资源简介

(共22张PPT)
Unit 6 Crossing Cultures
SectionnB (2a-2d)
人教版 八年级下册
学习目标
能够理解形容词否定前缀un-和in-/im-的意义，并在语境中正确使用形容词或其否定形式。
能够掌握含有后缀-ing/-ed的成对形容词的意义区别并在语境中准确运用这两类形容词。
01
02
能够使用所学单词完成有关筷子文化的语篇，理解语篇的主旨和内涵，加深对亚洲筷子文化的了解，并能简要介绍使用筷子的礼仪。
03
01
Lead-in
Let’s learn opposite adjectives!
02
Presentation
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
我负责改变词义
我负责改变词性
prefix
suffix
还记得我们之前学习的关于词缀的知识吗？
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
Let’s learn.
help
un
ful
prefix
suffix
前缀：无
后缀：……的
词根：帮助
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
Let’s learn.
+ happy
+ active
+ polite
un
in
im
unhappy
inactive
impolite
否定前缀
形容词
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
Write down the negative forms of the adjectives in the box using un- or in- / im-.
2a
safe formal proper possible friendly direct
tidy healthy perfect important common correct
un-: ____________________________________________________________________
in- / im-: ________________________________________________________________
unsafe
informal, improper
学习词缀能够快速掌握英语词汇的构词规律，高效拓展词汇量，提升对生词的词义推断能力与语言运用的准确性。
unfriendly, untidy, unhealthy, unimportant, uncommon
impossible, indirect, imperfect, incorrect
派生词由词根加派生词缀构成。大多数前缀并不影响词根的词性，而仅对词根的意义加以修饰。其中用在形容词前表示否定的前缀常见的如下：
前缀 用途 例词
un- unlucky
in- incorrect
im- impolite
il- illegal
ir- irresponsible
dis- dishonest
non- non-traditional
适用于大多数形容词
常用于辅音字母（l，m，p，r 除外）开头的形容词
常用于以b，m，p 开头的形容词前
常用于以l开头的形容词前
常用于以r开头的形容词前
常与表达态度、品质的形容词连用
仅客观说明“不属于某一类别”
拓展
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
Complete the sentences with the correct forms of the adjectives in brackets.
2b
Saying “hi” is an ________ way to greet others. (formal)
It is ________ to point at people in many countries. (polite)
The host is certainly ________ when you enjoy yourself at their party. (happy)
People usually dress in formal clothes when visiting some public places such as concert halls. It is _________ to wear shorts, short skirts, or jeans there. (proper)
In some cultures, it is OK to be late sometimes. People are _______ even if their meetings don’t start on time. (patient)
informal
impolite
happy
improper
patient
Look at the compound words in the box. Do you know what they mean Complete the sentences using five of these words.
2c
1. A: Did you understand the rules I found them confused / confusing.
B: I was confused / confusing at first too, but Mr Thompson explained
them to me.
2. A: Isn’t it excited / exciting that James will marry Jennifer next month
B: Yes! I’m so excited / exciting, and I can’t wait to congratulate them.
3. A: Sally was a little embarrassed / embarrassing just now. She wished
her friend happy birthday on the wrong date.
B: Oh no! That can be embarrassed / embarrassing.
Complete the passage with the correct forms of the words in the box.
2d
normal last manner proper challenge
In many Asian countries, it is ________ for people to eat with chopsticks. There are many rules and traditions about how to use chopsticks _________.
Firstly, don’t stick your chopsticks into food. That is very bad ________. Secondly, don’t pull dishes close to you with your chopsticks.Thirdly, don’t point at others with your chopsticks or wave them about when you talk. _______, hold your chopsticks correctly. Using chopsticks looks easy, but it can actually be a little __________. The key thing is to keep trying. With plenty of practice, anyone can learn to use chopsticks well!
normal
properly
manners
Lastly
challenging
ab455601-9760-48e3-bd4f-469187ccd654.jpeg
Let’s read again and fill in the forms.
