外研版 (2019)必修 第一册Unit 2 Exploring English试讲课课件ppt

这是一份外研版 (2019)必修 第一册Unit 2 Exploring English试讲课课件ppt，共42页。PPT课件主要包含了mooncake，moon，cake，sun，flower，inactive，变名词后缀补充等内容，欢迎下载使用。
Learning bjectives:
At the end f this lessn, students are able t:1.学生能够归纳出缩略法、转化法、合成法以及派生法四种常见英语构词法，培养学生归纳总结的能力。2、学生能够通过小组合作的形式，对前缀后缀进行总结，使知识更加系统化。3、学生能够对本节课所学的内容进行迁移和运用。
构词法(wrd frmatin)
合成法 (cmbining tw r mre wrds)
派生法 (adding a prefix r suffix)
转化法(changing the part f speech)
缩写(abbreviating)
Matching the wrds in bld t the types f wrd frmatin.
1. abbreviating (缩略构词法)2. changing the part f speech (转化构词法/词类活用法)3. adding a prefix r suffix (派生构词法/词缀法)4 .cmbining tw r mre wrds (复合构词法)
ApineappleSupermanSpider-Man Batman
BsculptureSupercalifragilisticexpealidcius
CWe can see rain. n.→v. It’s raining.下雨Dn’t want empty lve. adj.→v. Empty yur mind清空
DWHO (Wrld Health Organizatin)YMCA (Yung Men's Christian Assciatin) ASAP (As sn as pssible)
1. abbreviating (缩略构词法)2. changing the part f speech (转化构词法/词类活用)3. adding a prefix r suffix (派生构词法/词缀法)4 .cmbining tw r mre wrds (复合构词法)
Cmpunding 合成法
合成法:把两个或两个以上的独立且语义不同的单词 合成一个新词，构词方式较灵活。合成词的 词义通常可以由组成它的单词的词义推测出来。
news + papper = newspaperhair + cut = haircut
heart + felt = heartfeltkind + hearted = kind-hearted
baby + sit = babysitver + lk = verlk
every + ne = everynethrugh + ut = thrughut
pineapple
basketball
Cmpunding 合成法 --- 1.合成名词
(1) n.+n.: air cnditiner （空调） bld pressure（血压）
(2) adj. + n.：central bank （中央银行） fast fd（快餐）
(3) v-ing. + n.：washing machine（洗衣机） driving license（驾驶证）
(4) n. + v-ing. ：stry-telling（讲故事）； hand-writing（笔迹）
(5) adv. + v.： utbreak（爆发）； utput（产量）
(6) v. + adv.：breakdwn（故障）； feedback（反馈）
Cmpunding 合成法 --- 2.合成形容词
(1)词尾为过去分词或+ed: white-haired (白发的)； fur-legged (四条腿的) well-educated（受过良好教育的）；lng-lst (丢失已久的) hand-made（手工的）； middle-aged (中年的) kind-hearted (心善的)； heart-brken (心碎的)
(2)词尾为现在分词： gd-lking（好看的）; man-eating (吃人的) easy-ging（随和的）; hard-wrking (努力的)
(3)词尾为形容词： duty-free（免税的); hmesick（想家的); wrld-famus (世界闻名的) air-tight (密封的)；evergreen (四季常绿的)；
Cmpunding 合成法 --- 3.合成动词
underg（经历）underline （划线） uphld (维护)upset（使沮丧） dwnlad 下载verhear (不小心听见)　 verthrw (推翻) verwrk 加班verlk (忽视)vercme（战胜）sleep-walk (梦游)sunbathe (晒太阳)baby-sit (看孩子)　 brainwash 洗脑prf-read (校对)
Abbreviatin 缩略法
缩写:用单词或短语的部分内容指代整体。
as sn as pssible—ASAP
Wrld Trade Organizatin—WTO
advertisement—ad
labratry—lab
Abbreviatin 缩略法 --- 1.Acrnym 整体认读首字缩略
整体认读首字母缩略是将多个单词的首字母取出缩略为一个可以认读成一个词或若干音节的方法
Nrth Atlantic Treaty Organizatin
As sn as pssible
a wrd frmed frm the initial letters f the wrds in a phrase and prnunced as syllables like a wrd
Abbreviatin 缩略法 --- 2.Initialism 逐字认读首字缩略
a wrd frmed frm the initial letters f the wrds in a set phrase and prnunced as separate letters
逐字认读首字母缩略是将多个单词的首字母取出缩略为一个不可以按音节认读、只能逐个按字母读出的构词法。
Suburban Utility Vehicle
Pst-Traumatic Stress Disrder
Abbreviatin 缩略法 --- 3.Clippings 截短词
wrds frmed by drpping ne r mre syllables frm a lnger wrds r phrases with n change in meaning
