Unit2 Grammar （ppt课件） -2022新外研版（2019）《高中英语》必修第一册.pptx

1、Observe these colored words Observe these colored words from this unit.from this unit.1.Neither is there pine nor apple in pineapple.2.sculpt a sculpture.3.When we.see rain.,we can say“its raining”.4.WHO=pine+apple=sculpt+ure(suffix)n.v.=World Health Organization1.Abbreviation 缩略法缩略法2.Conversion 转化法

2、转化法3.Derivation 派生法派生法4.Compounding 合成法合成法 Focus on 基本用法缩略法主要采取缩略法主要采取“截头截头”、“去尾去尾”或者或者“既截头又去尾既截头又去尾”的方法生成新词的方法生成新词。Abbreviation(缩略法缩略法)by abbreviatingphonemath/mathsadfridgefluplanetelephoneairplaneMathematicsadvertisementrefrigerator influenzaCD(compact disk)CCTV(China Central Television)NBA(Natio

3、nal Basketball Association)UFO(unidentified flying object)UN(United Nations)USA(United States of America)另外还有许多缩写词是由各个单词的首字母组成另外还有许多缩写词是由各个单词的首字母组成 (initialism)(initialism)Conversion（转化法）（转化法）by changing the part of speech一个词从一种词类转化为另一种或几种词类的方法称为一个词从一种词类转化为另一种或几种词类的方法称为“转化转化法法”。如名词。如名词,形容词转化为动词。形容词转

4、化为动词。The child was eyeing the chocolate cake.She took a drink from the glass and then put it down.You must slow down or youll make yourself ill.n.v.，意为“注视”v.n.,意为“饮料”adj.v.,意为“放慢速度”Derivation(派生法派生法)by adding a prefix or suffix派生词一般有前缀(prefix)+单词，或单词+后缀(suffix)构成。前缀+单词一般不改变原词的词性，但要引起词义的变化，一部分可构成反义词。

5、I dislike waiting for anything.I had completely misread his intentions.mis-+read,意为意为“误解误解”dis-+like,意为意为“不喜欢，厌恶不喜欢，厌恶”前缀前缀单词单词+后缀后缀一般不改变原词的基本含义，只改变一般不改变原词的基本含义，只改变其词性。其词性。There is a growing need for qualified teachers of Business English.teach+-er,表示人，意为表示人，意为“教师教师”They will introduce a new washer

6、to the public.wash+-er,表示物，意为表示物，意为“洗衣机洗衣机”Not all people can make this achievement.achieve+-ment，抽象名词，意为，抽象名词，意为“成就，成绩成就，成绩”后缀后缀sunflowersunflowersunsunflowerflowerCompounding(合成法合成法)by combining two or more words复合名词复合名词 1.名词名词sunglasssunglasssunsunglassglassmoonlightmoonlightmoonmoonlightlightboo

7、kshelfbookshelfbookbookshelfshelffiremanfiremanfirefiremanman2.形容词名词形容词名词 loudspeaker,midnight,blackboard,software,mainland 3.v-ing名词名词 waiting-room,sitting-room4.动词名词动词名词 playground,watchtower,chopsticks,washroom handwriting,thanksgiving,roller-skating 5.名词名词v-ing6.动词副词动词副词 get-together,break-throu

8、gh7.副词动词副词动词downfall,outbreak 复合形容词复合形容词 1.形容词名词形容词名词v-edkind-hearted,short-sighted 2.形容词形容词v-inggood-looking,easy-going 3.副词副词v-inghard-working,ever-lasting4.名词名词v-ingEnglish-speaking,peace-loving5.名词名词v-edman-made,air-borne6.副词副词v-edwell-known,well-balanced 7.形容词名词形容词名词mid-east,round-tripdownstair

9、s,everyday,take-away,outdoor,one-way,part-time,two-month,secondhand,so-so,on-line,so-called8.其他其他复合副词其他复合动词 over+come=overcome fifty+four=fifty-four复合数词everyone,somebody,anything,nobody down+stairs=downstairs whole+heartedly=wholeheartedly 复合代词(副词+动词)(不定代词+名词)(形容词+名词)(副词+副词)a Neither is there pine n

10、or apple in pineapple.b sculpt a sculpturec When we see rain,we can say“its raining”d WHOP17 11.abbreviating2.changing the part of speech3.adding a prefix or bining two or more wordsMatch the colored words to the types of word formation.Can you find more examples of each type in the reading passage?

11、1 abbreviating:IT,US2 changing the part of speech:When we see snow,we can say“its snowing”.3 adding a prefix or suffix:paintpainting,hardhardly,softsoftly,harmharmless/harmful,shameshameless/shameful,visibleinvisible4 combining two or more words:hamburger,eggplant,seasick,airsick,carsick,homesick,homework,houseworkP17 1penfriend well-known incorrectunhappy improvementcalmpresenting WTO ASAPComplete the passage with the help of word formation.