Rules and traditions about ________________ ________________ Firstly, _________ your chopsticks into food. The key thing is to __________
Secondly, don’t pull dishes close to you with your chopsticks. Thirdly, _________________ with your chopsticks or _______________ when you talk. Lastly, ______ your chopsticks correctly. how to use chopsticks properly
don’t stick
don’t point at others
wave them about
hold
keep trying
Language points
1. Isn’t it exciting that James will marry Jennifer next month
詹姆斯下个月要和詹妮弗结婚了，难道不令人兴奋吗？
marry sb. 嫁给某人 / 和某人结婚
e.g. She married a doctor.
她嫁给了一位医生。
【拓展】get married 结婚（强调动作）
get married to sb. 和某人结婚
e.g. They got married last year.
他们去年结婚了。
She got married to a teacher.
她嫁给了一位老师。
be married 已婚的（强调状态）
e.g. He is married to a famous singer.
他和一位著名歌手结婚了。
① can’t wait to do sth. 迫不及待地做某事
e.g. I can’t wait to read this science fiction.
我迫不及待地想看这本科幻小说。
2. I’m so excited, and I can’t wait to congratulate them.
我太兴奋了，都等不及要去祝贺他们了。
【拓展】can’t wait for sth. 急切地等某事
e.g. I can’t wait for the vacation.
我急切地等待假期的到来。
② congratulate v. 祝贺
congratulate sb. 祝贺某人
congratulate sb. on sth. 因某事祝贺某人
e.g. I congratulated him on his success.
我祝贺他成功。
She congratulated me on passing the exam.
她祝贺我通过了考试。
【拓展】congratulation n. 祝贺（常用复数）
congratulations to sb. on sth. 在某方面祝贺某人
e.g. Congratulations to you on passing the exam.
祝贺你通过了考试。
v4-1600px-Have-Good-Table-Manners-Summary-Version-3.jpg.webp
…
Make up new sentences using what we have learned today.
In India, it’s unacceptable to eat with your left hand.
Asking strangers about their personal affairs in France is impolite.
…
People shouldn't wear informal clothes to a wedding in the UK.
当堂检测
一、选择题。
1.You’d better put your bag on your knees. It’s ________ to take up two seats on the bus.
A. proper B. polite C. improper D. common
2.—Did you understand the rules
—Yes, but they were ______ at first.
A. confused B. confusing C. embarrassed D. embarrassing
3.We should use ______ language to greet elders.
A. unfriendly B. informal C. polite D. impatient
4.She is ______ to hear from her foreign friend.
A. exciting B.interested C. interesting D. excited
熟记本课时新单词，并挑选出5个单词造句，下节课上分享。
Homework
Thank you !/ 让教学更有效 精品试卷 | 英语学科
一、基本信息
课题：Unit 6 Crossing Cultures Section B (2a-2d)
课时：1 课时（40分钟）
教材版本：人教版英语八年级下册
授课对象：八年级学生
二、教学目标
1. 知识目标
掌握否定前缀 un-/in-/im- 的用法，能正确构成形容词否定形式。
区分 -ing/-ed形容词的用法：-ing 形容物，-ed 形容人 。
掌握筷子礼仪相关表达与重点短语：marry, get married, can’t wait to do, congratulate等。
2. 能力目标
能运用否定前缀与 -ing/-ed 形容词完成填空、造句。
能读懂筷子文化语篇，复述使用筷子的礼仪。
3. 情感目标
了解亚洲筷子文化，尊重不同国家餐桌礼仪，培养跨文化交际意识。
三、教学重难点
重点：否定前缀un-/in-/im-；-ing/-ed形容词辨析；筷子礼仪。
难点：-ing/-ed形容词在语境中的准确使用；否定前缀的搭配规则。
四、教学方法
情境教学法、任务驱动法、小组合作法、讲练结合法
五、教学过程
Step 1. Warm-up & Lead-in（3 分钟）
