资源简介

(共31张PPT)
Unit 4 Hands-on fun
Word power
译林 （2024版）八年级
上
Learning objectives
1
Lead in
Presentation
3
Practice
Production
5
Summary
Assessment
7
Homework
2
4
6
8
By the end of the lesson, I will be able to...
1
2
3
correctly form adjectives with prefixes un-, in-, and im- to express opposite meanings;
tell the meanings of words with un-/in-/im- in different contexts;
guess unknown words' meanings via these prefixes in reading, and use this strategy to build vocabulary.
00
Learning objectives
https://www.21cnjy.com二一教育
Lead in
01
手工社团展
Lead in
01
Simon's paper - crane
Nora's clay pot steps
imperfect
perfect
incorrect
correct
Suzy's attitude
unhappy
happy
Lead in
01
Look and say.
Simon's paper - crane
Nora's clay pot step
Suzy's attitude
perfect
imperfect
correct
incorrect
unhappy
happy
Lead in
01
Look and say.
perfect
imperfect
correct
incorrect
Find the rules!
The prefixes un-, in- and im
unhappy
happy
Presentation
02
Let's learn-
The prefixes un-, in- and im
One of the most common prefixes for adjectives is______. "It means _______". We add it to some adjectives to give them the _________ meaning. We can also use some other prefixes, such as ______ and_____, to form new adjectives with the ___________ meaning.
Learn the rules!
un-
not
opposite
in-
im-
opposite
One of the most common prefixes for adjectives is______. "It means _______". We add it to some adjectives to give them the _________ meaning.
un-
not
opposite
Presentation
02
Let's learn-
The prefixes un-, in- and im
unhappy
happy
Presentation
02
Let's learn-
The prefixes un-, in- and im
We can also use some other prefixes, such as ______ and_____, to form new adjectives with the ___________ meaning.
in-
im-
opposite
perfect
imperfect
correct
incorrect
Presentation
02
Let's learn-
The prefixes un-, in- and im
原词 否定形式（加前缀）
lucky unlucky
correct incorrect
possible impossible
usual unusual
complete incomplete
polite impolite
Complete the text.
Add the correct prefixes to the words below so that they have the opposite meanings.
1 interesting ____________
2 sure _________________
3 able _________________
4 friendly ______________
5 active ________________
6 patient _______________
7 expensive _____________
8 perfect _______________
uninteresting
unsure
unable
unfriendly
inactive
impatient
inexpensive
imperfect
You may use a dictionary to help you.
Presentation
02
Practice
03
Simon thought making the clay pot was____________, but with _____________, it turned _______________ .
Look and say.
possible
friend's help
impossible
possible
Practice
03
Suzy was _________when folding paper at first, but after______________________, she became _________.
Look and say.
happy
taking a deep breath
unhappy
happy
Practice
03
Nora's steps to the DIY was___________, but she _____________________and finally got the _____________ one!
Look and say.
correct
checked the textbook
incorrect
correct
textbook
Simon and Nora talk about their preferences for DIY.
Practice
03
Read and fill in the blanks.
Read the conversations below, fill in the blanks with words in the box, adding the correct prefixes to them.
Simon: Do you spend much time doing DIY, Nora
Nora: Yes, I do! It's __________ to find me without a DIY job to do. What about you
Simon: I'm not a fan of DIY because I'm too __________ .
Nora: Oh yes, It's __________ to finish a DIY job if you are not patient.
correct tidy usual possible patient
unusual
impatient
impossible
Mum and Suzy talk about their preferences for DIY.
Practice
03
Read and fill in the blanks.
Read the conversations below, fill in the blanks with words in the box, adding the correct prefixes to them.
2 Mum: Suzy, your room is really __________ —things are all over the floor.
Suzy: Sorry, Mum. I'll tidy up soon. It seems some of the answers in my homework are __________ . I'm looking for my textbooks to check.
correct tidy usual possible patient
untidy
incorrect
Production
04
"Best Friendship Star" Voting Form
Write "reasons for selection" for Millie/Simon/Sandy/Daniel, using at least 2 "-full" adjectives and 1 "-less" adjective.
