中考英语复习-第二篇-语法突破篇-语法专题四数词.pptx

PART TWO,第二篇,语法突破篇,语法专题（四）,数词,第1页,1.,基数词组成,(1)0,12,单独记。如,:zero,one,two,three,。,(2)13,19,是在个位数后加,-teen,。如,:fourteen,seventeen,但,13,thirteen,15,fifteen,18,eighteen,需要特殊记。,(3)20,以上整十基数词均以,-ty,结尾。如,:20,twenty,30,thirty,40,forty,50,fifty,80,eighty,。,(4),“几十几”要加连字符号“,-,”。如,:48,forty-eight,97,ninety-seven,。,考点一数词组成,【中考考点】,(1),数词组成。,(2),数词表示方式及使用方法。,第2页,(5),“几百几十”或者“几百几十几”在“百”后加,and,。如,:156,one hundred and fifty-six,509,five hundred and nine,。,(6),四位数或者四位数以上基数词组成,:,从右往左每三位加一个逗号,第一个逗号读作,thousand(,千,),第二个逗号读作,million(,百万,),第三个逗号读作,billion(,十亿,),hundred,后莫忘“,and,”。如,:3,610,three thousand,six hundred and ten;94,295,ninety-four thousand,two hundred and ninety-five;274,350,two hundred and seventy-four thousand,three hundred and fifty,。,第3页,2.,序数词组成,(1),“第一”、“第二”、“第三”分别是,first,second,third,。,(2),“第四”到“第十九”除,fifth,eighth,ninth,twelfth,外,其余都在对应基数词后面加“,-th,”组成。如fourth,。,(3)20,以上整十序数词由对应基数词变,y,为,i,再加“,-eth,”。如,:thirty,thirtieth;fifty,fiftieth,。,(4),第一百,hundredth;,第一千,thousandth;,第一百万,millionth,。,(5)20,以上非整十基数词变序数词时,只改变个位数。如,:twenty-one,twenty-first;one hundred and one,one hundred and first,。,第4页,【巧学妙记】,基变序,有规律,一、二、三特殊记,(first,second,third),八加,h,九去,e,ve,要用f,替,整十变,y,为,ie,末尾,-th,莫忘记,若想表示第几十几,只变个位就能够。,第5页,考点二数词表示方式,March 12(th),年,3,月,12,日,one third,三分之一,two thirds,三分之二,five(o,clock)5,点钟,five past seven 7,点,5,分,twenty to eight 7,点,40,分,page 62/the sixty-second page,第,62,页,in the 1970s,在,20,世纪,70,年代,in his forties,在他四十多岁时,第6页,考点三数词特殊使用方法,1.hundred,thousand,million,billion,前有基数词修饰时,表示确数,其后不加,-s,也不与,of,连用,;,但若用于表示“数百、数千、数百万、数十亿”这么概数时,后面则加,-s,并与,of,连用。,There are two hundred people in the meeting.,会上有,200,人。,Thousands of people go to the beach every year.,每年成千上万人到海滨去。,Millions of people in the world are sending and receiving e-mails every day.,天天,世界上有数百万人在收发邮件。,第7页,2.,序数词前加不定冠词,表示“再一,又一”。,I,ll have to do it a second time.,我得再做一次。,(,已经做过一次,),3.,其它主要表示方式,:,(1)half an hour,半个小时,(2)one and a half years=one year and a half,一年半,(3)in one,s thirties,在某人三十多岁时,(,区分,:in the thirties,在,30,年代,),(4)two more hours=another two hours,再多两个小时,第8页,考点过关训练,.,用括号中所给单词适当形式填空,1.My,(one)name is Linda.What about yours?,2.December is the,(twelve)month of a year.,3.On my sister,s,(nine)birthday,I gave her a useful book.,4.,(hundred)of people come here to read books on weekends.,5.Three,(four)of the students in our class like basketball.,6.Our team won the,(two)prize in the competition.,7.Linlin is,(five)years old;today is her,(five)birthday.,8.In the,(eight)picture,you can see many young trees.,9.My grandparents live in an old apartment with,(four)floors and they are on the,(three)floor.,10.The lady became very famous in her,(forty).,first,twelfth,ninth,Hundredsfourths,second,five,fifth,eighth,four,third,forties,第9页,考点过关训练,.,依据句意及汉语提醒完成句子,11.Amy will be an elder sister.Her parents are going to have the,(,第二,)child.,12.,(,五分之二,)of the land in that town is covered with trees and grass.,13.Children usually attend primary school at the age of,(,六,)in China.,14.,I hear you,ve got a,“,library,”,at home.,Yes.I,ve already had,(,数以百计,)books.,15.Today is Mary,s,(,二十一岁,)birthday.,second,Two fifths,six,hundreds of,twenty-first,第10页,