《八年级上册Unit3I'mmoreoutgoingthanmysister千佛.docx》由会员分享,可在线阅读,更多相关《八年级上册Unit3I'mmoreoutgoingthanmysister千佛.docx(7页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、初中八年级英语教学案执笔周倩审核课型语法课授课班级班授课时间姓名周倩【课题】Unit 3 Im more outgoing than my sisterComparative and Superlative forms of adjectives & adverbs【学习目标】1、能够熟记并正确使用下列单词:tall.heavy,fast,expensive,cute 了解其 它单词。2、能够熟练掌握形容词副词比较级和最高级的变化规则。3、通过观察分析,对人物进行比较,寻找不同和相同点。培养观察能 力、分析能力和表达能力【学习重点难点】通过观察分析,对人物进行比较,寻找不同和相同点。培养观察能
2、力、 分析能力。【学法指导】Speaking, listening & writing【教学过程】Stepl形容词和副词的三种等级:原级,比较级,最高级学过的部分双音节和多音节描述性形容词adjectivesSentencesinterestingThis story is interesting.多苜1词Lbeautiful This park is beautiful.Step 2 .单音节词和部分双音节词形容词举例运用Sentence 1. The red car is cute.The blue car is cuter ihan the red car.The orange car
3、is the cutest of all.Sentence 2. The bee is flying fastThe bird is flying fasterThe plane is flying the fastestSentence 3. The red apple is big.The green apple is bigger than the red one.The white apple is the biggest of all.Sentence 4. The first elephant is heavy.The second elephant is heavier.【教学过
4、程】The third elephant is the heaviest.观察以上句子中红色部分比较级和最高级的变化形式,寻找形容词和副 词的变化规律。St叩3. Learn :多音节词和部分双音节词形容词比较级规则变化*在多苜石和部分双音节词的词刖加more(更)/less(较不),most(最least(最不);另外,由过去分词转化而成的形容词,不论多少个音节都用这种形式。如:beautiful more/less beautifulmost/least beautifulseriousmore/less seriousmost/least seriouspopularmore/less
5、popularmost/least populartiredmore/less tiredmost/least tiredworriedmore/less worriedmore/less worriedpleasedmore/less pleasedmost/least pleased形容词与副词的比较级大多数形容词(性质形容词)和副词有匕H交级和最高级的变化,即原级、比较级和最高级,用来表示事物的等级差别。原级即形容词的原形,比较级和最高级有规则变化和不规则变化两种。1 .规则变化单音节词和少数双音节词,加词尾,-est来构成比较级和最高级。构成法原级比较级最高级一般单音节词末尾加-er
6、, -esttall (高的)great (巨大的)tallergreatertallestgreatest以不发音的e结尾的单音节 词和少数以上结尾的双音节词只加-r , -stnice (好的)large (大的)nicerlargernicest largest以一个辅音字母结尾的闭音 节单音节词,双写结尾的辅音字母,再加-er , -estbig (大的)hot(热的)biggerhotterbiggesthottest,以辅音字母+y”结尾的双音 节词,改y为i,再加 ,-esteasy (容易的)busy (忙的)easierbusiereasiestbusiest少数以-er,-
7、ow结尾的双音clever (聪明cleverercleverest节词末尾加-er, -est的)narrow (窄的)narrowernarrowest其他双音节词和多音节词,在前面加more , most来构成 匕徽级和最高级important (重要 的)easily (容易地)more importantmore easilymost importantmost easily2.不规则变化原级匕瞰级最高级good (好的)well (健康的)betterbestbad (坏的)ill (有病 的)worseworstold (老的)older/elderoldest/eldestmu
8、ch/many (多的)moremostlittle (少的)lessleastfar (远的)farthcr/furthcrfarthcst/furthcstStep4总结比较级的运用形容词副词比较级和最高级的构成.构成的规则变化:1 .构成的不规则变化:1 .构成的规则变化:1)单音节词和少数双音节词T殳在词尾后加构成匕俄级或-est构成最高级.如:原级 匕限级 最高级coldcoldercoldestbrightbrighterbrightestyoungyoungeryoungest2)以字母e结尾的词只加-r或-st构成比较级和最高级。原级匕版级最高级nice nicer nices
9、tfine finer finestlarge largerlargest3)重读闭苜书词末尾只有一个辅音字母时,先双与这个辅音字母,再加-er或-est。如:big - bigger - biggestthin - thinner - thinnest4)以“辅音字母+ y”结尾的双音节词,先改y为i,再力口-er 或-est。如:easy - easier - easiest happy - happier - happiest5)多音节词和部分双音节词在词刖加more或most,如:delicious more delicious most deliciousinteresting mo
10、re interesting most interestingimportant more important most important2.构成的不规则变化:(有多有少,有好有坏,有远的有老的).good / well - better - bestbad / badly/ill - worse - worstmany / much - more - mostlittle - less - leastfar - farther / further - farthest/ furthestold-older/elder-oldest/eldest卜面是一个形容词副词比较级和最局级变化的顺口溜
11、,帮助大家记忆, 我们一起来看一下:比较级要变化,一般词尾加女.词尾若有哑音e ,直接加r就可以。一辅重读闭音节,辅音字母要双写。辅音字母加个y ,定要把y改成i。最高级加-esl ,前面加the莫忘记。形谷词右是多苜电,只把more,most刖面与。Step 5.练习:写出下列各词的比较级和最高级1. longlongerlongest2. wetwetterwettest3. bigbiggerbiggest4. latelaterlatest5. fewfewerfewest6. cheapcheapercheapest7. popular more popular most popular8. beautiful more beautiful most beautiful9. delicious more delicious most delicious教学反思本节课主要教授形容词副词在比较级和最高级中的变化规则,口语 中运用较多,比较贴近生活。首先学生要掌握形容词和副词的使 用,懂得运用形容词来描述事物,用副词来造句。本次课也很侵袭 的罗列了变化规则,顺口溜能帮助很好的记忆,不足之处是单词和 句子举例不够丰富。