1、语法专题语法专题语法专题补充数 词22022-10-261.基数词及其写法2.基数词的句法功能3.序数词及其写法4.序数词的句法功能5.考点解析学习步骤32022-10-26一、时刻表示法二、日期表示法三、算式表示法四、分数&小数表示法六、数量表示法考点解析42022-10-26基数词序数词数词的分类52022-10-261.Hundred 1.Hundred 的用法的用法三百名英雄数以百计的英雄所有英雄中的三百名three hundred heroeshundreds of heroesThree hundred of the students前有数前无数前有数 且特指小贴士:小贴士:前有数
2、,前有数,hundred hundred 无添加无添加 前无数,前无数,hundred“s”hundred“s”跟跟“ofof”前有数且特指,前有数且特指,hundred“of”hundred“of”又加又加“thethe”hundred,thousand,million,hundred,thousand,million,一家亲一家亲62022-10-26several hundred peoplefew hundred of the victimsover three hundred soldiersa few hundred teachersabout three hundred monk
3、eysmany hundred children除了数字,除了数字,还有要注意还有要注意1.Hundred 1.Hundred 的用法的用法72022-10-26孔子云:孔子云:“二十弱冠,三十而立,四十为惑.五十而知天命,六十花甲,七十古来稀,八十耄耋;”82022-10-26在某人二十多岁时in ones twenties基数几十变复数 去y 后加ies2.2.人生曾几何时人生曾几何时 说法各一说法各一在某人三十多岁时在某人四十多岁时在某人五十多岁时在某人六十多岁时在某人七十多岁时in ones thirtiesin ones fortiesin ones fiftiesin ones s
4、ixtiesin ones seventiestwenty twenties thirty thirties forty forties fifty fiftiessixty sixties seventy seventiesEighty eighties ninety -nineties92022-10-26基数词也有“复数”?It was in the 1980sHe became famous in his twenties.表示“人的不确切岁数或年代”用几十的复数形式。102022-10-26基数词单数名词基数词单数名词(形容词形容词)构成合成形容词。构成合成形容词。特别注意的基数词1
5、12022-10-264、句型特别注意的基数词She is about 50 centimeters tall.Princess Peachover She is aboutnearlyovermore than50centimeterstall.Kilometer(s)meter(s)Kilometer(s)longhighaway122022-10-26Its six thirtyIts six thirtyIts half past six.Its half past six.直接直接间接间接委婉地说时间委婉地说时间3030分钟分钟 :(:(60-60-分钟)分钟)to to(钟点(钟点
6、+1+1)=30=1,1,母变复母变复192022-10-260.82 45%地球表面积的地球表面积的3/497%的水的水我们班的一半学生我们班的一半学生四分之一面包四分之一面包zero point eight twoninety-seven percent of the waterforty-five percentthree-fourths of the earths surfacehalf of our class studentsa quarter of the bread202022-10-26This box is five times as big as that one.Thi
7、s box is four times bigger than that one.This box is five times the size of that one.一倍用一倍用once,两倍用两倍用twice,两倍以上用基数词两倍以上用基数词times:5倍倍five times5.倍数的表示法212022-10-26重要词组练习重要词组练习在第在第8 8层楼层楼在第在第5 5大街大街获获3 3等奖等奖在在2020世纪世纪一个一个8 8岁的男孩岁的男孩一个一个3 3天的旅行天的旅行第第9 9课课十分钟的开车路程十分钟的开车路程Lesson Nine=the ninth lesson in
8、 Fifth StreetWin the third prizein the twentieth centuryan 8-year-old boya 3-day tripon the eighth floor ten minutes drive=a ten-minute drive222022-10-26 重要词组练习重要词组练习乘一部乘一部101101路车路车20112011年日本大地震年日本大地震在第八频道在第八频道在在402402房间房间第第1212页页在在2020世纪世纪8080年代早期年代早期他的第他的第5 5个生日个生日一个半小时(一个半小时(2 2)take a No.101 busthe 2011 Japan Earthquakeon Channel eight/8in Room402one and a half hoursone hour and a halfin the early 1980spage twelve=the twelfth pagehis fifth birthday232022-10-26242022-10-26