Unit 8 Who is the first? 课件

课件30张PPT。Unit8 Who is the first?have/has got to do sth 不得不做某事must 必须，一定 mustn't 禁止我不得不去写家庭作业了。
I have got to do my homework.
她不得不去洗澡了。
She has got to take a bath.
我们不得不打扫教室了。
We have got to clean our classroom.
Sam你一定要认真听讲。
You must listen carefully,Sam .
1.Mike,you ___play with fire,you may burn yourself.
A.can't B.mustn't C.hasn't got to
2.You ___see the doctor,Joe.You don't look very well.
A.must B.have to C.can
3.-Must I clean the window?-No,you ____.
A.can't B.mustn't C.don't have to
4.Jack is ill,so they ___change their plans.
A.can B.must C.have got to作业订正1.How many TV are there in your apartment ?
2.There are one TV in my apartment.
3.How many computer in your classroom?
4.There is a computer in the classroom.TVSiScomputers订正作业How many +名词复数+are there+地点？
There are+数量+名词复数+地点。(有多个）
There is one /a+名词单数+地点.（有 1个）
There is no +名词单数+地点。（没有）How manyfloors are there?buildingHow many windows are there? 序数词Which floor do you study on?
I study on the first floor.二、单元学习1．Listen and circle.2．Look and say. Who is the first, the second and the third?firstsecondthirdTomPeterSamWho is the first？Liu Xiang is the first.3．Let’s sing and point.This is the first.
This is the second.
This is the third.
This is the fourth.
This is the fifth.
This is the sixth.
This is the seventh.
This is the eighth.
This is the ninth.
This is the tenth.Part 4 Read and practise
Now please listen very carefully. Please stand in two lines. Boys stand in a line and girls stand in a line. Do you understand ? Be quick . Now please look here , this is the first , this is the second and this is the third .I live on the
third floorWhich floor do you
live on？4．Read and practise. New words :first
second
third
fourth
fifth
sixth
seventh
eighth
ninth
tenth
eleventh
twelfth
thirteenth
fourteenth
fifteenth
sixteenth
seventeenth
eighteenth
nineteenth
twentieth表示次序的数词叫序数词，是由基数词变化而来的。基数词序数词 one first 1st

two second 2nd
three third 3rd
其余的序数词是由基数词后加-th 变化而来。缩写几个特殊变化的序数词 基数词 序数词 缩写
five fifth 5th
twelve twelfth 12th
eight eighth 8th
nine ninth 9th整十的序数词把 y 变成 i加-eth
基数词 序数词 缩写
twenty twentieth 20th
thirty thirtieth 30th
forty fortieth 40th
fifty fiftieth 50th
你能写出 sixty seventy eighty ninety 的序数词吗？基数变序数口诀：
一、二、三特殊记， （first ，second ，third 没有词尾字母t,d,d）八去 t ， (eight-eighth)九去 e ， (nine-ninth)ty 变成tie ， (即以ty结尾的整十数把ty变成tie
f 来把 ve替 ， (five-fifth, twelve-twelfth)：twenty-twentieth,thirty-thirtieth....)若是遇到几十几，几百几十几，只变个位就可以，然后再加 th 。注意：序数词前必须加定冠词 the
The first
The fifth
The tenthWho is the first ?Amy is the first .
Amy is first.
Amy is a first.
(T) (F) (F)5．Read, choose and retell. 答案：
1) on　　　　2) using　　　 3) be helped
4) were　　　5) fell　　　　 6) chose6．Look, read and answer. 答案：first, children, happy, girl, school, happy, first, greet.7．Look and say. Who is the first to spot the differences?8．Pairwork. Ask and answer in pairs. 1) Who is the first person to get up in your family?
2) Who is the first person to go to bed in the evening?
3) Who is the first person to watch TV in your family?
4) Who is the first person to read a newspaper at home?
5) Who is the first person to leave the house?
6) Who is the first person to come home?
7) Who was the first person to know something about a computer?
8) Who was the first person to learn to sing an English song at home?9．Look and make. Make a singing balloon!1) Get a big balloon.
2) Find a small coin.
3) Put the coin inside the balloon, and blow it up.
4) Tie it up, and move it in circles.
5) Move it slowly and listen. What’s the sound?
6) Move it quickly and listen. What’s that sound?
三、单元小结1．Words.
first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth, eleventh, twelfth, thirteenth, fourteenth, fifteenth, sixteenth, 2. Sentences.(1)Who is the first?
(2)Who is the second and the third?
(3)This is the first.
(4)Which floor do you live on?
(5)I live on the ninth floor.
(6)What are the differences?
(7) Who is the first person to get up in your family?Homework 听：part1 读：part6 (一、三、五每天一遍)
写：
造句： Which floor does xxx live on?
He/She lives on…(4组）
背默：1-100的序数词变化
画：一张自己家住的楼房，并标上楼层