Unit1 Friends Grammar 课件 2022-2023学年牛津译林版八年级英语上册

Unit1 Friends Grammar 语法 Comparative and superlative adjectives 形容词的比较级和最高级 1 教学目标: 1.初步认识形容词; 2.会变化形容词的比较级; 3.会简单运用形容词的比较级。 形容词:作定语或表语: a beautiful girl a wonderful story The book is interesting. 大多数形容词有三个等级: 原级(原形): small beautiful 比较级 : smaller more beautiful 最高级 : smallest most beautiful The white dog is very happy. The black and white panda is the happiest of the three. The yellow dog is happier. Compare them 当我们将两个人或事物进行比较时,我们要用形容词的比较级,表示 “较… …”, “更… …一些”,“比… …更… …”。 We use comparatives + than to compare two people or things. A adj.~er + than B A more adj. + than B The first pig is quite fat. The second pig is much fatter. The third pig is the fattest of all. Compare them 当我们将三个或三个以上人或事物进行比较时,我们要用形容词的最高级,表示 “最...”, 最高级前通常要加the。 superlative ... the adj.~est of/in ... ... the most adj. of/in ... Good, better, best, Never let it rest, And till good is better, Better is best! A Poem 1. 比较级和最高级的构成 (1)规则变化 类别 构成方法 原级 比较级 最高级 单音节词和少数双音节词 直接在词尾加 er, est young tall long small younger taller youngest tallest 以不发音的字母e结尾的加 r, st nice large fine nicer larger nicest largest 类别 构成方法 原级 比较级 最高级 单音节词和少数双音节词 以重读闭音节结尾,如末尾只有一个辅音字母,则双写这一辅音字母,再加 er, est big fat hot slim bigger fatter hotter biggest fattest hottest 以辅音字母加y结尾,变y为i,再加 er, est happy easy early pretty happier easier earlier happiest easiest earliest 类别 构成方法 原级 比较级 最高级 多音 节词 和部 分双 音节 词 有些双音节词和多音节词,在词前加more, most important/ careful/ interesting/ beautiful more important /careful /interesting most important/ careful/ interesting (2)不规则变化(2018.34) 原级 比较级 最高级 good/well better best (2018.34) bad/badly worse worst many/much more most little less least far farther/further farthest/furthest old older/elder oldest/eldest Daniel is writing about his classmates. Help him complete the following table. clean cleaner cleanest thin short sad cute difficult happy interesting lazy good big bad shorter shortest cuter cutest happier happiest lazier laziest bigger biggest thinner thinnest sadder saddest more difficult most difficult mo