英語(yǔ)中數(shù)詞-基數(shù)詞序數(shù)詞PPT優(yōu)秀課件

1、根據(jù)中文注釋或首字母提示，用所學(xué)單詞的正確形式填空。1. The first month in a year is J_.2. We have an Art F_ each year.3. June 7th is his b_.4. School starts in S_ (九月).5. This is my friend. She likes to p_ chess.6. Today Im too b_. I have no time to play football.7. All my classes f_ (結(jié)束) at four thirty.8. How many m_ (月) do

2、es a year have? Twelve or thirteen.9. We need eat a lot of v_ and fruit.10. I have many f_ at school.anuaryestivalirthdayeptemberlayusyinishonthsegetablesriends11. How many d_ are there on the desk?12. He often h_ (幫助) me with my English.13. Are you f_ (空閑的) this afternoon?14. Playing basketball is

3、not very easy. Its d_.15. The classroom is not big. Its s_.16. How m_ are these yellow jackets?17. Kate likes the cat very much. It is her f_ animal.18. I dont know their telephone n_.19. Its time to have b_. You must get up now.20. I have eggs, chicken for lunch, so I eat very w_ (好) today.21. Jack

4、 plays sports every day, so he is very h_ (健康的).ictionaries elpsreeifficultmalluchavouriteumberreakfastellealthy 主要分為基數(shù)詞和序數(shù)詞兩類。數(shù)詞 1. 從110 one, two, three, four, five, six, seven, eight, nine, ten2. 從 1119 eleven, twelve, thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen這里除 eleven,

5、twelve, thirteen, fifteen, eighteen為特殊形式外, fourteen, sixteen，seventeen, nineteen都是由其個(gè)位數(shù)形式后添加后綴-teen構(gòu)成。 基數(shù)詞 : 表示數(shù)目的詞稱為基數(shù)詞。其形式如下：3. 從 2099 整數(shù)幾十中除twenty, thirty, forty， fifty, eighty為特殊形式外, sixty, seventy, ninety 都是其個(gè)位數(shù)形式后添加后綴-ty構(gòu)成。 表示幾十幾時(shí), 在幾十和個(gè)位基數(shù)詞形式之間添 加連字符“-” 。 21 twenty-one 76 seventy-six 4. 百位數(shù) 個(gè)

6、數(shù)基數(shù)詞形式加“hundred”。 100 one hundred/a hundred 表示幾百幾十幾，在幾十幾與百位間加and。101 648 six hundred and forty-eight a hundred and one口訣基數(shù)詞要注意, 一到十二逐個(gè)記;從十三到十九, teen跟幾(個(gè))走;thirteen, fifteen辨仔細(xì), eighteen只有一個(gè)t;二十到九十, ty跟在幾后面;twenty, thirty重點(diǎn)記, forty, eighty去u、t;怎樣拼寫(xiě)幾十幾?連字(符)-橫莫丟棄, 百(位)十(位) and來(lái)連替。813294067300345three

7、hudred and forty-five1016307899eightthirteentwenty-ninefortysixty-seventhree hundredtensixteenthirtyseventy-eightninety-nine序數(shù)詞是指序數(shù)詞是指表示順序表示順序的數(shù)詞。的數(shù)詞。 1. 從第一至第十九：從第一至第十九： one firstthree third five fifth seven seventhnine ninth eleven elevenththirteen thirteenth fifteen fifteenthseventeen seventeenth

8、 nineteen nineteenth six sixthten tenth twelve twelfthfourteen fourteenth sixteen sixteenth eighteeneighteenth 除了first, second, third, fifth, eighth,ninth, twelfth外，其它的序數(shù)詞都是由其相對(duì)應(yīng)的基數(shù)詞后面添加“th”構(gòu)成。two secondfour fourth eight eighth 2.從從第二十至第九十九第二十至第九十九 整數(shù)第幾十整數(shù)第幾十的形式由其對(duì)的形式由其對(duì) 應(yīng)的基數(shù)詞應(yīng)的基數(shù)詞改變結(jié)尾字母改變結(jié)尾字母y為為ie,

9、 再加再加“th”構(gòu)成，構(gòu)成， 但第十是但第十是tenth。 表示表示第幾十幾第幾十幾時(shí)時(shí),用用幾十的基數(shù)詞幾十的基數(shù)詞形式加上連字形式加上連字 符符“-”和和個(gè)位序數(shù)詞個(gè)位序數(shù)詞形式一起表示。形式一起表示。 twentytwentieth thirtythirtieththirty-first 第三十一fifty-sixth 第五十六seventy-third 第七十三 ninety-ninth 第九十九 表示表示第幾百幾十幾第幾百幾十幾時(shí)，由時(shí)，由基數(shù)詞的形式變結(jié)尾基數(shù)詞的形式變結(jié)尾部分為序數(shù)詞形式部分為序數(shù)詞形式來(lái)表示。來(lái)表示。one hundred and twenty-first第一百二十一第一百二十一一二三一二三 , 特殊記特殊記;五和十二很容易五和十二很容易, f來(lái)把來(lái)把ve替替;八去八去t, 九去九去e, 末尾都加末尾都加th;遇到幾十幾遇到幾十幾, 只變個(gè)位就可以只變個(gè)位就可以;遇到整幾十遇到整幾十, 改改y為為ie, 末尾仍加末尾仍加th ?？谠E口訣序數(shù)詞的縮寫(xiě)序數(shù)詞的縮寫(xiě) 其中l(wèi)st，2nd，3rd為特殊形式，其它的都是 阿拉伯?dāng)?shù)字后加上th。 firstlst second2nd third3rd fourth4thsixth6th twentieth20th twenty-third23rd第三第三第十二第十二第