人教新目标英语八上形容词的比较级和最高级课件-(共29张).ppt

形容词和副词的比较级和最高级 形容词和副词的比较级和最高级的构成是基本相同的,请同学们完成下列练习 走喽! 看谁最棒！ 词 尾 变 化 原级 比较级 最高级 单音节词在词尾加-er(比较级)或-est(最高级)以字母e接尾的词加r或st Tall hard large wide 以重读闭音节结尾的词末尾只有一个辅音字母应双写辅音字母再加er或est Big hot thin fat wet 以辅音字母+y结尾的词变为i再加er,或est Happy dry early 少数以er,ow结尾的双音节词可加er或est Narrow clever 多音节词和多数双音节词在其前面加more 和most Difficult popular slowly 1. 规则变化 Taller harder larger wider Tallest hardest largest widest Bigger hotter fatter wetter Biggest hottest fattest Wettest Happier drier earlier Happiest driest earliest Narrower cleverer Narrowest cleverest More difficult more popular More slowly Most difficult most popular Most slowly 形容词和副词比较级和最高级构成 1.long fast young tall 2.fine late nice large 3.thin big longer longest younger youngest 一般在词尾加 er, est 以字母e 结尾的词,加 r,st 重读闭音节词只有一个辅音字母时,双写辅音字母,加 er,est finer finest later latest thinner thinnest bigger biggest taller tallest faster fastest nicer nicest larger largest 大 热天，胖子湿了，瘦子红眼了 big, hot, fat, wet, thin, red 以辅音字母加“y”结尾的双音节词,先改“y”为“i” 再加er,est luckier luckiest 4.easy lucky easier easiest 5.beautiful serious more beautiful most beautiful more serious most serious 部分双音节词和多音节词在前面加more或most 形容词和副词比较级和最高级构成 early slowly quickly earlier earliest more slowly most slowly more quickly most quickly 注意：以“ly”结尾的副词，除early外，其后 一般 加more 或most. 不规则变化 good/well bad/badly/ill many/much little far old better best worse worst more most farther farthest further furthest less least older oldest elder eldest 比较级用于两者之间的比较通常用连词than 引导，表示“较······”或“更······一些”的意思. 最高级用于三者或三者以上,形容词的最高级前面一定要有定冠词 the，副词的最高级前可加不加。后面可带of，in短语来说明比较的范围 Our school is bigger than theirs