资源简介

(共18张PPT)
Unit3 Same Or Different
SectionA (3a-3c)
人教版 八年级上册
学习目标
1
2
3
能够通过观察、发现并归纳形容词和副词比较级的形式和用法。
能够正确使用比较级和 as...as 结构进行问答，区分形容词与副词用法。
能够完成3c,并运用比较级描述并对比两个城市或人物。
01
Lead-in
Grass gets greener
Days gets warmer
Sun gets brighter
Brighter and brighter
Dreams get bigger
Smiles get wider
Love gets stronger
Stronger and stronger
It gets better
更绿
更温暖
更亮
更大
更广阔
更强大
更好
Use about differences
Practice about comparisons
Know about comparatives
Activity 1: Listen and fill
Task 1:Know about comparatives
02
Presentation
funny, tall,
outgoing,
good, fat, short,
easy, heavy,
big, high
interesting,
strong, bad
hard-working,
friendly, thin
1
2
3
4
5
tall-taller
outgoing-more outgoing
heavy-heavier
fat-fatter
good-better
short-shorter
funny-funnier
easy-easier
big-bigger
high-higher
interesting-more interesting
strong-stronger
bad-worse
hard-working--more hard-working
friendly-frinedlier
thin-thinner
Use about differences
Practice about comparisons
Know about comparatives
Activity 2: Look and think,and then put them into right boxes.
What rules do you find

构成方法 原级 比较级
单音节词和部分双音节词 一般在词尾加er high higher
以字母e结尾的词，在词尾加r fine finer
重读闭音节词词尾只有一个辅音字母时，要双写该辅音字母，再加er big thin fat bigger
thinner
fatter
以“辅音字母+y”结尾的双音节词，变y为i加er easy funny easier
funnier
多音节词和部分双音节词 在前面加more beautiful interesting more beautiful
more interesting
good-better; bad/badly-worse
规
则
变
化
不规则变化
Use about differences
Practice about comparisons
Know about comparatives
Activity3: Let’s find
规
则
变
化
There are more activities this year. It is more colorful than last year.
Emma is taller than Ella, but her hair is shorter than Ella’s.
Ella dances better than Emma, but Emma sings louder than her.
Emma always gets up earlier than me, but I work as hard as her!
Tip:
形容词与be动词连用；
副词修饰行为动词，并往往位于动词后面。
adj.的比较级
adv.的比较级
Use about differences
Practice about comparisons
Know about comparatives
Activity4: Read the sentences and notice the comparatives in bold. Find more examples in Section A.
than
There are more activities this year. It is more colourful than last year.
Emma is taller than Ella, but her hair is shorter than Ella's.
Ella dances better than Emma, but Emma sings louder than her.
Emma always gets up earlier than me, but I work as hard as her!
than
than
than
than
than
than
more +adj + than
adj +er+ than
adj +er+ than
adj +er+ than
as +adj./adv.+ as
A + be + 形容词比较级 + than + B“A比B更...”
A + 实义动词 + 副词比较级+ than + B “A比B更...”
A+as +形容词/副词原级+as +B “A和B一样...”
Use about differences
Practice about comparisons
Know about comparatives
Activity 5: Find patterns
Is Peter smarter than Sam No, he isn't. Sam is smarter than Peter.
Does Emma work as hard as Ella Yes, she does.
Who's more hard-working at school I think Chen Jie works harder than Peter.
形容词比较级的一般疑问句：Be +A+形容词比较级+than +B A比B...吗？
副词原级比较的一般疑问句式：Does/Do +A+ 实义动词+副词原形 +as +B
比较级的特殊疑问句：Who/Which + be/实义动词+ 比较级, (A or B)
Use about differences
Practice about comparisons
Know about comparatives
Activity 5: Find patterns
1. Q:Is Julie slimmer than you (Julie/ slim / you)
A: No, she isn't. She is as slim as me.
2. Q:_________________________________ (you/serious/cousin)
A:No,I’m not. I am____________than he is.
3. Q:_______________________ (Tom/smart/Sam)
A:No, I don’t think so.I think Sam is as______as Tom.
4. ___________________________ (Jack/ swim / fast / Sally)
No, he doesn't. He swims as______as Sally.
