2021年中考英语语法数词复习ppt课件.pptx

1、数 词CONTENTS1数词的分类23基数词序数词4数词的特殊用法1数词的分类0102基数词：序数词：数词表示数量的多少。one,two,three,four表示数字的次序。first,second,third,fourth数词的分类There are five people in my family.We live on the sixth floor in a tall building.我家有五口人。我们住在一座高楼的第六层。2基数词基数词的构成112,独立成词 one two three four five six seven eight nine ten eleven twelve1

2、3-19,由39+teen构成 14fourteen 16-sixteen 17-seventeen 19nineteen 特殊拼写:13 thirteen 15-fifteen 18eighteen2090,以-ty结尾 20twenty 30-thirty 40forty 50fifty 80-eighty 60-sixty 70-seventy 90ninety 2199，两位数，十位与个位之间有“”21 twentyone 55 fiftyfive 99 ninetynine101999，三位数，百位与十位/个位之间加and。101 one hundred and one 840 ei

3、ght hundred and forty 693 six hundred and ninety-three基数词中只有“百”“千“单位词，没有“万”、“亿”1,000以上的数，先从后向前数，每三位加“，”，第一个“，”前为thousand，第二个“，”前为million，第三个“，”前为billion(美式)或thousand million(英式)。2929,4314315005007 76 6,thousandhundredmillionbillionand26 260 2,261 2,026 1,200,226 100 1,000 10,000 100,000 1,000,000 Ex

4、erciseone/a hundred one thousand ten thousand one hundred thousand one million twenty-six two hundred and sixty two thousand,two hundred and sixty-one two thousand and twenty-six one million,two hundred thousand,two hundred and twenty-six100,000,000 2,648 16,256,064 5,237,166,234 Exerciseone hundred

5、 milliontwo thousand,six hundred and forty-eightsixteen million,two hundred and fifty-six thousandand sixty-fourfive billion，two hundred and thirty-seven million，one hundred and sixty-six thousand，two hundred and thirty-four基数词用法(1)表示具体数目,hundred,thousand,million,dozen(一打，十二个)，score（二十）不用复数。表示不确定数目,

6、用复数。即hundreds of(数百),thousands of(数千),millions of(数百万)+名词复数,可以用many/several修饰，但不能与具体数目连用。1)Our country has a population of 1,300 million people.2)There are three thousand students in our school.3)After the war,thousands of people became homeless.4)Several/Many thousands of trees must be planted ever

7、y year.1.hundred thousand (表示具体数字表示具体数字)million billion2.hundreds thousands (表示概数表示概数)millions billions数词数词(several)+)+of数百不S,百S加of1.The government of China is building_cheap and good houses for the people.A.thousand B.thousands C.thousand of D.thousands of2.Nine _ pounds a week?Thats very good.A.hu

8、ndred of B.hundreds of C.hundreds D.hundred3.There are over nine _ workers in the factory,but _ of young people hope to work in it.A.hundred of;hundreds B.hundred;hundreds C.hundreds;hundredExercise注意：某数是某些特指人或东西中的一部分某数是某些特指人或东西中的一部分four thousand of the students(学生中的四千人学生中的四千人)four thousand students

9、(四千学生四千学生)thousands of students(数以千计的学生数以千计的学生)Our summer holiday is coming.Two _ the students in our school will go to the beach.A.hundred B.hundreds C.hundred of D.hundreds of“几十”的复数形式可以表示为：几十多岁-“in+ones+整十的数词复数”eg.My parents are in their forties.年 代 -1)“in+the+整十的数词复数”eg.It was in the 1960s/in th

10、e 1960s (在在1960年代年代)2)“in 1988”（在（在1988年）年）=in the year of 1988 twentiesthirtiesfortiesfiftiessixtiesseventies eightiesnineties基数词用法(2)某年无冠十年冠，十年s放后面“基数词+名词”的合成形容词作定语 中间有连字符“”,当中的名词用单数。（数杠名单）eg.a 3 year old girl a seven-day holiday 表计量-“基数词+度量单位+形容词”eg.The classroom is 7 meters long,6 meters wide an

11、d 3 meters high.基数词用法(3)1.The city changed a lot _.A.in 1980s B.in the 1980s C.in the 19802.He got the prize _.A.in his fifties B.in fifties C.in his fifty3.He graduated in _ of _ century.A.the sixtieth;twenty B.sixty;the twentieth C.the sixties;the twentiethExercise4.The winner is _.He is an _ boy.

