人教版八上英语第三单元复习课件解读.ppt

Pan Changjiang is ______ than Yao Ming. What does she look like? She is … short tall 形容词的级 1.形容词的原形就是原级，如2.比较级，表示较……或更……一些的意思。今天我们来学习加er，ier和more的比较级。 比较句型:A + be+比较级+than+B A比B更…… 原级 tall 比较级 _____ 姚明比潘长江高。 Yao Ming is_____ than Pan Changjiang. short--_____ 潘长江比姚明矮。 taller shorter taller shorter thin thinner heavy heavier 1.Julie is thinner than Judy. 2.Judy is heavier than Julie. Li Yong is funny. Pan Changjiang is funnier than Li Yong. 原级 funny 比较级 funnier Li Yong is more outgoing than Cheng long. Cheng Long is outgoing. Li Yong is more outgoing. quiet Zi Wei is ________ than XiaoYanzi . quieter outgoing XiaoYanzi is ___________ than ZiWei. more outgoing Li Lei is hard-working. Hai Meimei is also hard-working. Li Lei is as hard-working as Hai Meimei. as...as 和……一样，中间用 adj.和adv.的原形 Li Lei is not so/as hard-working as Hai Meimei. 形容词的比较级 语法加油站 语法加油站 大部分形容词、副词有比较级和最高级的变化： 原级——比较级——最高级。 1. 构成 形容词比较级的构成有规则变化和不规则变化两种。 语法加油站 语法加油站 规则变化： 情况 变化形式 举例 —般情况 在词尾直接加-er small—smaller 以e结尾 加-r large—larger 以辅音字母 y结尾 变y为i，再加 -er happy—happier 以一个元音字母加一个辅音字母结尾，且是重读闭音节 将该辅音字母双写再加-er fat—fatter thin—thinner 部分双音节和大部分多音节形容词 在原形前加more beautiful—more beautiful 语法加油站 语法加油站 不规则变化： 原级 比较级 good better bad, ill worse many, much more little less far farther/further 语法加油站 语法加油站 1)形容词的比较级可用much, a little, a lot, even 等修饰，使原本的比较级在语意上更加明确。 Apples are much bigger than oranges. The movie is even more interesting. 2)被比较事物中不能包括本身。 He is taller than any other student in his class. 他比班上其他学生都髙。 比较等级的特殊用法： 语法加油站 语法加油站 3) 如果比较对象相同，可用that/those代替比较对象。 The food in Sichuan is hotter than that in Guangdong. 四川的食物比广东的食物辣。 4) “the+比较级，the+比较级”表示“越……，越……”。 The more, the better.越多越好。 The more careful you are, the fewer mistake you’ll make. 你越仔细，错误就越少。 语法加油站 语法加油站 5) “比较级+and+比较级”表示“越来越……”。 It gets warmer and warmer when spring comes. 春天来了，天气变得越来越暖和了。 6)比较级与最髙级的结构可以转换，意思不变。 The Changjiang River is longer than any other river in China. =The