Are you more serious than your cousin
less serious
Is Tom smarter than Sam
smart
Does Jack swim faster than Sally
fast
/ s ri s/ 严肃的
Use about differences
Practice about comparisons
Know about comparatives
Task 2: Practice about comparisons
Activity 1: Finish 3b
1.Though I failed a lot ________ (many) times than I succeeded, I know how to fail well.
2.Every match was (exciting) than I thought.
3.Paul is not as _________ (popular) as Mary, but he is _________ (funny) than Mary.
4.—Mary, your brother is much __________ (tall) than before.
—Yes, he is also stronger.
5.Compared with the past, the community canteens (食堂) are providing people, both young and old, with (healthy) and cheaper dishes now.
more
more exciting
popular
funnier
taller
healthier
Use about differences
Practice about comparisons
Know about comparatives
Activity 2: 用所给词适当形式填空
Facts Population (2022) 18.734 million 2.665 million
Area 7,436 square km 589 square km
Average rainfall per year 1,923 mm 910 mm
Average January temperature 16°C -6°C
Average July temperature 31°C 23°C
Chicago
平方千米
毫米
Guangzhou
/ p pju le n/
Use about differences
Practice about comparisons
Know about comparatives
Task 3:Use about differences
Activity 1: Finish 3c
large small much warm cool
The population of Vancouver was ____________that of Guangzhou in 2024.
In area, Guangzhou is __________Vancouver.
It rains __________ in Guangzhou __________ in Vancouver.
Guangzhou has a pleasant temperature in January. It is __________ Vancouver in January.
Vancouver is_________________ Guangzhou in July.
smaller than
larger than
指代前面比较对象
单数/不可数：that
复数：those
more
than
warmer than
cooler than
Which city do you like better Why
Use about differences
Practice about comparisons
Know about comparatives
Task 3:Use about differences
Activity 1: Finish 3c
I ________________________ .
My friend ___________________________ .
I
My friend
Use about differences
Practice about comparisons
Know about comparatives
Task 3:Use about differences
Activity 2: Let's draw and write
Summary
形容词/副词的比较级
1.A + be + 形容词比较级 + than + B“A比B更...”
2.A + 实义动词 + 副词比较级+ than + B “A比B更...”
3.A+as +形容词/副词原级+as +B “A和B一样...”
as...as
1.A= B-----A+ as +adj / adv的原级+ as +B, “A和B一样”
2.A＜B---A +not+as/so+形容词原级+as+B, “A不如B…”
形容词比较级的一般疑问句：Be +A+形容词比较级+than +B A比B...吗？
副词原级比较的一般疑问句式：Does/Do +A+ 实义动词+副词原形 +as +B
比较级的特殊疑问句：Who/Which + be/实义动词+ 比较级, (A or B)
1.一般单音节词在词尾加 -er;
2.闭音节词且词尾只有一个辅音字母，双写该辅音字母，再加-er
3.多音节和部分双音节词前加more
4.以辅音字母加y结尾的 双音节词，把y变i，再加-er
5.以字母e结尾的单音节词，在词尾加 -r
6.不规则变化需要单独记忆。
harder
shorter
more outgoing
quieter
funner
用括号内词的适当形式填空：
(1) Emma is _______ than Ella. (quiet)
(2) Ella is ______ than Emma. (funny)
(3) Chen Jie works ______ than Peter. (hard)
(4) Peter is ______________ than Chen Jie. (outgoing)
(5) Her hair is ______ than Ella's. (short)
Exercises.
基础作业：
归纳形容词、副词比较级变化规则（规则 + 不规则）并完成相应练习。
提升作业：
仿写3组问答，运用比较级、as...as结构，区分形容词与副词的用法。
综合运用作业：
用比较级和as...as结构写5-8句话的小短文，描述你和你最好朋友的异同（外貌、性格、习惯、能力等方面）。
Homework/ 让教学更有效 精品试卷 | 英语学科
一、写出下列形容词/副词的比较级形式：
1. tall ________ 2. nice ________ 3. happy ________ 4. big ________
5. thin ________ 6. colourful ________ 7. good ________ 8. bad ________ 9. early ________ 10. well ________ 11. outgoing ________ 12. heavy ________
