人教版PEP小学英语六年级下册第一单元 课件.ppt

Lin Xinru is young. Liu Yifei is Liu Yifei is Lin Xinru. 18岁 28岁 younger. younger than The blue ruler is long. The red ruler is longer, The red ruler is longer than the blue ruler. fast faster ◇Look at the pictures and understand 看图并理解 填空题—比较级填空 1. A is 10 years old, B is 11 years old. —A is ______ than B. Tom is 160 cm, Lucy is 170 cm. —Lucy is _______than Tom. The elephant is 893 kg, the pig is 158 kg. —The elephant is _______than the pig. younger taller heavier Unit 1 How tall are you? 绿色圃中小学教育网 绿色圃中小学教育网 tall taller old older small smaller 绿色圃中小学教育网 绿色圃中小学教育网 young younger strong stronger short shorter 绿色圃中小学教育网 绿色圃中小学教育网 long longer big bigger ◇Look at the pictures and understand 看图并理解 A B 绿色圃中小学教育网 绿色圃中小学教育网 thin thinner heavy heavier 形容词比较级 大多数形容词和副词有三个等级： 原级,即原形 比较级,表示“较……”；“更……” Grammar 形容词和副词的比较级 最高级，表示“最…… 构成的规则变化: 1. 一般在词尾加 — er eg. cold – colder old — older 一、形容词的比较级变化形式 tall -- ________ 7. small-- _______ 2. short-- ________ 8. cool--________ 3. strong--________ 9.cold-- ________ 4. old -- ________ 10.warm--_______ 5. young--________ 11.deep --_______ 6. long -- ________ 12.light -- _______ taller shorter stronger older younger longer smaller cooler colder warmer deeper lighter 2. 重读闭音节词末尾只有一个辅音字母时, 先双写这个辅音字母, 再加-er. big – bigger thin – thinner 3. 以“辅音字母+ y”结尾的双音节词，先改y为i, 再加-er。 easy – easier happy – happier 重读闭音节双写的练习 big-- _______ thin-- _______ fat -- _______ hot -- ______ wet -- ______ sad -- ______ bigger thinner fatter hotter wetter sadder 以前学的ing格式也遵守重读闭音节要双写的原则。如run-running，swim-swimming。 去y为i+er的练习 heavy--_______ funny--_______ happy--_______ heavier funnier happier 以前学习名词的复数和单三形式时，格式也遵守不发音的y要去y为i+es的原则。 如butterflies fly--flies 4.多音节词和部分双音节词在词前加 more。 eg. delicious – more delicious interest