同步练习
一、写出下列各词的比较级形式。? 1. old ______????? young ______????? short _____??? small ______???? 2. big _____??????? thin _______?????? hot ______ 3. heavy _____????? funny ______??????21世纪教育网版权所有
二、读句子，选图片
A. B. C. D.
（ ）1.The Englishman is very strong.
（ ）2.This egg is bigger than that one.
（ ）3.The girl is shorter than the boy.
（ ）4. The panda is heavier than the duck.
三、仿照例子写句子。 例：I’m tall. Your brother is short.→? I’m taller than your brother. 1.?I’m? 151 cm tall.? He is 154cm tall. ____________________________ 2.?Chen? Jie is 30kg. Amy is 31kg.? ____________________________ 3.?Miss White’s hair is short. Sarah's hair is long.____________________________ 4.?My hands are small. Your hands are big.__________________________________
PEP Book8 Unit 1 How tall are you? Part(B) Let’s learn
教学目标与要求
1.掌握四会单词：thinner, heavier, bigger, smaller, stronger。
2.能认读句型：How heavy are you ? I’m 52 kilograms. You’re heavier than me.21cnjy.com
重点 掌握5个形容词比较级的构成。21世纪教育网版权所有
难点 新句型 How heavy are you ? I’m 52 kilograms. You’re heavier than me. .的理解和运用。2·1·c·n·j·y
教具 录音机、录音带、单词卡片、图片、动物玩具
教学环节 师生活动
Preparation
1. Let’s chant
Mike is taller than Lee. 21世纪教育网版权所有
Lee is taller than Sue.
Sue is taller than Amy.
How tall are you?
Amy is smaller than Sue.
Sue is smaller than Lee.
Lee is smaller than Mike. 21世纪教育网版权所有
Are you smaller than me?
2.复习旧知 提问两名同学： T:? What’s your name? How old are you ?? How tall are you 板书：??? 21世纪教育网版权所有
12??????? 13???????? 145cm????? 150 cm?????21世纪教育网版权所有 T:? Who is taller? Who is older? Who is stronger ? 引导 ：Zhang is older? than? Li.? Li? is younger? than Zhang .Zhang? is taller than Li.Li is shorter than Zhang .Zhang?? is stronger? than? Li.
（出示词卡） 指名学生把单词贴到黑板相应的位置 教学环节 师生活动
Presentation
1、导入新课：今天我们学习PartB. 21世纪教育网版权所有
板书：Unit 1?? How tall are you ? 2、Play game: 吹气球比赛? 请两名学生上台吹气球，教师发指令“Make it big”.这两名同学一边吹气球，其他同学随他们吹的节奏加油：Bigger ! Bigger！ Bigger ！看谁在指定的时间内吹得大，谁就获胜。板书：bigger。 T:? Can you make it smaller ? 21世纪教育网版权所有 ?学生然后拿着吹大的气球，慢慢地放出空气，其他同学喊“ Smaller ! Smaller ! Smaller ! ”板书：smaller. 3、操练单词bigger 和 smaller。 ?? （看大屏幕）(出示一大一小两个苹果)说句子：This apple is bigger than that one. That apple is smaller than this one . (看大屏幕)指名说：This orange is bigger than that one. That orange is smaller than this one . 21世纪教育网版权所有 4、师拿出卷尺，一边拉长一边说：Longer ! Longer! Longer! 慢慢放松卷尺，说：Shorter ! Shorter ! Shorter !板书：longer 和shorter? （看大屏幕）(出示两个女孩像)生观察，说：Lily’s hair is longer than Lucy’s.Lucy’s hair is shorter than Lily’s. （看大屏幕）指名说句子：This ruler is longer than that one.? That ruler is shorter than this one . 5、学习heavier和thinner?21世纪教育网版权所有 教师指名一学生到黑板前，和老师作比较，能用哪些词说出相貌特征？ （1）tall, short????? （2 ）fat, thin??? （ 3） old,young? （4 ） heavy? thin （ 板书） thinner??? heavier 仔细观察以上两词，看他们的书写有什么特征？ 小结：a、双写最后一个字母加?? b、变y为i加. （大屏幕上）出示一男一女对比效果明显的图片，说句子： 例如：He is fat but she is thin . She is thinner than him . 21世纪教育网版权所有 He is heavier than her. 5、小组合作：四人小组运用所学的形容词的比较级，配上自己喜欢的节奏自编chant.，交流展示。 6、出示单词卡片，领读单词，打开课本，听录音跟读。
7、小结：形容词比较级的变化规则。（课件显示）
8、学习Let’s play . 21世纪教育网版权所有 教师与一位同学比手掌大小，比手臂长短引出： My arms are longer than yours . My hands are bigger than yours . 解释：yours =your +名词21世纪教育网版权所有 教学环节 师生活动21教育网
Practice
游戏 两人小组比身高，体重，五官，身体部位，至少说出一种自己的优势。 例如：I’m taller than you ,I can catch the picture.?? My legs are longer than yours .I can run fast .请两小组板前展示。 教学环节 师生活动21·cn·jy·com
Production21世纪教育网版权所有 1、唱let’s chant .(课件显示)。 2、（看大屏幕）用形容词比较级自由描述动物特征。 3、Match and say. 21世纪教育网版权所有www.21-cn-jy.com
板书设计
Unit 1 How tall are you?
Let’s learn
thin_ thinner big_ bigger(双写加er) 21世纪教育网版权所有
heavy_ heavier r(变y为i加er)
small_ smaller strong_ stronger(直接加er)
How heavy are you? I’m 52 kilograms. 21世纪教育网版权所有
课件20张PPT。Unit1 How tall are you ?B let's learnHow old are you ?
How tall are you ?
Who is taller ?
Who is older ?1312150cm145cmbigbiggerThe red balloon is bigger than the orange one.smallsmallerThe green apple is smaller than the red one.This orange is bigger than that one.That orange is smaller than this one.longlongerThe blue ruler is longer than the yellow one.thinnerheavierGong Han lin is thinner than Liu Liu.Liu Liu is heavier than Gong Han lin.storngstrongerJames is stronger than Kobe.biggersmallerthinnerheavierWhat’s missing?strongerFree talkA:How heavy are you ?
B:I'm...Kg.What about you ?
A:I'm...Kg.
B:You are heavier/thinner than me.
A:Yes.
Which is bigger,the elephant or the yellow dog?Which is thinner,the bear or the yellow dog?The elephant is bigger than the yellow dog.The bear is heavier than the yellow dog.The yellow dog is thinner than the bear.The yellow dog is smaller than the elephant.ConsolidationI am taller than you.
I am stronger than you.
I am heavier than you.
I am funnier than you.My hair is longer than yours.
My eyes are bigger than yours.
Your head is smaller than mine.
Your hands are bigger than mine. Tips for you!
当你要展示自己优点时，你会用怎样的语调、表情、动作呢？比如：信心十足，声音响亮，动作夸张……1. PK: 仿照例子与同桌展示自己的优点！=your hair=your eyes=my head=my hands形容词的比较级
1.含义：表示两者(人或事物)的比较。
2.用于：比较级+than的句子中
3.翻译：“更…….”形容词的比较级用A+be+修饰词+比较级+than+B形容词比较级的变化规则
(1)一般在词尾+er:
strong—stronger(更强壮的)
(2)以字母e结尾的单词，+r:
nice(好的)—nicer(更好的)
