可数名词与不可数名词

1、never seldom sometimes often usually always0%20%40%60%80%100%Adverbs of frequency tell you how often things happen. Look at the graph below.Make a dialogue with your partner using “how often”.A: How often do you play football?B: I always play football after school.A: How often.B: . PracticeComplete

2、the sentences on Page 64.Then use never, seldom, sometimes, often, usually, always to make sentences about yourself.Countable and uncountable nouns名词是表示人、事物、地点或抽象概名词是表示人、事物、地点或抽象概念的名称的词，可以用数量来计算的念的名称的词，可以用数量来计算的名词为可数名词。名词为可数名词。可数名词可数名词一般有一般有单单数数和和复数复数两种形式。两种形式。可数名词的可数名词的单数，我们可以用单数，我们可以用 a 或或an来修饰，来修

3、饰，当一个可数名词是以元当一个可数名词是以元音因素开头的话音因素开头的话用用an 。例如：。例如：a cake, an egg, an orange。 可数名词的复数可数名词的复数形式变化如下：形式变化如下： 一般在名词词尾加一般在名词词尾加-s.如：如：cakes, pens; 以以s, x, ch, sh结尾的名词的词尾加结尾的名词的词尾加-es. 如：如：watches, wishes, boxes. 以以“辅音字母辅音字母+y”结尾结尾的名词的名词改改y为为i再再 加加 es.如：如：stories, cities. 以以f或或fe结尾的名词改结尾的名词改f或或fe为为v再加再加es.

4、 如：如：shelves, knives. 以以“辅音字母辅音字母+o”结尾的有生命的名结尾的有生命的名词词 在词尾加在词尾加es.如：如：tomatoes, potatoes. 无生命的名词无生命的名词+s.如：如：pianos, radios.有些名词的复数变化是有些名词的复数变化是不规则不规则的。的。child-children woman-womenman-men foot-feet tooth-teeth fish-fish Chinese-Chinese sheep-sheep一般无法用数量来计算的名词为不可数名一般无法用数量来计算的名词为不可数名词。不可数名词前面不能用表示具体数

5、量词。不可数名词前面不能用表示具体数量的数词或不定冠词的数词或不定冠词a, an, 可用一些量词，可用一些量词，如：如：a packet of, two bags of, four kilos of, three cups of等。等。two bags of ricea packet of salta glass of juicethree cups of teafive cartons of milkfour kilos of meatTry to find out if the following words are countable nouns or uncountable nouns

6、.boy, bread, tea, rice, family, tomato, picture, juice, class, bus, water, hamburger, meat, beef, cake, vegetable, chicken, appleWrite the plural form of these countable nouns.1. boy _ 2. story _ 3. watch _ 4. wish _ 5. fox _ 6. radio _7. tomato _ 8. knife _ 9. shelf _ 10. foot _ 11. woman_ 12. chil

7、d _ 13. tooth _ 14. sheep _boysstorieswatcheswishesfoxesradiostomatoesknivesshelveschildrenwomenfeetteethsheepWe use there be to show that something exists.We use _before a singular noun or an uncountable noun.We use _ before a plural noun.there isthere areThere is a tomato on the shelf. There is some milk in the glass. There are many vegetables in the basket. Practice Look at the picture and talk about the food with your partner with “there be”. Then complete the dialogue on your own.对划线部分提问。对划线部分提问。1. There are two packets of rice on the ground.