序數(shù)詞教學講解課件

序數(shù)詞的變化及用法雞東三中趙媛媛序數(shù)詞的變化及用法雞東三中1基數(shù)詞的復習1、三只鋼筆2、六個蘋果3、12個籃球4、32個西紅柿基數(shù)詞：描述事物數(shù)量的多少的數(shù)詞。

threepenssixapplestwelvebasketballsthirty-twotomatoes基數(shù)詞的復習1、三只鋼筆基數(shù)詞：描述事物數(shù)量的多少的數(shù)詞。2Numbers基數(shù)詞OneTwoThreeFourFiveSixSevenEightNineTenElevenTwelveThirteenFourteenFifteenSixteenSeventeenEighteenNineteen

TwentyTwenty-oneTwenty-twoThirtyFortyFiftySixtySeventyEightyNinety

AhundredNumbers基數(shù)詞OneElevenTwenty-on3認識序數(shù)詞數(shù)詞序順序表示事物的順序的數(shù)詞。（由基數(shù)詞變?yōu)樾驍?shù)詞）認識序數(shù)詞數(shù)詞序順序表示事物的順序的數(shù)詞。4Learnthesenumbersandfindouttherules:一起找規(guī)律1st

first2nd

second3rd

third4thfourth5th

6th7th8theighth9thninth10th

fifthsixthseventhtenth11theleventh

12thtwelfth13th

14th

15th

16th17th18th

19th

20thtwentieththirteenthfourteenthfifteenthsixteenthseventeentheighteenthnineteenth21st

twenty-first22nd

twenty-second23rdtwenty-third24th

25th

26th27th28th

29th

30ththirtieth31st

thirty-firsttwenty-fourthtwenty-fifthtwenty-sixthtwenty-seventhtwenty-eighthtwenty-ninthLearnthesenumbersandfindo5基變序（巧學妙記）基變序有規(guī)律，結(jié)尾加上th1、一、二、三特殊記，結(jié)尾就是t/d/d第一first（one)第二second(two)第三third(three)基變序（巧學妙記）基變序有規(guī)律，結(jié)尾加上th1、一、二、三特62、八去“t”,九去“e”,“ve”要用“f”替后加”th”別忘記第十二

twelfth

（twelve)

第八eighth

(eight)第九ninth（nine)第五fifth(five)

2、八去“t”,九去“e”,“ve”要用“f”替第十二73、整十把“y”變”ie”,后加th莫遲疑twenty---twentieththirty---thirtiethforty---fortiethfifty---fiftiethsixty---sixtieth3、整十把“y”變”ie”,后加th莫遲疑twenty---84、若要遇到幾十幾，只變個位就可以twenty-one---twenty-firstfifty-five

---fifty-fiftheighty-two---eighty-secondninety-three---ninety-third5、序數(shù)詞表順序，前有定冠詞莫忘記4、若要遇到幾十幾，只變個位就可以twenty-one--91.The

monthofayearisApril(四月）A.thirdB.fourthC.fifth2.Thegirlis

.Todayisher

birthday.A.twelfth;twelfthB.twelve;twelfthC.twelfth;twelve3.Ihave

apples,

isgreen.A.six;fourthB.sixth;fourC.six;thefourth1.Themonthofaye10基變序有規(guī)律，結(jié)尾加上th1、一、二、三特殊記，結(jié)尾就是t/d/d2、八去“t”,九去“e”,“ve”要用“f”替后加”th”別忘記