+序数词精讲课件 外研版（2024）七年级英语上册.pptxVIP

序数词的构成

和用法;eg.I’msevenyearsold.;变化规律;;one一

two二

three三;five五

twelve十二

eight八

nine九;twenty二十

thirty三十

forty四十

fifty五十;twenty-one二十一

thirty-six三十六

forty-four四十四

fifty-nine五十九;口诀巧记;

;序数词的用法;1.序数词前通常要加the，表示“第几”；;闯关时间;1.Septemberisofayear.

A.theninthmonthsB.theninthmonth

C.theninemonthsD.theninemonths

2.LindaismyfriendinthenewclassandIhavefriendsherenow.

A.thefifth,fiveB.fifth,five

C.five,thefifthD.fifth,thefive

3.ThismorningwehaveclassesandtheclassisEnglish.

A.four,first B.fourth,firstC.fourth,oneD.four,one;1.Todayishis(fourteen)birthday.

2.Helivedonthe(one)street.

3.Thereare(eighteenth)mangoesinthebasket.;口诀巧记;Thankyou