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人教版 (PEP)六年级下册Unit 1 How tall are you? Part B图片ppt课件
展开How tall are you?第一单元复习 复习目标 1、掌握常见形容词的比较级和形容词比较级的构成。 2、掌握形容词比较级句型 A+be动词 ( am,is ,are)+形容词比较级+than(比)+B 及How引导的特殊疑问句:How + 形容词+be +主语? 形容词 比较级tallshortershorttalleroldolderyoungyounger一般直接在词尾+ er 形容词 比较级longsmallsmallerlongerstrongstronger一般直接在词尾+ er形容词 比较级bigthinthinnerbigger以“辅音+元音+辅音”结尾的词,双写末尾辅音+er 形容词 比较级heavyhappyhappierheavier以“辅音+y”结尾的词,变y为i+er形容词 比较级nicelargelargernicer以e结尾的,直接+r形容词比较级构成① 一般的直接在词尾加er ,如 tall - taller , strong - stronger ② 以e结尾的,直接加r ,如 nice - nicer ,③ 以辅音字母加y结尾的,先改y为i再加er,如funny – funnier④ 双写最后的字母再加er,如big - bigger, thin - thinner 除此之外,还有几个特殊的单词,它的比较级 和最高级都是不规则的,如:many / much(原形)- more(比较级)- most(最高级)little / few(原形) - less (比较级)- least(最高级)good(原形) - better(比较级) - best(最高级)bad (原形) - worse(比较级) - worst(最高级)写出下列单词的比较级形式。(Let’s check.)1.old____ young______ tall_____ short_____ small_____ strong_____ long_____2.big_____ thin ____ fat_____ hot____3heavy _____ funny_____ angry______olderyoungertallershortersmallerstrongerlongerbiggerthinnerfatterhotterheavierfunnierangrier重要句型形容词比较级句型当我们需要对事物作出比较,表示程度上“更高”时,需要用到比较级,常用连词than连接。 比较级的句子结构通常是: A + 动词be (am , is , are ) + 形容词比较级 + than(比)+ B .如: I'm taller and heavier than you. (我比你更高和更重。)例句:Liu Xiang is tall.Yao Ming is taller.Yao Ming is taller than Liu Xiang .How 引导的特殊疑问句How +形容词+be+主语?How tall are you?How heavy are you?How old are you?你多高?你有多重?你多大?根据汉语提示造句。How tall … 多高 这只大象多高?How heavy… 多重 这个书桌多重?How old… 多大(年龄) 小明多大了?How big… 多大 这个盒子多大?How long… 多长 这条河多长?How many …多少个,后加可数名词复数 你班有多少同学? How much …多少钱 这本书多少钱?从方框中选出合适的单词完成句子。Read and choose.(1) How is the Yellow River?(2) How is Mr Green? He‘s 1.75m.(3) How are your feet? I wear size 18.(4) How is the white T-shirt? It's 100 yuan.(5) How apples are there in the bag? There are 5.(6) How is the fish? It's 2kg.many big much heavy long talllongtallmuchbigmanyheavy第一单元语法主语+be+形容词比较级+than +名词/代词 .Than 是比较级的标志。 例如:Mike is taller than Amy. How+形容词+be+主语 ? 例如:How tall are you? How heavy are you? 3 主语+be +数字+计量单位+ tall /heavy. 例如:I am 1.64 m tall. I am 50 kg heavy.根据句意写出所缺的单词.(Think and write.)(1) I'm 12 years old. You're 14. I'm than you.(2) A rabbit's tail is than a monkey's tail.(3) An elephant is than a pig.(4) A lake is than a sea.youngershortersmallerheavier1. His friend is 1.45 m tall.(对划线部分进行提问)2. I am 45 kg.(对划线部分提问)3. She is 12 years old .(对划线部分提问4.My shoes are size 37. (对划线部分提问)按要求完成下列各题。一、写单词 更强壮的 更矮的 更高的 年龄更大的 更大的 更重的 更长的 更瘦的 二、按要求写单词: tall(反义词)______strong(比较级)_______ older(反义词) ______ funnier(原形)______ heavy(比较级)_____ thin(比较级)______ bigger(原形)_______ long(比较级)__________达标检测三、填空 1. She is _____________(tall) than me . 2. How ________ (heavy) are you ? 3. My hands are __________ (big) than yours. 4. How _________ (big) are your feet ? 5. She is 2 years ________ (old) than me . 达标检测
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