截短词就是将长词的部分截去，留下一部分，可以截去词首and/r尾
advertisement
Cnversin 转化法
转化法:把一种词性转化为另一种词性，词形不变。 转化后的词义可以通过原词义推断得出。
1. Let’s talk abut it.2. I think we’d better finish the talk nw.
3. She gave me a glass f water.4. Yu shuld water the flwers twice a week.
5. She is wearing a black dress.6. The girl in black is very beautiful.
7. Tm is a brave man.8. He always braves the difficulties in life.
Cnversin 转化法---change the part f speech（词性）(改变单词的词性)
He fingered his eyes. 他用手指揉眼睛。He is always nsing int ther peple's business.他总爱管别人的闲事。
The city quieted dwn again. 城市又平静下来。Dn't dirty yur new dress.别把你的新衣服弄脏了。
The temperature reached a new high.气温达到新高。A single t Lndn, please. 请给我一张去伦敦的单程票。
Derivatin 派生法
派生法:在词根上加前缀(prefix)或后缀(suffix) ，构 成新词。前缀和后缀有一定的含义或功能， 有助于推测新词的词义。
一些常见的前缀、后缀及其含义或功能如下：
disagree, dislike, disappear
impssible, inexpensive
internatinal, intercnnect
mislead, misunderstand
nn-electrical, nn-smker
preschl, preview, prewar
retell, rewrite, reread
unable, unhappy
dancer, actr
arrangement develpment
leadershipfriendship
relatin, reflectin
washablecmfrtable
useful, muthful
careless, useless
dangerus, nervus
carefully, quickly
unhappy careless
前缀（prefix）+ 词根
词根+ 后缀(suffix)
unhappiness
inexpensive, incrrect, infrmal
impssible, implite, impatient
nn-stp, nn-smker
preschl, preview
unable, unhappy, unfair
legal→ illegal (不合法的)
irrespnsible (不负责的)
表示技能、地位、性质、状态
表示有……性质的,可……的
表示有……性质的，充满的
dancer, singer, actr, dctr
arrangement develpment
leadership friendship
relatin, reflectin, crrectin, rganisatin
washable cmfrtable
useful muthful
careless, useless, hmeless
carefully, quickly, cnfidently
-ist, -ian
artist, scientist, musician, magician
（做某事）的人 / …者
kindness
active, creative, attractive
-er: design → designer（设计者） -r: act → actr（演员）-ee: emply → emplyee（雇员）
-ist: art→ artist （艺术家）-ian: music→ musician（音乐家）-ant: assist→ assistant （助手）-ess: gd→ gddess (女神)
-ness: careless → carelessness（粗心）-ment: achieve→ achievement （成就）-dm: free→ freedm（自由）-tin: attract→ attractin （吸引力）-ance: accept→ acceptance （接受）-ence: depend→ dependence （依赖）-ture: mix→ mixture （混合，混合物）-y: recver→ recvery （恢复, 痊愈）
Vcabulary building:
Lk at the pictures and get t knw the American English wrds and their British equivalents.
apartment
Listening & speaking:
Each year, many additins are made t English dictinaries. Recent additins include “selfie” (a phtgraph that yu take f yurself, usually with a mbile phne) and “netizen” (a citizen wh uses the Internet) .Sme messaging abbreviatins have als been added, fr example, BRB (be right back), COZ (because) and G2G (gt t g).
Did yu knw?
Listen t three cnversatins and match them t the pictures.
Cnversatin 1
Cnversatin 2
Cnversatin 3
Listen again and cmplete the table.
the Guangdng
“laugh ut lud”