新目标八年级上_形容词和副词的比较级和最高级_课件

二、形容词和副词的比较级和最高级的用法
■ 特殊用法
1、形容词的比较级前面一般不加冠词，但表示“两者中较……”的时候，要用“the+ 比较级+of ”。 eg: She is better than she was yesterday. She is the taller of the two girls. 2、形容词的最高级前面一般加定冠词，而副词的最高级前面可加可不加。 eg: This book is the most difficult that I have ever read. He jumped (the) highest of the three boys. 3、比较级前面可以用even(更加)，much(……得多)，far(……得多)，a littlie(…… 一点)，a bit(一点)，slightly(些微地)，a great deal(大量)，a good deal(大量)， a lot(大量)，still(还，还要)等词语表示不定程度或数量。 eg: I am even less lucky. She is far better than me at writing.
二、形容词和副词的比较级和最高级的用法
■ 基本用法 5、表示“越来越……”，用“比较级+ and +比较级”结构或“more and more + 原级”结构。 eg: Things are getting better and better every day. She is becoming more and more beautiful. 6、表示“……是……的几倍”，用“倍数+as+原级+as”结构，或者“倍 数+比较级+than”结构。 eg: This classroom is thassroom is twice bigger than that one.
THE END 再见
看图并理解
big
bigger
◇Look at the pictures and understand
看图并理解
big
biggest
bigger
◇Look at the pictures and understand
看图并理解
fast
◇Look at the pictures and understand
形容词与副词的 比较等级
Show Learning aims(学习目标)
学习并掌握形容词与副词的比较级和 最高级的构成。 学会运用形容词与副词的比较等级。
Show Learning aims
◇Look at the pictures and understand
看图并理解
big
big
◇Look at the pictures and understand
大多数形容词和副词有三个等级： 1、原级，即原形。（没有比较时用原级） 原级，即原形。 2、比较级，表示“较……”或“更……一 比较级，表示“ ……”或 ……一 些”。（两者比较时用比较级） 3、最高级，表示“最……”的意思。（两者 最高级，表示“ ……”的意思 的意思。
以上用最高级）
一、形容词和副词比较级和最高级的构成
二、形容词和副词的比较级和最高级的用法
■ 基本用法 1、表示“和……一样……”，用“as+原级+as”结构。 eg: He likes her as much as he likes his sister. 2、表示“不如……”，用“not as/ so+原级+as”结构或“less+原级+than” 结构 eg: He does not smoke as/ so heavily as his brother. He smokes less heavily than his brother. 3、表示“比……更……”，用“比较级+ than”结构。 eg: She sees me more often than she sees her brother. 4、表示“……中最……”,用“最高级+比较范围”结构，比较范围为短语 从句。 eg: This is the best picture in the hall. This is the best picture that he has ever painted.
1、规则变化
构成方法 一般在词尾加-er/ə/或-est/ist/ 或 一般在词尾加 以字母e结尾的形容词，加-r或-st 以字母 结尾的形容词， 结尾的形容词 或 重读闭音节词只有一个辅音字母 应先双写辅音字母；再加-es 时，应先双写辅音字母；再加 或-est 以“辅音字母+y”结尾的双音节 辅音字母 结尾的双音节 先改“ 结尾的 音节词， 词，先改“+y”结尾的双音节词， 结尾 先改“y”为“i”,再加 或-est 先改“ 为 再加-er或 再加 多音节 词和部 分双音 节词 在词前加more或most 或 在词前加 easily more easily most easily 原 级 cold fast nice large big hot easy early tired 比较级 colder faster nicer larger bigger hotter easier earlier more tired 最高级 coldest fastest nicest largest biggest hottest easiest earliest most tired
看图并理解
fast
faster
◇Look at the pictures and understand
看图并理解
fast
fastest faster
The Comparative and Superlative Degrees of Adjectives and Adverbs(形容词和副词的比较级和最高级)
Follow ups(随堂练习)
C 1、---Mr Zhou, all of the students in our group, who lives ____? ---I think Li Lei does. A. fat B. father C. farthest D. farest B 2、The Changjiang River is ____ than any other river in China. A. shorter B. longer C. shortest D. longest B 3、Bob never does his homework ____ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as 4、____ she is, ____ she feels. D D A. The more busy, the more happy B. The busy, the happy C. Busier, happier D.The busier, the happier orse nd orse 5、The weather is getting w____ a__ w____ .(越来越糟糕)
单音节 词和少 数多音 节词
一、形容词和副词比较级和最高级的构成
2、不规则变化
原级 good / well bad / badly many / much little far
比较级 better worse more less farther further
最高级 best worst most least farthest furthest