高考必考语法改错之数词十大经典错误-课件.ppt

1、数词数词错中学错中学 易掌握易掌握印象深印象深 永不忘永不忘3、数词数词 基数词基数词序数词序数词 请写出下列词的序数词：nine;twelve;twentyninth;twelfth;twentiethninth;twelfth;twentieth数词数词 基数词基数词序数词序数词 最基本的基数词1.one2.two3.three4.four5.five6six7.seven8.eight9.nine10.ten11.eleven12.twelve13.thirteen14.fourteen15.fifteen16.sixteen17.seventeen18.eighteen19ninete

2、en20.twenty30.thirty40.forty50.fifty60.sixty70.seventy80.eighty90.ninety100a hundred1,000a thousand1,000,000a million1,000,000,000a billion(美)a thousand million(英)数词考点数词考点对数词的考查主要包括以下几个方面：对数词的考查主要包括以下几个方面：1 1掌握年、月、日、时刻的表达方法。掌握年、月、日、时刻的表达方法。2 2掌握基数词、序数词的构成及其用法。掌握基数词、序数词的构成及其用法。3 3分数的表达及主谓一致。分数的表达及主谓一

3、致。4 4考查考查hundredhundred，thousandthousand，millionmillion，billionbillion等词的用法。等词的用法。1.1.The office is on the nineth floor.数词十大典型错误例析数词十大典型错误例析ninth 注意！巧记基数词变序数词：巧记基数词变序数词：基变序，很容易，结尾加上基变序，很容易，结尾加上“th”。一二三特殊记，结尾各是。一二三特殊记，结尾各是t、d、d。八减。八减t，九，九去去e，f来把来把ve替，替，y改为改为“ie”，结尾仍有，结尾仍有“th”。若是。若是遇到几十几，只变个位就可以。遇到几十几

4、，只变个位就可以。【改错【改错】_巧记基数词变序数词巧记基数词变序数词1).I once won the two prize in the English competition/contest._secondsecond2).May is the fiveth month of the year.fifthfifth_3).He bought a two-hand car at a low price yesterday._second-handsecond-hand4).He is the four tallest in our class.fourthfourth_2.He is a s

5、tudent of the Class One.2.He is a student of the Class One.数词十大典型错误例析数词十大典型错误例析 注意！“the+“the+序数词序数词 +名词名词”或或“名词名词 +基数词基数词”。如：如：the First World Warthe First World War或或World War World War One One 第一次世界大战第一次世界大战【改错【改错】基数词和序数词序号表示法基数词和序数词序号表示法3.Hundred of the trees were destroyed.3.Hundred of the trees

6、 were destroyed.数词十大典型错误例析数词十大典型错误例析 注意！巧用巧用hundredhundred等：等：hundredhundred，thousandthousand和和millionmillion，有时含糊有时清。，有时含糊有时清。清时无清时无s s和和ofof，糊时，糊时s s和和ofof跟。跟。【改错【改错】_Hundreds 1).Three score people were sent there to help fight against the flood.of4.The old fisherman cast the net the 4.The old fis

7、herman cast the net the third time,but still caught no fish.third time,but still caught no fish.数词十大典型错误例析数词十大典型错误例析a 注意！the+序数词：第几序数词：第几 a/an+序数词：再一，又一序数词：再一，又一【改错【改错】_序数词前的冠词序数词前的冠词1).His room is on a third floor.the_2).Why not try it the second time?a_3).Its necessary for us to learn the second f

8、oreign language besides English.a_4).I wonder if I can ask him fourth time.a5).Please pass me third book on the left.the5.Mrs5.Mrs Green is already in the fifties,but Green is already in the fifties,but she still studies law at a college.she still studies law at a college.数词十大典型错误例析数词十大典型错误例析her 注意！