12、A.eight-year-old;eight years old B.eight years old;eight-year-old C.eight-years old;eight-year-old5.He came to China _.A.at the age of 20 B.when he is 20 C.at age of 20 Exercise3序数词基变序口诀：基变序，有规律一、二、三，特殊记；八去t,九除e,f要把ve替；基序eleven,twelve,thirteentwenty,thirty-one基序one,two,three,four,five,six,seven,eigh

13、t,nine,tenfirst,second,third,fourth,fifth,sixth,seventh,eighth,ninth，tentheleventh,twelfth,thirteenthtwentieth,thirty-firstty变成tie，若是遇到几十几，只变个位就可以。序数词的构成序数词前通常要加 定冠词 the序数词用法1.I have _(six)teachers.2.I am _(one)to come to school today.前有“的”，不加 the序数词前出现不定冠词序数词前出现不定冠词 a或或an时时,则表示则表示“再再”,“又又”。(=anothe

14、r)3.Will you come to my _party?A.eighteen B.the eighteenth C.eighteentha+序数词 不确定the+序数词 确定4.I dont like this desk,can you show me _one?-,Im sorry,the rest are for other people A.second B.the second C.a secondsixthe first one1.Two days isnt enough for me to finish the work.I need _ day.A.a third B.th

15、e third C.the other D.other2.In order to make it clear,I must go up to _ second floor and ask him _ second time.A.the;a B.the;theC.a;the D.a;aExercise more和another都有再；又之意。区别如下：“基数词more名词”。eg.The boy had two more apples/two apples more.句型可变为：“some/a few/a little/many/much等more名词”。如：Would you like som

16、e more tea?“another基数词名词”。eg.He wrote another two letters/two more letters to her.注意I have to write two more letters (=another two letters)today.He lived in Beijing for three more months (=another three months).He would like five more apples(=another five apples).We need one more chair(=another chai

17、r).比较1.The bus is full.We can hardly make _ for _ persons.A.a room,three more B.room,more three C.room,three more D.a room,another three2.Beijing is really an interesting city with a long history,so I want to stay here for _ ten days.A.another B.other C.more D.the othersExercise3.I am still hungry.C

18、ould I have two _ pieces of bread,please?A.much B.many C.more D.most4.-Would you like to have _ apples?-No,thank you.Ive had enough.A.other two B.another two C.more two D.two others Exercise在“数词+more+复数名词”结构中的more还可与some,any,a few,a little,many,much,several等词连用,而且名词也可是不可数名词。(1)Youd better stay here

19、for a few more days.(2)Well plant some more trees in our garden next year.(3)Would you like some more tea?(4)Would you like a little more rice?(5)Is there any more beer in the fridge?不要误认为不要误认为a few,some,many可以修饰比较级。可以修饰比较级。5.-How long will you stay here?-I think I will be here for _ more days.A.few

20、 B.a few C.little D.a little6.-Did Han Meimei pick a lot of apples?-Yes.She picked _ than any of us.A.many more B.much more C.the most D.the most of allExercise4数词的特殊用法1.钟点的表达整点：时刻+oclock几点过几分：几点差几分：如：three oclock 3:00方法1：顺读法 方法2：逆读法 nine past ten 方法1：顺读法 方法2：逆读法 six forty-fivefifteen to seven(注：分钟数

21、 30)-10:9-6:45ten nine (注：分钟数 30)【（60-分)to (时+1)】15分钟：分钟：a quarter 30分钟：分钟：a half 如：如：9:15 a quarter past nine 12:30 half past twelve注意What is the time?sixsix oclockfour o fivefive past fourseven fifteena quarter past sevennine twentytwenty past ninenine thirtyhalf past ninesix fortytwenty to seven

22、Its already 7:40 now.When will the film start?_.We still have five minutes.A.A quarter to seven B.Seven past forty-five C.A quarter to eightExercise2.年月日的表达Tips(1)英语表达顺序：月，日，年(2)年用基数词，日用序数词。例：2013年9月13号 September 13th,2013 月日年月日年 在在1998年年10月月1日日on Octorber the first,nineteen ninety-eight日日the+the+序数

23、词序数词月月（首字母大写）（首字母大写）月日与年之间用月日与年之间用 ，分开分开年年（两位两位读）（两位两位读）on August the ninthin May,two thousand and ten天日用 on 年月用inon Oct.1st,1998 月日月日 在在8月月9日日 月年月年 在在2010年年5月月first 1stsecond 2ndthird 3rdfourth 4thfifth 5thsixth 6thseventh 7theighth 8thninth 9thtenth 10theleventh 11thtwelfth 12ththirteenth 13thfour

24、teenth 14thfifteenth 15thsixteenth 16thseventeenth17theighteenth 18thnineteenth 19thtwentieth 20thtwenty-first (21st)twenty-second(22nd)twenty-third (23rd)twenty-fourth (24th)twenty-fifth (25th)twenty-sixth (26th)twenty-seventh(27th)twenty-eighth (28th)twenty-ninth (29th)Thirtieth (30th)thirty-first

25、(31st)缩写 6 月 219月204 月 910月 19 1月 31-Whats the date?-Its 8 月 2August 2ndJune 21stSeptember 20thApril 9thOctober 19thJanuary 31st1.The accident happened on_.A.April 5,2001 B.2001,April 5 C.April 2001,52.I was born _.A.in March 8,1993 B.on July 9,1994 C.on May,1995Exercise3.编号表示一般编码用 名词+基数词 Bus No 2=t

