Unit 2 Exploring English第三课时Using language课件

Word FormationUnit 2 Exploring English第三课时 Using Language1.掌握四种基本的构词法： 合成法，转化法，派生法，缩略法。2.通过构词法的学习，掌握构词规律，扩大词汇量。学习目标：If you meet the new words while reading, what will you do ? Guess the meaning! How ? When we deal with the problems in reading comprehension, we can use Word Formation to help us, but the context(上下文，语境) is also very important.How ?A bad-looking pickpocket stole my wallet.根据构词法猜词 首先要熟悉基本的构词法及其规律, 其次要掌握一定的词根和词缀。如:un-,im-, mis-, -less, -ness等。pick+pocket 扒手word formation(构词法)adding a prefix or suffix派生法combining two or more words合成法changing the part of speech 转化法 (词性转化)abbreviating 首字母缩略法前缀后缀Part 1 abbreviating (首字母缩略法)定义：即用单词首尾字母组成一个新词。有两种读音，一是各字母分开读；二是作为一个单词读。WHOWorld Health OrganizationInformation TechnologyVery Important Person[əˈbriːvieɪtɪŋ]ITSOSVIPSave Our ShipPart 2 changing the part of speech (转化法)定义：将一种词性的词转化为另一种词性，而词形不变。The little girl didn’t dare to face the mouse so she covered her face with her hands.（同一个词，有不同的词性）转化法It has a good taste.It tastes very good.handn.手v.递送wrong adj.错误的n.错的事{{We always walk hand in hand.Please hand me the book. There is something wrong with the car. He didn’t know the difference between right and wrong .clean{adj. 干净v.清扫Please keep tidy and clean.You have to clean the blackboard after class.pain-killer＋＝止痛药＋色盲＝color- blindPart 3 combining two or more words (合成法)定义：是指用两个或两个以上的词构成新词的构词法。合成词拆开后，仍有各自的意义。classroomreadingroomblackboardplayground课后活动蝴蝶白头发的男人三岁的儿子教室阅览室黑板球场after-school activitywhite-haired manbutterflyfive-year-old sonEnglish-speakinggood-lookingwarm-heartedsecond-handhard-workingunderground seafood 英汉互译。something海鲜说英语的热心的地铁/地下的好看的二手的努力的/勤奋的某事物加前缀： happy --- ___happy 加后缀： develop --- develop_______既加前缀又加后缀： employ --____employ_______unmentunmentPart 4 adding a prefix or suffix (派生法)定义：在词根上加上前缀或后缀，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。前缀一般会改变词义，而不造成词性的变化。后缀一般会改变词性，意思与词根相近。en- 动词前缀(改变词性）encourage enlarge常用前缀: (1) dis-: disagree, dislike, disappear (2) in-(il-, im-, ir-): incorrect, impossible, irregular, (3) un-: unhappy, unable, unfit, (4) non-: nonstop, nonverbal (非语言的) (5) re-: rewrite, review 形容词否定前缀动词否定前缀动词前缀：表示再，又 (1) 构成名词： (2) 构成形容词: (3) 构成动词: (4) 构成副词: (5) 构成数词: -er, -ese, -ist, -ian, -ment, -tion, -ness, -th.buyer, Chinese, socialist, musician agreement, collection, illness, truth -al, -an, -ful, -ing, -y, -less national, American, careful,exciting, cloudy, useless,active-fy, -is (z)e: beautify, realize-ly: badly-teen, -ty, -th thirteen, sixty, twelfth后缀：let's make a conclusion构词法首字母缩略法转化法合成法派生法1.definition：2.examples: 1.definition： 2.examples: 1.definition：2.examples:readingroom; mother-in-law; well-behaveddefinition：前缀：后缀：将一种词性的词转化为另一种词性，而词形不变。用单词首尾字母组成一个新词。WTO;VIP是指用两个或两个以上的词构成新词的构词法。合成词拆开后，仍有各自的意义。在词根上加上前缀或后缀，构成新词。改变词义， 词性，改变词性， 词义, unfamiliar; invisibletraditional; creativefaceExercise: rain(形容词) ________ agree(反义)__________ nation(形容词)_______ farm(人)__________ recent(副词)________ friend(形容词)________ hope(形容词)_______ create(形容词)_________ visit(名词)__________ home(形容词) ________ eight(序数词)________ true(名词)___________ America(形容词)_______ China(形容词)________按括号内的要求改写下列单词。rainynationalrecentlyhopefulvisitoreighthAmericandisagreefarmerfriendlycreativehomelesstruthChinese1. It is ________ (certain) fun but the lifestyle is a little unreal. (2017·全国卷Ⅲ, 70) 2. But then we got an official letter and we were blown away. We are so proud of her. It's __________ (wonder).” (2019年全国卷2, 70) 3. She is determined to carry on with her ________ (educate)．(2017·全国卷Ⅲ，66)5. (Luck), Andy didn't get the job.4. For my homework tonight, we have to write a __________(describe) of the street where we live.ExercisedescriptionUnluckilywonderfulcertainlyeducationP1P2P3penfriendwell-knownincorrectunhappyimprovementP4P5P6calmpresentingWTOASAPUse your imagination, you’ll get a different world.想象给生活插上翅膀，让我们在学习的天空中越飞越高！addition n.增加物；添加物；加法add v.添加；增加additional adj.额外的；增加的常用搭配1：in addition 除此之外；另外（跟句子） in addition to... 除...之外（还）（跟短语）常用搭配2：add up (把...)加起来 add...to...把...加到...1+2=3 add up to 总计达；结果是add to 增加1. (除...之外）reading for knowledge,we read for fun and inspiration.2.I don't quite like this colour of the coat. (除...之外），it costs too much.3.Exercising in the morning provides ( addition)benefits besides being physically healthy.4.The bad weather (增加) our difficulty yesterday.In addition toIn addition additional巧学助记：added toDear DoloresWhen I think of you，I'm reminded of the beautiful plains of Iowa.The distance between us is breaking my spirit.My time and experiences without you are meaningless to me.Falling in love with you was the easiest thing I have ever done.Nothing matters to me but you.And everyday I am alive, I'm aware of this.I loved you the day I met you, I love you today...And I will love you to the rest of my life.p.s. kiss my kids.remind v.提醒，使......想起 reminder n. [C] 令人回忆的事物；提醒者；提醒物.常用搭配：remind sb of /about sth.使某人想起某事（物）remind sb. to do sth. 提醒某人做某事remind sb. that+句子The pictures remind me my schooldays. My parents often remind me (study) hard.This story reminds us you can never know what＇s impossible unless you try to make it happen.He placed the brochure(小册子） on his desk as a .巧学助记：of/thatto studythatreminder 相当；颇 =quite(可用在too或比较级前）：It was a nice house, but rather too small for a family of five. The task is rather more difficult than I had expected. 有点儿；稍微（放在动词前）I rather think he was telling the trurh.rather adv.常用搭配：would rather do...than do...prefer to do... rather than do...would do...rather than do...宁愿做...也不愿做...The children prefer to walk rather than take a bus.(1)The children than a bus.(2)The children rather than a bus.wouldratherwalktakewouldwalktakecomment n. 评论，意见；批评，议论v.发表意见；评论常用搭配：no comment 无可奉告make comments on/about......就...作出评论comment on/upon 就...作出评论comment that+句子 评论说......;称......巧学助记：1.He made several unfavourable comments their performance.2.The former minister refused to comment his resignation.[ˌrezɪɡˈneɪʃn]3.Jean (comment)that it was a better play than usual.4.It's bad manners to make (comment)on someone's appearance.on/abouton/uponcommentedcommentsSee you!