资源简介

(共33张PPT)
Word Formation
学习构词法的重要性
了解词性
猜测词义
扩大词汇量
help helpful helpless helpfully helplessly
agree agreement decide decision
appear v.出现
disappear
appearance
disappearance
v.(不出现) 消失，不见
n.出现，外貌
n.消失，不见
一.合成法（compound）
合成词 Compound
pain-killer
＋
＝
止痛药
＋
＝
color- blind
色盲
＋
＝
sleep-walk
梦游
归 纳：由______或________词合成一个新词, 有的用_______________连接,有的________连写在一起，还有的由____________________构成，这样的构词方法叫做合成法。
easy-going, old-fashioned
somewhere, eggplant, anyone, newspaper
theme park, bus stop, post office, reading room
分开的两个词
连词符号“-”hyphen
直接
1. 合成法 Compound
两个
多个
1.nationwide ____________ 2.one-to-one ___________
3.well-sampled___________ 4.man-made__________
5.high-quality ___________ 6.swimming pool ___________
7.time-consuming ___________ 8.ordinary-looking ___________
全国的
一对一的
人造的
游泳池
高质量的
Task1:Try to guess
相貌平平的
充分采样的
耗时的
二.转化法（Conversion）
春风又绿江南岸。
驴不胜怒，蹄之。
形容词 动词
名词 动词
单词可从一种词性转化为另一种词性。
单词转化前后的意义联系密切。
2. The rain poured down.
rain 动词
rain 名词
1. It rains cats and dogs.
归 纳：由一种词性转化为另一种或 几种 词性，词
形不变， 发生变化，这样的构词方法叫做转化法。
词性
Guess the meanings of the underlined words and their part of speech(词性)
1.Taylor Swift is her favourite singer.
2.She loves a lot of singers but Taylor Swift is her favourite.
n.意为“最喜爱的东西或人”
a.意为“最喜爱的”
3.Tourists must try hot pot when they visit Sichuan.
4.Hot pot is a must for all tourists to taste in Sichuan.
n.意为“必须做（买、看）的事”
v.意为“必须做”
5.The child was looking at the chocolate cake with his greedy eyes.
6.The child was eyeing the chocolate cake greedily.
v.意为“注视”
n.意为“眼睛”
Practice
猜测词义
1.(2024·新课标I卷)These plants included modern Western favourites such as rosemary, lavender and fennel. The garden also contains a winding path that guides visitors through the twelve regions of the Silk Road.
2. More than 7 million Internet users were attracted by a live stream themed"When technology meets the beauty of traditional opera" this year.
n.喜爱的事物
v.以...为主题
三. 缩略法 Abbreviation
首字母缩略 United Nations → _________ 联合国
Very Important Person → _________ 贵宾
缩短词 examination → _________ 考试
application → _________应用
拼缀词 smoke + fog = _________ 烟雾
UN
VIP
exam
app
smog
3. 缩略 Abbreviation
Practice
猜测词义
1.(2024·新高考I卷) “Biodiversity apps can use our study results to inform users of oversampled areas and lead them to places—and even species—that are not well-sampled. To improve the quality of observational data, biodiversity apps can also encourage users to have an expert confirm the identification of their uploaded image.”
2.(2024·新高考Ⅱ卷) Given the astonishing potential of AI to transform our lives, we all need to take action to deal with our AI-powered future, and this is where AI by Design: A Plan for Living with Artificial Intelligence comes in.
