序数词的英语单词(经典3篇)

序数词的英语单词 篇一

The Complete Guide to English Ordinal Numbers

Introduction:

Ordinal numbers are an essential part of the English language. They are used to indicate the position or order of things in a series or sequence. In this article, we will explore the different ordinal numbers in English and how they are used in various contexts.

Cardinal Numbers vs. Ordinal Numbers:

Before diving into the world of ordinal numbers, it is important to understand the difference between cardinal numbers and ordinal numbers. Cardinal numbers are used to express quantity or how many of something there are. For example, "one," "two," "three," etc. On the other hand, ordinal numbers are used to indicate the position or order of something in a series. For example, "first," "second," "third," etc.

Formation of Ordinal Numbers:

In English, ordinal numbers are formed by adding the suffix "-th" to the cardinal number, with a few exceptions. For example, "one" becomes "first," "two" becomes "second," "three" becomes "third," and so on. However, there are irregularities in the formation of ordinal numbers for some numbers, such as "eleventh," "twelfth," "twentieth," etc.

Usage of Ordinal Numbers:

Ordinal numbers are used in various contexts, including dates, rankings, fractions, and more. Here are some examples of how ordinal numbers are used:

1. Dates: In dates, we use ordinal numbers to indicate the day of the month. For example, "January 1st," "February 14th," "December 25th," etc.

2. Rankings: Ordinal numbers are used to indicate the position of something in a ranking or competition. For example, "the first-place winner," "the second-best option," "the third-fastest runner," etc.

3. Fractions: Ordinal numbers are also used to express fractions. For example, "one-third," "two-fifths," "three-quarters," etc.

4. Sequence: Ordinal numbers are used to indicate the order or sequence of events or steps. For example, "first, you need to gather the ingredients. Second, mix them together. Third, bake the mixture," etc.

Conclusion:

Ordinal numbers play a significant role in the English language. They are used to indicate the position or order of things in a series or sequence. By understanding the formation and usage of ordinal numbers, you will be able to communicate effectively in various contexts. So, next time you need to express the order of something, remember to use the appropriate ordinal number!

序数词的英语单词 篇二

Mastering the Use of English Ordinal Numbers

Introduction:

Ordinal numbers are an integral part of the English language, and mastering their usage is essential for effective communication. In this article, we will delve deeper into the world of English ordinal numbers, exploring their formation, pronunciation, and usage in different contexts.

Formation and Pronunciation:

In English, most ordinal numbers are formed by adding the suffix "-th" to the cardinal number. However, there are exceptions for numbers ending in "one," "two," "three," and "five." For example, "one" becomes "first," "two" becomes "second," "three" becomes "third," and "five" becomes "fifth." Additionally, there are irregularities for numbers such as "eleven," "twelve," "thirteen," and so on. It is crucial to learn these irregularities to use ordinal numbers correctly.

Pronunciation of ordinal numbers can also pose a challenge for non-native English speakers. While the pronunciation of cardinal numbers is straightforward, the pronunciation of ordinal numbers often involves stress on different syllables. For example, "first" is pronounced with stress on the first syllable, "second" with stress on the second syllable, and "third" with stress on the first syllable.

Usage in Different Contexts:

Ordinal numbers find their applications in various contexts, including dates, rankings, fractions, and more. Let's explore their usage in more detail:

1. Dates: When expressing dates, ordinal numbers are used to indicate the day of the month. For example, "January 1st," "February 14th," "December 25th," etc.

2. Rankings: Ordinal numbers are commonly used to describe the position of something in a ranking or competition. For instance, "the first-place winner," "the second-best option," "the third-fastest runner," etc.

3. Fractions: Ordinal numbers can be employed to express fractions. For example, "one-third," "two-fifths," "three-quarters," etc.

4. Sequence: When describing steps or events in a specific order, ordinal numbers are used. For example, "first, you need to gather the ingredients. Second, mix them together. Third, bake the mixture," etc.

Conclusion:

Mastering the use of English ordinal numbers is crucial for effective communication in both written and spoken English. By understanding their formation, pronunciation, and usage in different contexts, you can enhance your language skills and express yourself accurately. So, embrace the world of ordinal numbers and unlock the full potential of your English language proficiency!

序数词的英语单词 篇三

关于序数词的英语单词

　　在学习英语的过程中，需要大量的积累单词和掌握语法，这也是大家认为最难的'地方。以下是小编为大家搜索整理的关于序数词的英语单词，希望能给大家带来帮助!

