Unit4Whenistheartshow?PartALet’slearnMybirthdayisinMayin+年、季節、月on+天（星期，日期）NewYear’sDayJan.WintervacationJan./Feb.TreePlantingDayMar.A:Whenis_______?B:It’sin_____.EasterPartyApr.MayDayMayChildren’sDayJuneA:Whenis_______?B:It’sin_____.summervacationJul./Aug.Teacher’sDaySept.Mid-AutumnDaySept.NationalDayOct.ThanksgivingDayNov.ChristmasDayDec.PartA—Let’slearnWhenisthesportsmeet?It'sonApril5th.TherearesomespecialdaysinApril.mathstestChinesetestEnglishtestsportsmeetApril1stApril2ndApril3rdApril4thApril5thswimmingcontestWhenistheswimmingcontest?It'sonApril1st.讀法：April

the

firstmathstestWhenisthemathetest?It'sonApril2nd.讀法：AprilthesecondChinesetestWhenistheChinesetest?It'sonApril3rd.讀法：AprilthethirdEnglishtestWhenistheEnglishtest?It'sonApril4th.讀法：AprilthefourthsportsmeetWhenisthesportsmeet?It'sonApril5th.讀法：Aprilthefifth4月1日

April

1st

(

April

the

first

)4月2日

April

2nd

(

April

the

second)4月3日

April

3rd

(

April

the

third)4月4日

April

4th

(

April

the

fourth

)4月5日

April

5th

(

April

the

fifth

)日期表達法表示數目多少或順序多少的詞叫數詞，數詞分為基數詞和序數詞。表示數目多少的數詞叫基數詞；表示順序的數詞叫序數詞。Let’scount!基數詞1-10onetwothreefourfivesixseveneightnineten11-19eleven

twelvethirteenfourteenfifteensixteenseventeeneighteennineteen1020304050607080100tenthirtyfortyseventysixtyOnehundredfiftyninetytwentyeighty90onetwothreefourfivesixseveneightninetenHowmanypeoplearethereinthisline?TenI'mtheeighth.firstsecondthirdfourthfifthsixthseventhninthtenth基變序，有規律，詞尾加上-th。一，二，三，特殊記，詞尾字母t，d，d。八去t，九少e，ve要用f替。整十變法也容易，就把ty變成tie.若是碰到幾十幾，只變個位就可以。基數詞變序數詞規則thefirstfloorthesecondfloorthethirdfloorthefourthfloorthefifthfloorLet'sanswer: