比较级和最高级课件.ppt

* TOM ED JILL nice nicer nicest Tom is nice. Ed is nicer than Tom. Jill is the nicest of the three. 8yuan/a kilo 10yuan/a kilo 20 yuan/a kilo 1 2 3 The third chicken is cheap. The second one is cheaper. The first one is the cheapest of all. 比较级用法： 形容词比较级用于两者（人或事物）之间的比较，表示其中一个比另一个“更……”或“较……”，后面用连词than连接另一个所比较的人或事物。例如： 1.That ruler is longer than this one. 2.Mary is younger than me(I). 二、形容词和副词的比较级和最高级构成： 规则变化 1单音节词在词尾加-er比较级， 加-est最高级。 原级 比较级 最高级 tall taller tallest young younger youngest long longer longest 2.以字母e 结尾的词只加-r或- st构成比较级和最高级。 nice nicer nicest fine finer finest 3.重读闭音节以一个辅音字母结尾的，应先双写辅音字母，再加-er 或-est. big bigger biggest 4.以辅音字母加-y 结尾的词，先把-y变为 I， 再加-er\ -est. easy easier easiest 5.部分双音节词和多音节词分别在原级前加more构成比较级和most构成最高级，eg. slowly---more slowly---most slowly； beautiful---more beautiful---most beautiful 不规则变化: 个别形容词的比较级和最高级是不规则变化 good (well)? ?? ? better? ?? ? best bad (badly, ill)? ? worse? ?? ?worst many (much)? ?? ? more? ?? ? most little? ?? ?? ?? ??? less? ?? ??? least far? ?? ?father?/further? ?? ?farthest/furthest *