　　第1-10：first、second、third、fourth、fifth、sixth、seventh、eighth、ninth、tenth

　　第11-19：eleventh、twelfth、thirteenth、fourteenth、fifteenth、sixteenth、seventeenth、eighteenth、nineteenth

　　第20-29：twentieth、twenty-first、twenty-second、twenty-third、twenty-fourth、twenty-fifth、twenty-sixth、twenty-seventh、twenty-eighth、twenty-ninth

　　第30-39：thirtieth、第31thirty-first、以此类推

　　第40-49：fortieth、第41、forty-first以此类推

　　第50-59：fiftieth、第51、fifty-first以此类推

　　第60、-69：sixtieth、第61、sixty-first以此类推

　　第70-79：seventieth、第71、seventy-first以此类推

　　第80-89：eightieth、第81、eighty-first以此类推

　　第90-99：ninetieth、第91、ninety-first以此类推

　　第100：one hundredth

　　第1000：one thousandth

　　第1001：one thousandth、and、one

　　【拓展阅读】

　　小学生必背英语单词

　　principal，university，student，cabbage，pork，mutton，empty，

　　the，trash，put，away，the，clothes，air-conditioner，over，

　　in，front，of，sky，cloud，mountain，village，city，

　　四会单词、词组

　　young，funny，tall，strong，kind，old，short，thin，who's=who，

　　is，Mr，what's=what，is，like，he's=he，is，strict，smart，active，

　　quiet，she's=she，is，very，but，Monday，Tuesday，Wednesday，

　　Thursday，Friday，day，have，on，Saturday，Sunday，do，homework，

　　watch，TV，read，books，What，about，too，eggplant，fish，green，

　　beans，tofu，potato，tomato，for，lunch，we，tasty，sweet，sour，

　　fresh，salty，favourite，they're=they，are，fruit，don't=do，

　　not，grape，cook，the，meals，water，the，flowers，sweep，the，

　　floor，clean，the，bedroom，make，the，bed，set，the，table，wash，

　　the，clothes，do，the，dishescan't=cannot，use，a，computer，

　　curtain，trash，bin，closet，mirror，end，table，bedroom，kitchen，

　　bathroom，living，room，in，on，under，near，behind，clothes，

　　river，flower，grass，lake，forest，path，park，picture，house，

　　bridge，tree，road，building，clean

　　拓展：小升初英语序数词复习专题

　　一． 序数词

　　1． 基数词变序数词的规律 ：

　　基变序，有规律。

　　一、二、三、特殊记，词尾字母t,d,d.(first, second, third)。

　　八减t,九去e,（eighth, ninth）, f 来把ve替。 （twelfth）.

　　单词ty作结尾，ty变成tie(twentieth).

　　若是碰到几十几，只变个位就可以。（twenty-first）

　　序数词

　　1st first

　　2nd second

　　3rd third

　　4th fourth

　　5thfifth

　　6th sixth

　　7th seventh

　　8th eighth

　　9th ninth

　　10th tenth

　　11th eleventh

　　12th twelfth

　　20th twentieth

　　21st twenty-first

　　22nd twenty-second

　　29th twenty-ninth

　　30th thirtieth

　　31st thirty-first

　　40th fortieth

　　50th fiftieth

　　60th sixtieth

　　70th seventieth

　　80th eightieth

　　90th ninetieth

　　100th hundredth

　　2． 序数词的用途

　　a. 用来表示时间

　　例如：2008年2月28日可以表示为Fe

　　b. 用来表示顺序

　　例如：He is always the first to come to school.

　　他总是第一个来学校。

　　c. 用来表示楼层

　　例如：He lives on the fourth floor.他住在四楼。

　　以下是表示月份的单词，同学们要牢记：

　　January, February, March, April, May, June, July, August, September, October, November, December,

　　数词的用法：

　　一、表示事物的编号：如： the ninth part = part nine 第九部分

　　the Fourth Lesson = Lesson Four 第四课 the sixth paragraph= paragraph six 第六段

　　二、表示年月日： 年用基数词，日用序数词。例如：

　　1949年10月1日—写法： Oct..1, 1949. 读做：Oct. (the ) first, nineteen forty-nine.

　　2009年3月28日—写法： March 27, 2009. 读作： March, (the) twenty-seventh, two thousand and nine.

　　三、表示时间：

　　四、表示加减乘除：

　　15+2=？ How much is fifteen plus two? 8-7=? How much is eight minus seven?

　　12×12=？ How much is twelve times twelve? 81÷9=？ How much is eighty-one pided by nine?

　　五、用数词表示分数时， 分子用基数词，分母用序数词；如果分子大于1，分母要用复数。

　　1/2: one-second 3/4 three-fourths, 2/5 two-fifths.

　　记口诀： 分子基，分母序。分子大于1， 分母加 s.

　　六、读小数时，数字只用基数词： 3.4 读作：three point four 0.2读作zero point two

　　练习：

　　一、用英语写出下列日期:

　　1月6日 八月七日 5月1日 4月3日 12月1日 10月1日 九月十日 2月4日

　　二、 用英语写出下列数字：

　　1/2 1/3 3/4 2/5 4/7 42.7 5.3 6.37 8.96

　　三、用英语写出下列算式：

　　1+1=2 2+5=7 19-12=7 23-17=6

　　四、用英语写出下列时间：

　　9:30 1:05 6:40 8:57 4:09 12:00