《八上unit3SectionA1.ppt》由会员分享，可在线阅读，更多相关《八上unit3SectionA1.ppt（31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、 Unit 3 Im more outgoing than my sister.Section A 1a-1c描述人描述人的外貌特征的外貌特征tallshortWhat does he look like?He is tall/short.He is of medium height.medium heightfat/heavythinmedium buildHe is heavy/fat/thin.He is of medium build.short hairlong hairWhat does she look like?She has short/long hair.Match eac
2、h word with its opposite.tall loudlythin short hairlong hair heavyquietly shortMike is a student.He studies English .(good,well)Jane is .She often sits after class.(quietly,quiet)I am a girl.Im very .,I find an interesting job.(luck,lucky,luckily),goodwellquietquietlyluckyluckyLuckily1.形容词和副词的比较级和最高
3、级。形容词和副词的比较级和最高级。2.大多数形容词和副词有三个等大多数形容词和副词有三个等级：原级、比较级、最高级。级：原级、比较级、最高级。Grammar 用法 比较级比较级 1、表示两者表示两者(人或事物人或事物)的比较。的比较。eg.I am taller than Tom.My dress is more beautiful than hers（名词性物主代词）（名词性物主代词）.结构：主语结构：主语+谓语（连系动词）谓语（连系动词）（+具体数具体数字）字）+形容词形容词/副词的比较级副词的比较级+than+比较对象比较对象eg.Im 3cm shorter than my siste
4、r.2、“Which/Who is+比较级比较级？”比较比较A、B两事物两事物,问其中问其中哪一个较哪一个较时用此句型。时用此句型。e.g.Which T-shirt is nicer,this one or that one?Who is more active,Mary or Kate?3、asas意为意为“与与一样一样”,否定形式否定形式“not as/soas”意意为为“不如不如,与与不一样不一样”，中间，中间用形容词或副词的原级。相当于用形容词或副词的原级。相当于“less+形容词形容词/副词副词+than”eg:Tom works as hard as Jim.Lucy isnt
5、so tall as Mary.比较级构成的规则变化比较级构成的规则变化:1、单音节词和少数双音节词一般在词尾加、单音节词和少数双音节词一般在词尾加 er eg.cold colder hard harder 2、以、以e结尾的单音节词和少数双音节词只在结尾的单音节词和少数双音节词只在词尾加词尾加r.nice nicer late later 3、以辅音字母加、以辅音字母加y结尾的，改结尾的，改y为为i再加再加er.heavy heavier busy busier 4、重读闭音节词末尾只有一个、重读闭音节词末尾只有一个辅音辅音字母字母时时,先双写这个辅音字母先双写这个辅音字母,再加再加-er
6、。big bigger thin thinner red redder wet wetter 5、多音节词和部分双音节词在词前加、多音节词和部分双音节词在词前加 more。eg.delicious more delicious interesting more interesting hard-working more hard-working 构成的不规则变化构成的不规则变化:eg:good/well better bad/badly worse many/much more little less far farther/further old older/elder1b Listenin
7、g1231.If you want to be thinner and healthier,youd better eat _food and take _exercise.A.more,fewer B.more,less B.C.fewer,more D.less,morePractice 2.He is _of the two boys.A.tall B.taller B.C.tallest D.the tallerC.表示表示“两者间更两者间更的一个的一个”，用，用the+比较级比较级3.Hes not so _as his brother.A.strong B.stronger B.C
8、.the stronger D.the strongest4.Mum,this T-shirt is much too small for me.Would you buy me a _one?A.good B.better B.C.large D.larger5.Which do you like _,tea or coffee?A.good B.better B.C.best D.the betterHomework翻译：1、她唱得比Lily大。2、Lisa的头发比Mary的长。3、她和她的姐姐一样友好。4、谁在学校比较用功？4、在形容词比较级前还可用在形容词比较级前还可用much,eve
9、n,still,a little来修饰来修饰,表示表示“的多的多”,“甚至甚至”,“更更”,“一点点一点点”。e.g.This city is much more beautiful than before.Shes a little more outgoing than me.Its a little colder today.5、“比较级比较级and比较级比较级”意为意为“越来越越来越”。多音节比较级用。多音节比较级用“more and more形容词原级形容词原级”形式。形式。Its getting worse and worse.The group became more and mo
10、re popular.4、“the+比较级，比较级，the+比较级比较级”意为意为“越越，就越，就越”。eg:The more you read,the more you know.你书读得越多，你知道得就越多。你书读得越多，你知道得就越多。Thank you Thank you for for listening!listening!2a 2b Listening-er/-ierfunny quiet smartoutgoing athleticseriousmore_ _Tina is Tara is funniermore outgoingmore athleticmore seriou
11、squietersmarterFill in the charts.最高级最高级 表示三者或三者以上表示三者或三者以上(人或事物人或事物)的的比较比较,其中有一个在某一方面超过其他其中有一个在某一方面超过其他几个时几个时,用最高级。最高级的前面一般用最高级。最高级的前面一般要加定冠词要加定冠词-the,后面可带后面可带 of(in)短短语来说明比较的范围。语来说明比较的范围。e.g.She is the youngest in the class.Jason is the tallest of the three.Whose handwriting is the best of all?构成的不规则变化构成的不规则变化:eg:good/well better best bad/badly worse worst many/much more most little less least far farther/further farthest/furthest