八年级英语上册 Unit 3 I’m more outgoing than my sister Section A 2a2c导学案（版新）人教新目标版.doc

unit 3 im more outgoing than my sistersectiona 2a-2c执 笔审 核课 型课 时1授课班级授课时间姓 名学案编号no .2【课 题】unit 3 im more outgoing than my sistersectiona 2a-2c教师复备栏或学生笔记栏【学习目标】1、能够熟记并正确使用下列单词：as, way, both, however, laugh.了解其它单词。2、能够熟记并正确使用下列短语：more than, be good at .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【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。培养观察能力、分析能力。【学法指导】speaking, listening & writing【教学过程】【教学过程】一、 导入（启发探究 3分钟）step 1学过的部分双音节和多音节描述性形容词 adjectives sentences 多音节词部分双音节词 interesting this story is interesting. beautiful 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. _ sentence 2. _ sentence 3. _ sentence 4. _step 3. learn :多音节词和部分双音节词形容词比较级规则变化 *在多音节和部分双音节词的词前加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 beautiful most/least beautifulserious more/less serious most/least seriouspopular more/less popular most/least populartired more/less tired most/least tiredworried more/less worried more/less worriedpleased more/less pleased most/least pleased用法举例： interesting : this story is more interesting than that one . beautiful : this park is more beautiful than that one . _ _step 4写出下列各词的比较级 1. long 2. good 3. heavy 4. short 5. tall _6. loudly 7 .thin 8. lazy 9. outgoing 10. fast. 11.early 12. friendly 13. many/much 14. funny 15. important_ 16. clearly 17. hard-working step 5.用所给词的适当形式填空. 1. i think tara is _ than lucy . (outgoing) 2. tom is a little _ than jim .(serious) 3. lucy is much _ than lily . (athletic) 4. pop music is _ than the classical music（古典音乐）.(popular) 5. this car is even _ .(expensive) 6. these flowers are so _ .(beautiful)二、自学（自主探究 6分钟）1、拼读单词、记忆汉语。hard-working hd wkadj.勤勉的；努力工作的 competition kmptn n.竞争；比赛fantastic fntstk adj.极好的；了不起的 which adj.哪一个；哪一些 pron.哪一个；哪些 clearly klli adv.清楚地；显然地 win wn v.赢；赢得；获胜；获得 n.胜利 2、学习2a：归纳比较等级的构成形容词与副词的比较级大多数形容词（性质形容词）和副词有比较级和最高级的变化，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-er，-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，-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-le结尾的双音节词只加-r，-stnice（好的）large（大的）nicerlargernicestlargest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-er， -esteasy（容易的）busy（忙的）easierbusiereasiestbusiest少数以-er，-ow结尾的双音节词末尾加-er，-estclever（聪明的）narrow（窄的）cleverernarrowercleverestnarrowest其他双音节词和多音节词，在前面加more，most来构成比较级和最高级important（重要的）easily（容易地）more importantmore easilymost importantmost easily2不规则变化原级比较级最高级good（好的）well（健康的）betterbestbad（坏的）ill（有病的）worseworstold（老的）older/elderoldest/eldestmuch/many（多的）moremostlittle（少的）lessleastfar（远的）farther/furtherfarthest/furthest三、交流（合作探究 10分钟）学习.2b listen1. 看图画，猜测tina和tara的异同点2. listen and complete activities 2b .3. 听音填空 interviewer : tina , do you think you are different from tara ? tina : oh , sure . were very different . im _ than tara . and im _ . lets see , what else ? oh , im _ , too . interviewer : so, tara , are you _ than tina ? tara : i guess so . but im _ than tina . and im _ .4、读对话，找出比较级并在其下划线。a: thats tara, isnt it?b: no, it isnt. its tina. tina is taller than tara. and she also sings more loudly than tara.julie: did you like the singing competition yesterday, ann?anna: oh, it was fantastic! nely sang so well!julie: well, i think lisa sang better than nely.anna: oh, which one was lisa?julie: the one with shorter hair. i think she sang more clearly than nely.anna: yes,but nely danced better than lisa.julie: you can tell that lisa really wanted to win ,though.anna: well, everyone wants to win. but the most important thing is to learn something new and have fun.5、pairwork . 1. ask and answer questions about sam and tom . a: is tom smarter than sam ? b: no , he isnt . sam is smarter than tom . 四、总结（引深探究 15分钟）2c总结比较级的运用 当a 和b做比较时时，用“比较级+ than +比较对象”来表示。如：my room is smaller than yours. 我的房间比你的小。she got there earlier than i did. 她比我到得早。注意：一般来说，比较对象为人称代词时，用主格或宾格均可。但是，当句子中谓语动词为及物动词时，人称代词用主格或宾格意义不同。如：i like you better than he (likes you). 我比他更喜欢你。 i like you better than (he likes) him. 我喜欢你胜过喜欢他。根据句意填入单词的正确形式：1. my brother is two years _(old)than me.2. tom is as _(fat) as jim.3. is your sister _(young) than you? yes,she is.4. who is _(thin),you or helen? helen is.5. whose pencil-box is _(big),yours or hers? hers is.6. marys hair is as _(long) as lucys.7.ben _ (jump) _ (high) than some of the boys in his class.8._ nancy sing _ (well) than helen? yes, she _. 9.fangfang is not as _ (tall) as the other girls.10.my eyes are _(big) than _ (she). 11.which is _(heavy),the elephant or the pig?12.who gets up _(ear