13. fat ________ 14. short ________ 15. high________ 16. interesting________
二、用括号内词的适当形式填空：
1. Emma is ______ than Ella. (quiet)
2. Ella is ______ than Emma. (funny)
3. Chen Jie works ______ than Peter. (hard)
4. Peter is ______ than Chen Jie. (outgoing)
5. Her hair is ______ than Ella's. (short)
三、单项选择。
1. This story is ____ than that one.
A. interesting B. more interesting
C. most interesting D. the most interesting
2. Tom runs ____ as his brother. They have the same speed.
A. fast B. faster C. fastest D. more fast
3. Lily is not ____ tall ____ Lucy. Lucy is taller.
A. as; than B. so; as C. more; than D. much; as
4. The weather today is much ____ than yesterday.
A. warm B. warmer C. warmest D. more warm
5. —Who is ____, Amy or Mary
—Mary. She does better in sports.
A. strong B. stronger C. strongest D. the strongest
6. This book isn’t ____ as that one. This one is less difficult.
A. so difficult B. more difficult C. most difficult D. difficult
7. Our classroom is ____ than theirs.
A. clean B. cleaner C. cleanest D. more cleaner
8. He doesn’t write ____ carefully as his sister.
A. so B. more C. much D. very
9. The little boy is ____ than before. He eats more food now.
A. fat B. fatter C. fattest D. more fat
10. As time goes on, our life becomes ____.
A. good and good B. better and better
C. well and well D. more and more good
四.仿写3组问答，运用比较级、as...as结构，区分形容词与副词的用法。
示例：
Q: Is your sister taller than you
A: No, she isn't. She is as tall as me.
五.写作：My Friend and I
用比较级和as...as结构写5-8句话的小短文，描述你和你最好朋友的异同（外貌、性格、习惯、能力等方面）。
要求：至少使用3个比较级和1个as...as结构。
八上 Unit 3 Same Or Different Section A (3a-3c)课堂练习参考答案：
一、写出下列形容词 / 副词的比较级形式
1. tall — taller
2. nice — nicer
3. happy — happier
4. big — bigger
5. thin — thinner
6. colourful — more colourful
7. good — better
8. bad — worse
9. early — earlier
10. well — better
11. outgoing — more outgoing
12. heavy — heavier
13. fat — fatter
14. short — shorter
15. high — higher
16. interesting — more interesting
二、用括号内词的适当形式填空
1. Emma is quieter than Ella. (quiet)
2. Ella is funnier than Emma. (funny)
3. Chen Jie works harder than Peter. (hard)
4. Peter is more outgoing than Chen Jie. (outgoing)
5. Her hair is shorter than Ella's. (short)
三、单项选择
1-5 BABBB 6-10 ABABB
四、仿写 3 组问答（区分形容词、副词）
说明：1、2 句用形容词；第 3 句用副词
1. Q: Is your bag heavier than mine
A: No, it isn’t. It is as heavy as yours.
2. Q: Is Tom quieter than Jim
A: No, he isn’t. He is as quiet as Jim.
3. Q: Does Lily run faster than you
A: No, she doesn’t. She runs as fast as me.
