1、first—— 1st
2. Second-second
3. Third-third
4. Fourth-fourth
5, sixth-sixth
6. 20th place
7. 23rd-23rd
Where 1ST, 2 and 3 are special forms, and the rest are Arabic numerals followed by th.
Extended data:
In English, ordinal numbers should be preceded by the definite article the, but not in the following cases:
1. When the ordinal number is preceded by an adjective subject pronoun or a noun possessive case, it is not.
Example:
My mother is the first teacher in my life.
My mother was the first teacher in my life.
2. When expressing fractions, ordinal numbers do not use before.
Example:
One fifth of the students here come from the countryside.
Six fifths of the students here come from the countryside.
3. When expressing "another, another", the ordinal number is not before, but an indefinite article can be added.
Example:
Please give me a second chance.
Please give me another chance.
4. When expressing "year, month and day", the ordinal number should not be before.
Example:
He was born on1June 6, 974.
He was born on1June 6, 974.
When ordinal numbers is an adverbial in a sentence, ordinal numbers doesn't use before.
Example:
Who got there second?
Who got there second?
6. express the ranking obtained in the exam (race, etc. ), ordinal numbers didn't use the before.
Example:
She ranks first in the class.
She ranks first in the class.
7. When expressing someone's birthday, don't add the before the ordinal number.
Example:
Mary's 15 birthday.
Mary's twelfth birthday.
2. The ordinal band of English 1~ 100 is abbreviated as 1 first 1st, second, third, fourth, fifth, sixth, seventh and eighth 8t. h 9 9 th 10th 10th 1th 1th 1th 12 elf th 12 th 13 th 65438。 The 14th/KOOC-0/4th/KOOC-0/5th/KOOC-0/6th/KOOC-0/6th/KOOC-0/7th/KOOC-0/8th. No 19, Nienth19, No.20, No.20, No.21,No.22-2, No.22, No.23, No.24-4, No.25-fi. FTH 25th 26th 26th 26th 26th 27th 27th 28th 29th 30th 3rd13rd13rd13rd130th. Thirty-second thirty-third thirty-third thirty-fourth thirty-fourth thirty-fifth thirty-fifth thirty-sixth thirty-seventh thirty-eighth thirty-eighth thirty-ninth fortieth forty-sixth session 5438+0 Forty-first Forty-second Forty-second Forty-third Forty-fourth Forty-fifth Forty-sixth Forty-seventh Forty-eighth Forty-eighth Forty-eighth Forty-ninth Forty-ninth. 50th 5th 5th15th 1st 52nd 5th 3rd 54th 5th 4th 4th 5th 5th 6th 56th 5th 7th 58th 5th 8th. H No.59, No.59, No.60, No.61No.62, No.63, No.64, No.65, No.66, No.67, No.68, No.69, No.9, No.70, No.71No. 78th seven-eight, 79th seven-nine, 80th eight, 8 1 8th18th, 82nd eight-two, 83rd eight-three and 84th eight. The 85th, 8th, 5th, 86th, 6th, 87th, 8th, 7th, 88th, 89th, 8th, 9th, 90th NI ieth 9 1 NIY- the first 92nd NIY- the second 93rd NI. Y- third 94 niy- fourth 95 niy- fifth 96 niy- sixth 97 niy- seventh 98 niy- eighth 99 niy- ninth 100 one percent.
3. Abbreviations of ordinal numbers and ordinal numbers in English. The following are the most basic ordinal numbers that learners must keep in mind:
First 1 second, second, third, third and fourth.
Fifth, fifth, sixth, seventh, seventh and eighth
Ninth ninth tenth 10 eleventh 1 1 elfth 12.
Third 13 fourteenth 14 fifth 15 thirteenth 16
Issue 17/No.8 of KLOC-0/7/Annual of KLOC-0/8/No.9.
Note: ① Many ordinal numbers are composed of corresponding cardinal words followed by the suffix -th, such as four/four, six/six, ten/ten and six/six. But the ninth became an ordinal number, not nih.
② First, second and third can usually be abbreviated as 1st, second, third and third.
③ Any ordinal number ending in th can be abbreviated as "cardinal word +th", such as 4, 5, 9, 1 1th, etc.
Second, the ordinal number representing all ten can be changed from the corresponding cardinal number to ieth:
Twentieth thirtieth thirtieth fortieth fortieth
Fifth, fiftieth, sixtieth, seventieth, seventieth
The eightieth session
3. Multi-digits of integers that are not ten, just change the single digits into ordinal numbers.
Twenty-sixth, twenty-sixth, thirty-second and thirty-second sessions.
Niy- No.965438+No.O 146
Four, happy, thoughtful, million and other ordinal forms are happy, thoughtful, million and so on.
