【八年级英语复习专题-比较级最高级PPT课件.ppt

形容词比较级和最高级专项复习 山城育才学校 卢惠玉 Ⅰ.形容词比较等级的含义 大多数形容词有三个等级： 1)原级，即原形。 2)比较级，表示“较……”或“更……一些”的意思。 3)最高级，表示“最……”的意思。 Ⅱ。形容词比较等级的规则变化 写出下列单词的比较级和最高级（必答） 1.young .fast 2.large nice 3.easy heavy 4.big red 5.beautiful interesting younger youngest faster fastest larger largest nicer nicest easier easiest heavier heaviest bigger biggest redder reddest more beautiful most beautiful more interesting most interesting 写出下列单词的比较级和最高级（必答） 6.clever lovely 7.good/well bad/ill  cleverer/more clever cleverest/most clever lovelier/more lovely loveliest/most lovely better best worse worst 小组讨论 (抢答) 3)以“辅音字母＋y” 结尾的双音节词，先改“y”为“i”， 再加--er或--est. 4)重读闭音节末尾只有一个辅音字母时，应先双写这个 辅音字母，再加--er或--est. 规则变化如下: 单音节形容词的比较级和最高级形式是在词尾加 -er 和 -est 构成。 2) 以 -e 结尾的单音节形容词的比较级和最高级是在词尾加 -r 和 -st 构成。 Ⅲ.形容词比较等级的基本用法 用所给形容词的正确形式填空 ①.Cats are (lovely)than other animals. ②.Which one is _______(big), the sun or the moon? more lovely 1)常用结构：①常用于“比较级+than”结构 bigger ②比较级，A or B 用所给形容词的正确形式填空①. The Great Wall of China is one of ___________(great)wonders in the world.②.I think English is ____________ (difficult) of all the subjests.③.She is __________(young) among them.④. Which is (big) the moon,the earth or the sun the greatest the most difficult the youngest 2) 常用结构：最高级 ①常用“the+最高级+比较范围”结构，比 较范 围常of,in,among引导的短语表达 the biggest ② the+最高级, A B or C B ①.The air in Beijing is getting much _____ now than a few years ago. A. clean????????B. cleaner????C. cleanest??? ?②. An orange ia a little _________ (big) than an apple, but a lot ________ (small) than a watermelon.? ③. This will make our job even———— (difficult)??? ???????? bigger smaller 3)形容词的比较级可用much,a little,a lot, even等修饰，使原来的比较级在语意上更加明确 more difficult 同义句转换，每格一词。 ①.Lilei is the tallest stu