Unit1Grammar课件2022-2023学年牛津译林版英语八年级上册

Grammar tall tallest taller Look and say long longer longest Rule1:大部分单音节 + er/ est Look and say Look and say nice nicer nicest Rule2 ：以e结尾的 + r/ st nice nicer nicest late later latest wide fine large wider widest finer finest larger largest 比较级 最高级 The first pig is quite . The second pig is much . The third pig is of all. Look and say fat fatter the fattest Rule3 ：重读闭音节， 双写尾字母+ er/ est 6 slim slimmer slimmest big bigger biggest red thin redder reddest thinner thinnest 比较级 最高级 The black and white dog is of the three. The yellow dog is even . The white dog is very . Compare them happy happier the happiest Rule4 ：以辅音字母+y 结尾的去y + ier/ iest happy happier happiest heavy heavier heaviest funny easy funnier funniest easier easiest 比较级 最高级 Conclusion We use comparatives to compare two people or things when we see … in the sentence 2. We use superlatives to compare three or more people or things when we see … than, much, even, still, a little, of the two , Which/Who is …, A or B? etc. the, of…, in …, Which/Who is …, A, B or C? etc. We add ‘the’ before the superlatives. 构成方法 原级 比较级 最高级 long few cheap longer fewer cheaper longest fewest cheapest nice safe late nicer safer later nicest safest latest big hot thin bigger hotter thinner biggest hottest thinnest pretty unhappy heavy prettier unhappier heavier prettiest unhappiest heaviest 大部分单音节词在词尾加-er或-est 以字母e结尾的词，加-r或-st 重读闭音节词只有一个辅音字母时，应先双写辅音字母，再加-er或-est 以辅音字母+y结尾的双音节词，先改“y”为“i”,再加-er或-est Form Comparatives and Superlatives 构成方法 原级 比较级 最高级 nervous clearly dangerous frightened more nervous more clearly more dangerous more frightened most nervous most clearly most dangerous most frightened 不规则变法 good / well better best bad /badly/ill worse worst many / much more most little less least far farther（更远的） farthest further（进一步的） furthest old older / elder oldest / eldest 部分双音节词和多音节词在前面加more或