五、写作：My Friend and I
My Friend and I
My best friend is Lisa. She is taller than me, but I am heavier than her. Lisa is more outgoing than me, so she has more friends. I study harder than her and I am better at English. Lisa can sing as well as me. We both like reading. She runs faster than me on the playground. We often play together./ 让教学更有效 精品试卷 | 英语学科
Unit 3 Same or Different Section A Grammar Focus（3a-3c）
课题名称 Unit 3 Same or Different Section A Grammar Focus 3a-3c 课型 语法课
设计者 Mary 计划课时 1
学习目标 ① 能够通过观察、发现并归纳形容词和副词比较级的形式和用法。（对应Task 1）
② 能够正确使用比较级和 as...as 结构进行问答，区分形容词与副词用法。（对应Task 2）
③ 能够完成3c,并运用比较级描述并对比两个城市或人物。（对应Task 3）
学习重点 ①②：形容词和副词比较级的构成规则（+er/+r/变y为i/双写/more/不规则）及基本句型（A+be+adj比较级+than+B / A+v.+adv比较级+than+B）；as...as同级比较结构的肯定与否定形式。 学习难点 ③：区分形容词与副词在比较结构中的不同用法；在真实语境中运用比较级和as...as结构进行城市对比描述；that/those指代比较对象的用法。
核心问题 How do we use comparatives and "as...as" to describe differences and similarities between people and places （我们如何运用比较级和as...as结构来描述人物和地方之间的异同？）
教学流程
学习内容 教师活动 学生活动 伴随评价
Activity 1: Listen and fill (歌曲填词，感知比较级) Activity 2: Look and think, put words into right boxes (词汇分类) Activity 3: Let's find (归纳变化规则表) Activity 4: Read sentences, notice comparatives (区分adj/adv比较级) Activity 5: Find patterns (归纳句型结构与问答句式) 任务一：Know about comparatives——观察、发现与归纳比较级形式及句型（Activities 1-5） 对应目标①
播放歌曲Grass Gets Greener，引导听歌填词，感知比较级 呈现16个形容词/副词，引导按比较级变化规则分类归纳 3. 呈现变化规则表，引导学生发现并归纳6条比较级变化规则 4. 呈现3a四组句子，引导圈画比较级，区分adj与adv用法 5. 引导归纳3种基本句型与3种疑问句式 1. 听歌曲，填写比较级词汇，感知比较级 2. 观察词卡，将16个词按比较级变化规则分类，讨论发现规律 3. 观察规则表，归纳6条比较级变化规则 4. 朗读3a句子，圈画比较级，区分adj与adv用法 5. 归纳3种基本句型与3种疑问句式 1. 能准确填写歌曲中的比较级 2. 能按变化规则对词汇正确分类 3. 能说出6条比较级变化规则 4. 能区分adj与adv比较级 5. 能归纳3种基本句型与疑问句式
Activity 1: Finish 3b (完成4组问答，运用比较级与as...as) 新词：serious / s ri s/ 严肃的 Activity 2: 用所给词适当形式填空 (5题综合练习) 任务二：Practice about comparisons——比较级与同级比较的操练运用（Activities 1-2） 对应目标②
呈现3b问答练习，讲解示例，讲解新词serious，引导独立完成4组问答，组织同桌互问互答 2. 呈现5题填空练习，引导用所给词适当形式填空，组织上台展示问答对话，点拨做题思路，强化adj与adv用法区分 1. 理解新词serious，明确3b问答示例，独立完成4组问答，同桌互问互答（3b） 2.独立完成5题填空，注意区分adj与adv用法；上台展示问答对话，讲解做题思路 1. 能正确完成3b问答填空 2.. 填空正确率≥80%，能区分adj与adv用法并讲解思路
Activity 1: Finish 3c (对比Chicago/Guangzhou和Vancouver) Activity 2: Let's draw and write (描述自己与朋友的异同) 任务三：Use about differences——城市对比与迁移运用（3c Compare two cities） 对应目标③
1. 呈现3c数据表格（人口/面积/降雨/气温），讲解新词population，引导用比较级完成5个填空，组织核对答案，讲解that/those指代比较对象的用法 ，提问Which city do you like better ，引导口头对比两座城市 2. 组织Let's draw and write，引导用比较级和as...as描述自己与朋友的异同 1. 观察数据表格，理解新词population，用比较级独立完成5个填空，同桌互查答案，用that/those指代比较对象，说出指代内容，小组讨论Which city do you like better ，口头对比两座城市 2. 画图并写出自己与朋友的异同，展示交流（比较级+as...as） 1. 能理解3c数据与新词population，能正确使用比较级完成填空，能用that/those指代比较对象 ，能口头描述城市对比并说明喜好 2. 能描述自己与朋友的异同（语言输出≥5句）
Summary: 思维导图总结
分层作业 【基础作业】归纳形容词、副词比较级变化规则（规则+不规则）并完成相应练习。（对应目标①） 【提升作业】仿写3组问答，运用比较级、as...as结构，区分形容词与副词的用法。（对应目标②） 【综合运用作业】用比较级和as...as结构写5-8句话的小短文，描述你和你最好朋友的异同（外貌、性格、习惯、能力等方面）。（对应目标③）

展开更多......

收起↑