n. 应用程序application
n. 人工智能artificial intelligence
四. 派生法 Derivation
unbelievable
词根 root
前缀 prefix
后缀 suffix
meaning (意思)
part of speech (词性)
4. 派生法 Derivation ☆☆☆☆☆
改变单词的______
改变单词的_________
归 纳：派生是由一个词根加上_______或_________，构成另一个词。 这样的构词法叫做派生法。前缀：一般改变 ；后缀：一般改变 。
前 缀
后 缀
一个英语单词可以分为三个部分：
前缀（prefix），词根（root word），后缀（suffix）
词义
词性
派生法:
1.形容词+ly变副词规律；
2. 动词/名词变形容词常见的后缀；
3. 动词变名词后缀；
4. 形容词变名词后缀；
5. 表示‘人’的后缀；
6. 表示否定或否定意义的前缀和后缀；
7.变动词的前缀和后缀。
quick --_____________
angry--_____________
possible--____________
simple--______________
dramatic--___________
一. 形容词+ly变副词规律；
quickly
angrily
possibly
simply
dramatically
规则:
一般情况下+ly;
辅音字母+y,改y为i+ly;
以ble结尾，将ble改为bly;
以le结尾，去e+y;
以ic结尾，+ally;
注意:
1. 有一些形容词是以ly结尾的:
如: friendly, lovely, lonely
2. 常见的形容词，副词同形的词；
如:　fast adj. 快速的 adv. 迅速地
alone adj. 独自的 adv. 单独地
hard adj. 努力的 adv. 努力地
二. 动词/名词变形容词常见的后缀；
1. –able
2. –al
3. –ful
4. –ive
5. –ous
6. –ic
单词:
comfort--_________________
suit--___________________
person--________________
harm--___________________
effect--________________
humor--________________
economy--____________
comfortable
suitable
personal
harmful
effective
humorous
economic
三. 动词变名词后缀；
--al
2. –ance/ence
3. --ion
4. –ment
5. –ure
6. –y
单词:
arrive--_______________
appear--______________
exist--_________________
act--________________
argue--________________
fail--__________________
recover--______________
arrival
appearance
existence
action
argument
failure
recovery
四. 形容词变名词后缀；
--dom
2. –ness
3. –th
4. –ty
5. –ity
6.–ce
单词:
free--_________________
weak--________________
warm--________________
safe--__________________
disable--_______________
important--_______________
freedom
weakness
warmth
safety
disability
importance
五. 表示‘人’的后缀；
1.—er
2. –or
3. –an
4. –ian
5.-ist
6. –ant
单词:
teach--_______________
invent--_______________
America_______________
music--________________
special--________________
assist--__________________
teacher
inventor
American
musician
specialist
assistant
六. 表示否定或否定意义的前缀和后缀；
dis –
2. il–
3. im–
4. in–
5. mis–
6. un–
7.–less
单词:
agree--_______________
legal--________________
polite--________________
formal--_______________
lead--__________________
usual--_____________
hope--______________
disagree
illegal
impolite
informal
mislead
unusual
hopeless
七.变动词的前缀和后缀。
en—
2. –en
3. –ify
4. –ize
单词:
able--________________
sharp--______________
simple--______________
apology--_____________
enable
sharpen
simplify
apologize
Practice
语法填空
(2025·浙江1月) Tanya's shop offers fashion clothes for women to rent (rent)rather than purchase them outright, providing a less expensive (solve) to one-time event dressing.
(2025·全国Ⅰ卷) "In a Go game, each move should serve a long-term goal. You try to lead the opponent into your trap and force them to follow your (guide)' till they lose,"explains Wang Wei,a Go player among the visitors to the exhibition.
(2024·新课标Ⅰ卷) The latest engineerng (engineer) techniques are applied to create this protective (function) structure that is also beautiful.
(2023·新高考II卷) Since June 2017, right before the (arrive) of the two new pandas, Meng Meng and Jiao Qing, I have been helping the panda keepers at the zoo to feel more comfortable and confident speaking English.
(2021·新高考Ⅰ卷)The GPNP's main goal is to improve connectivity between separate populations and homes of giant pandas, and (eventual) achieve a desired level of population in the wild.
solution
guidance
functional
arrival
eventually
Discussion
eventually
rarely
finally
slowly
probably
ly
happily
initially
Hoping you like the tigers with wings and get good grades in the coming exam.
Thanks for listening.

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