基数词与序数词.doc

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1、基数词与序数词基数词序数词基数词序数词基数词序数词onefirsteleveneleventhtwenty-onetwenty-firsttwosecondtwelvetwelfthtwenty-threetwenty-thirdthreethirdthirteenthirteenththirtythirtiethfourfourthfourteenfourteenthfortyfortiethfivefifthfifteenfifteenthfiftyfiftiethsixsixthsixteensixteen

2、thsixtysixtiethsevenseventhseventeenseventeenthseventyseventietheighteightheighteeneighteentheightyeightiethnineninthnineteennineteenthninetyninetiethtententhtwentytwentiethhundredhundredth基数词变序数词口诀：一、二、三，单独记；八去t，九除e，ve要用f替，整十基数变序数，先把ty变成tie；要是遇到两位数，十位基数个位序，t

3、h最后加上去。（注意：序数词前面一般要加the）巩固练习：①写出下列词的序数词形式。1.one______ 2.two_______ 3.six_______ 4.five_______ 5.nine_______6.twelve__________7.eight_________8.twenty-one__________      ②写出下列单词的基数词形式。1.third________2.fourth_______ 3.tenth______4.twentieth_________5.nineteenth

4、__________ 6.thirty-first__________③根据句子意思填空。1.Children’sDay（儿童节）isonthe_______ofJune（六月）.2.Thereare________ months（月）inayear(年).3.Teacher’sDay(教师节)isonthe________ ofSeptember（九月）.4.Threeplus(加)sixis_______.④选择填空。(  )1.Mycousin’sbirthdayinonthe______ofOctober

5、.       A.three   B.first    C.thesecond(  )2.Whatdateisittoday?It’s ______ ofApril.        A. twelfth   B.the12th  C.12th(  )3.Thereare________daysinaweek.      A.theseven　B.seventh　C.theseventh　D.seven(  )4.Sundayisthe________ dayofaweek.     A.one      B.f

6、irst      C.second(  )5.Twenty-eightminus(减)sixis_______.    A.thetwenty-second  B.twenty-two C.twenty-second(  )6.Fourplus(加)________ istwelve.         A.seven   B.eight     C.nine情态动词和be动词常用情态动词有：must必须can(could)可以may(might)能will(would)将要shall想要need需要haveto

7、不得不一、can,could(1)表示能力Canyouliftthisheavybox?你可以搬动这重箱子？Marycanspeakthreelanguages.玛丽会说三种语言。Canyouskate?你会滑冰吗？此时可用beableto代替，can只有一般现在时和一般过去式；而beableto则有更多的时态.I’llnotbeabletocomethisafternoon.当表示“经过努力才得以做成功某事”时应用beableto,不能用Can.如：Hewasabletogotothepartyyesterda

8、yeveninginspiteoftheheavyrain.昨天晚上他冒着大雨，经过努力才到达宴会。(2)表示请求和允许.---CanIgonow?---Yes,youcan./No,youcan’t.此时可与may互换.在疑问句中还可用could,might代替,不是过去式,只是语气更委婉,不能用于肯定句和答语中.----CouldIcometoseeyoutomorr