500th, 500th, 100th 10000
Note: When the number "one" is used before this kind of words, this "one" only uses one instead of one:
4. Ordinal number (English)No. 1 first 1ST (abbreviation) No.2, No.2, No.3, No.4, No.5, No.6, No.7, No.8, No.9 andNo. 654. 38+00 10. Kloc-0/ 165438 No.0 65438+65438 No.05 No.5 16 No.16 16 17/Kloc-0. No.20 265438- No.1 2 1 No.22-No.2 23 24- No.4 25 26-No.6 y- No.7, No.27, No.28, No.29, No.30, No.3/kloc-0, No.31, No.3/kloc-0 Thirty-two Thirty-two Thirty-three Thirty-three Thirty-four Thirty-four Thirty-five Thirty-five Thirty-six Thirty-six Thirty-seven Thirty-seven Thirty-eight Thirty-nine Forty-four Forty-six Forty-six Forty-six 465438+ 0 Forty-one 465438
5. The abbreviation 1~ 100 in English is 1 first, second, third, fourth, fifth, sixth, seventh, eighth and ninth 1654. 38+0 No.11 12 Elf No.30 14 No.14 15 No.15 16 No.16 17 Seven Tooth No.8/Kloc-0. No.37, No.37, No.38, No.39, No.39, No.40, No.40, No.4/KLOC-0, No.41, No.42, No.43, No.44, No.45, No.46, No.47, No.48, No.59, No.565438+50, No.51, No.5, No.3, No.54, No.54, No.
6. The main abbreviations of English ordinal numbers and abbreviations are:
First-first second-second third-third fourth-fourth sixth-sixth twentieth.
Enty-three-23, in which lst, 2 and 3 are special forms, and others are Arabic numerals followed by th.
Methods; Look at the mantissa of the number. If the mantissa is 1.2.3, then 1 is followed by ST (abbreviation of the first), followed by ND (abbreviation of the second) and RD (abbreviation of the third). Remaining number +th.
1) New Year's Day 1. 1
The first day of the first lunar month is the New Year in China.
3) April fool's day 4. 1
The third Sunday in June is Father's Day.
Mother's Day is the second Sunday in May.
6) Christmas 12.25
7) Thanksgiving Day 165438+ the fourth Thursday in October.
8) Women's Day 3.8
9) New Year's Eve falls on the thirtieth day of the twelfth lunar month.
10) Teacher's Day 9. 10
1 1) Children's Day 6. 1
12) The Dragon Boat Festival is on the fifth day of the fifth lunar month.
Mid-Autumn Festival is on the 15th day of the eighth lunar month.
14) labor day 5. 1
7. The ordinal abbreviations of11-31-kloc-0/0:1ST, 2, 3, 4, 5, 6, 7, 8, 9, 6544. 1 1-20: 1 10， 12， 13， 14， 15， 16， 17， 18， 19，20，2 1-365438+
Abbreviations in brackets are all composed of Arabic numerals followed by the last two letters of ordinal numbers. 2. Category II: fourth (4), fifth (5), sixth (6), seventh (7), eighth (8), ninth (9) and tenth (10). Eleventh (1 1th) Eleventh, elf th( 12) Twelfth, Thirteenth (13) Thirteenth, Fourteenth (14) Fourteenth, Fifth (/kloc-0) Sixth (16), seventeenth (17), eighteenth (18) and Niens (19), there are sixteen such ordinal numbers.
They all need to add the suffix -th after the corresponding cardinal words. Pay attention to the spelling of the words fifth, eighth, ninth and elf.
3. The third category: twentieth (20), thirtieth (30), fortieth (40), fifth (50), sixtieth (60), seventieth (70) and eightieth (80) of entieth. This ordinal number is all ten integers.
They are formed by changing Y in the suffix -ty of the corresponding ten-digit integer to I and adding the suffix -eth. 4. Category 4: Category 31 (3 1), Category 62 (62), Category 87 (87) and Category 98 (98).
In terms of composition methods, they are all changed from the cardinal number "tens", and the ten digits remain unchanged, but the cardinal number in the unit has become an ordinal number. Extended data:
The main abbreviations of 1-3 1 ordinal number are as follows: 1. If the mantissa of a number is 1, 2, 3, then 1 is followed by ST (abbreviation of the first), 2 is followed by nd (abbreviation of the second), and 3 is followed by RD (abbreviation of the third).
First, first (1st); Second, second (2nd); ; Third, third (3); Twenty-first, Enty-1(21st); The 22nd, 22nd (22nd); Twenty-third, twenty-third (23rd). 2. Except 1st, No.2 and No.3, all abbreviations of ordinal numbers are Arabic numerals followed by th.
Fourth, fourth (4); Sixth, sixth (6); ; Eleventh, eleventh (1 1 time); +0 times); Twelfth, elfth (12nd); Thirteenth, thirteenth (13); 14th, 14th (14); Fifth, fifth (15); Twentieth, entieth (twentieth).
8. It doesn't matter whether the abbreviation of ordinal number in English is written after the number or to the right of the number. If you type with a computer, "th" will automatically jump to the upper right corner of the number. If you use a typewriter, you will see this: (1) Mary celebrated her 1 1 birthday yesterday. (2 2) 10/October 24th is the 297th day of a year (the 298th day of a leap year). In the Gregorian calendar. There are still 68 days before the end of the year. (3)2 1st； 22nd; 23 rd; 3 rd floor; .