26、he No.2 busRoom 258Lesson 3=the third lessonPage 12=the twelfth page时态的学习：1.一般现在时 2.一般过去式一般编码用 名词+基数词三年级一班第五部分第一中学Class One Grade ThreePart five=the fifth part No.1 Middle School其他1.Now，everybody，please turn to Page_and look at the_picture.A.Fifth；five B.Five；fifth C.Fifth；fifth D.Five；five 2.My mot

27、her lives at on floor.A.Room Six;the second B.Six Room;second C.Room six;two D.the room six;the secondExercise1 15 5分分子子 基基数词数词分分母母 序序数词数词one fifth2 27 7分子分子 1 1分母分母 +s+stwo seventhtwo sevenths s1 14 4分子分子 a a分母分母 quarterquartera quartera quarter3 34 4three quarterthree quarters s1 12 2a halfa half1

28、 13 3three and one third3 3基数词基数词 +and+and+分数分数4.分数较复杂的分数的读法为“基数词分子over基数词分母”。2727283283twenty-seven over two hundred and eighty-thirdsExercise注意2 23 31 18 83 35 5two thirdsone eighththree fifths4 45 56 61 12 25 5five and a halfsix and four fifths1._ of the students _ boys in Class A.Two three;are B

29、.Two thirds;are C.Two thirds;is2._ of her money _ spent on clothes.A.Two three;are B.Two thirds;is C.Two third;is3._ the teachers in our school is about one hundred,and _ of them are women teachers.A.The number of;two thirds B.The number of;two third C.A number of;two thirdsExercise4.Nowadays _of bu

30、siness letters are written in English.A.two third B.two thirds C.two three D.second three5.Nearly _of the earth _covered by sea.Athree fourth;is Bthree fourths;is Cthree fourth;are Dthree fourths;are6.The number of the students in our school is about nine _._ of them are boys.Ahundred;Two thirds Bhu

31、ndred;Two third Chundreds;Two thirds Dhundreds;Two thirdExercise先读基数词，再读百分号“%”(读作percent)。5%读作：five percent 0.5%读作：zero point five percent 80%读作：eighty percent 200%读作：two hundred percent5.百分数 half/(百)分数+of+可数名词复数，谓语动词用复数 eg.80%of apples are bad.half/(百)分数+of+不可数名词，谓语动词用单数 eg.80%of bread is bad.另：hal

32、f/(百)分数+of+population谓语动词用复数 eg.80%of population are men in that country.用法小数的读法：小数点前的基数词与前面所讲的基数词读法完全相同，小数点读作“point”，小数点后只需将数字一一读出。15.67读作fifteen point_six_seven0.009读作zero point zero zero nine 6.小数年代的读法为两位、两位地读。整百的后读hundred，整千的后读thousand，前常加“the year”。1937年 读作nineteen thirtyseven或nineteen hundred

33、and thirtyseven 1900年 读作nineteen hundred 1905年 读作nineteen and(或o)five 或：nineteen hundred and five 2000年 读作the year two thousand7.年代表示公元后在年份前或后加AD皆可，公元前一律在年份后加BC表几十年代时，前加 the两倍：三倍：一倍：once大于等于三倍的英文表达：one two three twicethree times 数字+times8.倍数的表达 This box is five times as big as that one.=This box is

34、four times bigger than that one.A+be+倍数倍数+as+adj(原形原形)+as+B.A是是B的的 倍倍 adj A+be+倍数倍数+adj(比较级比较级)+than+B.A比比B adj 倍倍1.This building is _ that building.A.three time as tall as B.twice taller than C.three times as taller as2.What a table!Ive never seen such a thing before.It is it is long.A.half not as

35、wide as B.wide not as half as C.not half as wide as D.as wide as not halfExercise9.”半”的表达一个半小时一个半小时两个半小时两个半小时 two and a half hours=two hours and a halfone and a half hours=one hour and a half1.The boy always stays there for _.A.three and half hour B.three hour and a half C.three and a half hours2.Th

36、e old man drank_ beer.A.two bottles and a half B.two and a half bottle C.two bottle and a half 请在下列数学等式中加入符号 、X、使之成立。1 plus 1 equals 2.(1 1=2)5 minus 2 is 3.(5 2=3)5 multiplied by 4 equals 20.(5 4=20)16 divided by 4 is 4.(16 4=4)10.加减乘除u6+511 Six plus five is eleven 或 Six and five is eleven.u11-65 E

37、leven minus six is five 或 Six from eleven is five.u4520 Four multiplied by five is twenty 或 Four times five is twenty.u2045 Twenty divided by four is five 或 Four into twenty goes five.表示“大约、接近”，常用nearly,about,some,almost,around 等。about 700 people some fifty years ago 表示“左右”用or so In the past five years or so “少于”用less than Less than 30 years old 不到30岁“多于”用 more than,over More than a year ago over 70 years ago11.约数表示电话号码的读法为顺次读出一个个数字，“0”读作“o”或“zero”。数字连续重现时可用“double(双)”。62884405读作：six two eight eight four four o(或zero)five 或：six two double eight double four o(或zero)five。12.电话号码读法Thank you