Unit9 Sally is taller than Ben（课件）剑桥少儿英语二级上册

MA Unit9 Sally is taller than Ben 一.定义： 一般用于同类两个人或事物的比较。 形容词比较级 二.形容词比较级结构： <1>一般单音节词，少数双音节词 young---younger old---older short---shorter tall---taller long---longer strong---stronger weak---weaker quick---quicker fast---faster slow---slower loud---louder quiet---quieter small---smaller cold---colder clean---cleaner high---higher 形容词比较级 <2>以e结尾的单音节词 nice--nicer fine---finer large---larger ---词尾加r -----词尾+er 三.形容词比较级关键词&用法 1.but 用法: 原级,but+形容词比较级. 形容词比较级 This ruler is long, but that one is longer. Today is cold, but tomorrow is colder. Sally’s room is clean, but Ben’s (room) is cleaner. That ruler is longer than this one. Tomorrow is colder than today. Ben’s room is cleaner than Sally’s (room). A 原级 B 比较级 B 比较级 A 三.形容词比较级关键词&用法 1.but 用法: 原级,but+形容词比较级. 结构：A+be+原级，but B+be+比较级 2.than 用法：形容词比较级+than 结构：B+be+比较级 than A eg. Yao Ming is taller than Liu Xiang. 形容词比较级 1.This market is small,but that market is smaller. 2. The turtle is slow,but the snail is slower. 改写句子： That market is smaller than this market. The snail is slower than the turtle. 3.These trees are tall, but those trees are taller. Those trees are taller than these trees. 4. Our classroom is clean, but their classroom is cleaner. Their classroom is cleaner than our classroom. Fred is fatter than John. Paul is thinner and taller than Peter. John is shorter than Peter, but taller than Fred. Jim is shorter than all the others. Fred is taller than Jim, but shorter than John. Jim Paul Fred Peter John 1.肯定句： than引导的形容词比较级的肯定、 否定以及一般疑问句 Paul is taller than John. 2.否定句： Paul isn’t taller than John. 3.一般疑问句： Is Paul taller than John? Yes,he is. <No,he isn’t.> 4.特殊疑问句: Who is taller than John? Liu Yifei Jim Jim is thinner than Liu Yifei. thin big T