-lives half-halves leaf-leaves 这个顺口溜能帮助你哦！ 下面这些单词单复同形！ a Chinese two Chinese a Japanese two Japanese a deer two deer a sheep five sheep 下面这些单词不走寻常路！ a man three men a woman seven women 注意women的发音哦！ [ w m n] 变化 ... ...