9、表示表示“某人几十几岁某人几十几岁”时，用时，用in ones整十的复数整十的复数如如:in ones fifties，这时不能用，这时不能用the 代替代替ones。in onesteens 在某人十几岁的时候在某人十几岁的时候 in ones twenties在某人二十几岁的时候在某人二十几岁的时候 in ones early twenties在某人二十刚出头的时候在某人二十刚出头的时候 in ones late twenties在某人快三十岁的时候在某人快三十岁的时候【改错【改错】_表示表示“某人几十几岁某人几十几岁”6.In 1970s,Coca-Cola began to enter

10、 6.In 1970s,Coca-Cola began to enter Chinas market.Chinas market.数词十大典型错误例析数词十大典型错误例析the 注意！表示表示“在几十年代在几十年代”用用in+the+逢十的数逢十的数词复数。词复数。in the 1990s=in the 1990s表表示示“在在20世纪世纪90年代年代”。【改错【改错】表示表示“在几十年代在几十年代”71.About three-fifth of the earth is water.数词十大典型错误例析数词十大典型错误例析three-fifths 注意！巧记分数：巧记分数：分子基数词，分母序

11、数词，分子大于分子基数词，分母序数词，分子大于“1”1”，分母加，分母加“-s”-s”。带分数莫着急，前加整数。带分数莫着急，前加整数就可以。分母若是就可以。分母若是“2”2”和和“4”4”，halfhalf、quarterquarter可代替。可代替。【改错【改错】_分数表示法分数表示法72.In Asia nine tigers of ten were hunted and killed during the fifty years.数词十大典型错误例析数词十大典型错误例析in 注意！分数的表达方法：分数的表达方法：（1）分子用基数词，分母用序数词，分子大于）分子用基数词，分母用序数词，分

12、子大于1时，分母用复数。如：时，分母用复数。如：one-third三分之一，三分之一，three-sevenths七分之三。七分之三。表示表示1/2一般用一般用a half或或one half 表示表示1/4可用可用one fourth或或a/one quarter（2）分子与分母之间加）分子与分母之间加in,分子在前，分母在后，分子分母都用基数词。如：分子在前，分母在后，分子分母都用基数词。如：one in ten 十十分之一，分之一，five in eight八分之五。八分之五。（3）分子与分母之间加）分子与分母之间加out of,分子在前，分母在后，分子分母都用基数词。如：分子在前，分母

13、在后，分子分母都用基数词。如：one out of ten十分之一，十分之一，five out of eight八分之五。八分之五。【改错【改错】_分数表示法分数表示法out8.Seventy percents of the surface of the 8.Seventy percents of the surface of the earth is covered with water.earth is covered with water.数词十大典型错误例析数词十大典型错误例析percent 注意！表示百分数直接将数词放在单词表示百分数直接将数词放在单词percent前面即可，如：前面

14、即可，如：twenty percent百分之百分之二十。二十。【改错【改错】_百分数的表达法百分数的表达法9 91 1.Its a half past seven now.Its a half past seven now.数词十大典型错误例析数词十大典型错误例析 注意！【改错【改错】1).The train from Shanghai will arrive at quarter past six.a2).It took me two hours and half to get there.a3).It took me half dozen days to finish drawing a

15、beautiful horse.a9 93 3.Hewillcomehereon two tomorrow.Hewillcomehereon two tomorrowmorning.morning.数词十大典型错误例析数词十大典型错误例析 注意！【改错【改错】at_10.A evening on Apr 4th,he heard a 10.A evening on Apr 4th,he heard a strange noise from the room upstairs.strange noise from the room upstairs.数词十大典型错误例析数词十大典型错误例析One

16、 注意！表示表示“在几十年代在几十年代”用用in+the+逢十的数逢十的数词复数。词复数。in the 1990s=in the 1990s表表示示“在在20世纪世纪90年代年代”。【改错【改错】_a&one的区别的区别1).I hear that he will be back in one day 1).I hear that he will be back in one day or two.or two.a_11.Mr.Jenson visits China almost two a 11.Mr.Jenson visits China almost two a year.year.数词十大典型错误例析数词十大典型错误例析 注意！【改错【改错】twice_