Character Adventure Story Creation
小组合作，为教材人物设计 “手工闯关结局”
需包含：
At least 3 sets of prefix words (like un -, im -, in - etc. to form opposite meanings, e.g., patient - impatient, correct - incorrect).至少 3 组前缀词
A “Mistake - Correction” plot, showing how characters mess up their handicrafts at first and then fix them.
“失误 - 修正” 情节
Production
04
"Best Friendship Star" Voting Form
Write "reasons for selection" for Millie/Simon/Sandy/Daniel, using at least 2 "-full" adjectives and 1 "-less" adjective.
Character Adventure Story Creation
Simon's DIY started unlucky— his paper - crane was imperfect. But he was patient, not impatient. Finally, it became perfect!
For example
Step2: Role play
Step1: Create the story
Talk clearly
(内容清晰)
Pronunciation
(发音标准)
Body language
(使用肢体语言)
Fluently(流利的)
Reasonable
(理由合理)
Production
04
Read and think.
What does a perfect handicraft require
Production
04
Read and think.
What does a perfect handicraft require
Carefulness: Avoid mistakes from carelessness, e.g., folding a paper crane's wings at the wrong angle.
Resolution: Don't give up when facing difficulties (persistence), like patiently re-trying to fix a clay pot's crack.
Amusement: Interest in DIY keeps enthusiasm, even with tedious processes.
Focus: Stay concentrated; avoid messy steps from being unfocused (e.g., mixing up origami sides).
Technique: Master correct methods and fix incorrect skills, such as adjusting clay-shaping force.
八
Carefulness
Resolution
Amusement
Focus
Technique
Craft
Carefulness
Resolution
Amusement
Focus
Technique
一、给下列单词添加正确前缀（un- /in-/im- ），构成反义词
interesting → ____________ sure → _______________
able → _________________ friendly → ____________
active → _______________ patient → _____________
expensive → ____________ perfect → _____________
Summary
05
The grammar we have learned
uninteresting
unsure
unable
unfriendly
inactive
impatient
inexpensive
imperfect
二、用方框内单词（加正确前缀）补全对话，每词限用一次
Summary
05
The grammar we have learned
correct / tidy / usual / possible / patient
A: Hi, Lily! Do you often do DIY at home
B: Yes! It's ____________ for me to stay away from DIY projects on weekends. What about you
A: I don't like DIY much. I'm too ____________ —I get bored easily when making things.
B: Oh, that's a problem. It's ____________ to finish a nice DIY work without patience.
A: Mum always says my bedroom is __________. I really need to tidy it up.
B: And check your homework too! Some answers look ____________. Let's find your textbook to verify.
unusual
impatient
impossible
untidy
incorrect
三、用含 un- /in-/im- 前缀的单词，改写下列句子。
The answer is not correct. → The answer is ____________.
This task is not possible. → This task is ____________.
He is not patient. → He is ____________.
Her room is not tidy. → Her room is ____________.
The story is not interesting. → The story is ____________.
Summary
05
The grammar we have learned
uninteresting
impatient
impossible
untidy
incorrect
Assessment
06
Self-assessment
I can correctly form adjectives with prefixes un-, in-, and im- to express opposite meanings.
I can tell the meanings of words with un-/in-/im- in different contexts.
I can guess unknown words' meanings via these prefixes in reading, and use this strategy to build vocabulary.
基础：完成课本练习，核对答案后，挑选 3 组词汇，结合生活场景用单词造句，句子需包含具体情境描述。
Homework
07
提升：模仿课本对话，围绕 “校园活动” 编写一段新对话，至少运用 2 个前缀构词，标注运用前缀的词汇及原词，对话需包含活动参与、感受交流等环节。
拓展：查阅英文读物或网络资料，收集 5 个含 un-、in-、im- 前缀的新单词，制作 “前缀词汇卡”，标注词义、原词、例句及词汇来源语境。
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