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课件网) Grammar Unit 5 A healthy lifestyle 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 01 02 03 04 Choose one pictures different from the other three and then tell the reasons. Reason 1: apple, pear and lemon are fruits. Bread is not fruit. Reason 2: apple, pear and lemon are countable nouns. Bread is an uncountable noun. Lead in Choose one pictures different from the other three and then tell the reasons. Reason 1: milk, juice and cola are drinks. Carrot is a kind of vegetable. Reason 2: milk, juice and cola are uncountable nouns. Carrot is a countable noun. Choose one pictures different from the other three and then tell the reasons. potatoes mangoes photos tomatoes Can you give me two reasons edible可食用的 / ed b( )l/ Countable nouns [cn] Uncountable nouns [un] [cn] refers to something we can count. For example, an apple, two pears and ten lemons. [un] refers to something we cannot count. For example, we cannot say a bread. How can we express countable nouns 新课讲授 Types of nouns an egg an elephant a pen an “h” an umbrella a robot a “u ” a doll a or an 判断用a还是an，不看单词首字母长相是否为元辅音字母，只能听名词首字母发音是否为元辅音音素。 The singular（单数）of countable nouns When to use “an” When to use “a” If the countable noun begins with a vowel sound (元音音素), we use “an”. If the countable noun begins with a consonant sound (辅音音素), we use “a”. umbrella unusual story unhappy boy (1)以u开头的单词 university useful book unit (2)以e开头的单词 egg European boy honest boy (3)以h开头的单词 hour 要特别注意区别以下单词： an an an an an an a a a a How to form the plural of countable nouns an orange Rule 1: We add “s” to most nouns. three oranges a cat two cats The plural（复数） of countable nouns a banana four bananas strawberry strawberries baby babies key keys boy boys Rule 2: Nouns ending in a consonant + y:-y+ies Nouns ending in a vowel + y:+s Can you help them find the right home -y + ies +s family story toy city monkey holiday Practice bus buses box boxes watch watches brush brushes Rule 3: Nouns ending in s , x , ch or sh:+es photos photo radios radio piano pianos hero heroes potato potatoes mango mangoes tomato tomatoes Rule 4: Nouns ending in o:+s or +es wife-wives wolf-wolves knife-knives thief-thieves life-lives shelf-shelves leaf-leaves half-halves Rule 5 nouns ending in f or fe:-f / fe + ves leaf leaves 1、There are some ___ in these ___. A. knifes ; pencils-box B. knives ; pencil-boxes C. knives ; pencil-box D. knives ; pencils-boxes knife knives Choose the right answer. 2、In autumn, you can see a lot of ___ on the ground. leaf B. leafs C. leaves D. leave pencil-box pencil-boxes Practice Some special nouns：改变单词中的元音字母 man———men woman———women tooth———teeth foot———feet Some special nouns：单复数同形 a sheep ——— two sheep a fi ... ...