问候并展示中西餐具图片，引出chopsticks话题。
提问：Do you know any rules of using chopsticks 导入本课主题。
Step 2. Presentation 1：否定前缀 un-/in-/im-（10 分钟）
讲解：前缀改变词义，un-/in-/im- 表示 “不、非”。
规则：
un-：用于大多数形容词（happy→unhappy, safe→unsafe）
in-：用于非 l/m/p/r 开头形容词（active→inactive, formal→informal）
im-：用于 b/m/p 开头形容词（polite→impolite, possible→impossible）
完成课件2a，核对答案，强化记忆。
Step 3. Practice 1：2b 填空（7 分钟）
学生独立完成2b。
核对答案，讲解语境用法。
Step 4. Presentation 2：-ing /-ed 形容词（10 分钟）
核心口诀：-ing 令人……（修饰事物）；-ed 感到……（修饰人）。
interesting（令人有趣的）—interested（感到有趣的）
exciting—excited；confusing—confused；embarrassing—embarrassed
完成课件2c，小组互查。
Step 5. Reading：2d 筷子文化（10 分钟）
默读短文，完成填空。
复述筷子四大礼仪：
Don’t stick chopsticks into food.
Don’t pull dishes with chopsticks.
Don’t point or wave chopsticks.
Hold chopsticks correctly.
讲解重点句型：marry, get married, can’t wait to do, congratulate。
Step 6. Summary & Homework（5 分钟）
总结：否定前缀、-ing/-ed形容词、筷子礼仪。
作业：
记忆本课单词与短语。
用 5 个新词造句。
向家人介绍筷子礼仪。
六、板书设计
Unit 6 Section B (2a-2d)
否定前缀：un- happy→unhappy；in- formal→informal；im- polite→impolite
-ing /-ed：-ing（物）；-ed（人）
筷子礼仪：don’t stick… don’t point… hold correctly/ 让教学更有效 精品试卷 | 英语学科
按要求写词（否定形式）
safe → _________
polite → _________
happy → _________
formal → _________
possible → _________
6. correct → _________
二、用 -ing /-ed 形容词填空
1. The movie is _________. We are all _________. (exciting / excited)
2. The story is _________. I feel _________. (boring / bored)
3. The question is _________. He is _________. (confusing / confused)
4. The news is _________. She is _________. (surprising / surprised)
三、单项选择
1. It’s _______ to point at others with chopsticks.
A. proper B. polite C. improper D. helpful
2. The game is _______. All the students are _______.
A. interesting; interested B. interested; interesting
C. boring; interesting D. interested; boring
3. I can’t wait _______ my old friend.
A. meet B. to meet C. meeting D. met
4. He _______ a doctor last year.
A. married B. get married C. marry D. getting married
四、根据汉语提示完成句子
1. 在许多亚洲国家，用筷子吃饭是很平常的。
It’s _________ for people to eat with chopsticks.
不要把筷子插在食物里。
Don’t _________ your chopsticks into food.
我迫不及待地想收到你的来信。
I _________ to hear from you.
祝贺你通过考试。
_________ you on passing the exam.
阅读理解（根据 2d 短文判断 T/F）
It’s normal to eat with chopsticks in many Asian countries. ( )
Sticking chopsticks into food is good manners. ( )
3. We can pull dishes close to us with chopsticks. ( )
八下Unit6 Crossing Cultures Section B (2a- 2d) 课堂练习参考答案：
1. unsafe 2. impolite 3. unhappy 4. informal 5. impossible 6. incorrect
1. exciting; excited 2. boring; bored 3. confusing; confused 4. surprising; surprised
1. C 2. A 3. B 4. A
1. normal 2. stick 3. can’t wait 4. Congratulate
五、 1. T 2. F 3. F

展开更多......

收起↑