高三英語形容詞與副詞的比較等級ppt課件

1、ENGLISH形 容 詞 與 副 詞 的 比 較 等 級CHUZHONGYINYUKEJIANShow Learning aims(學習目的學習目的) n學習并掌握描畫詞與副詞的比較級和最高級的構成。n學會運用描畫詞與副詞的比較等級。Show Learning aimsbigbigLook at the pictures and understand 看圖并了解看圖并了解bigbiggerLook at the pictures and understand 看圖并了解看圖并了解Look at the pictures and understand 看圖并了解看圖并了解bigbiggerbig

2、gestfastLook at the pictures and understand 看圖并了解看圖并了解fastfasterLook at the pictures and understand 看圖并了解看圖并了解fastfasterfastestLook at the pictures and understand 看圖并了解看圖并了解The Comparative and Superlative Degrees of Adjectives and Adverbs(描畫詞和副詞的比較級和最高級)大多數(shù)描畫詞和副詞有三個等級： 1、原級，即原形。沒有比較時用原級 2、比較級，表示“較或“

3、更一些。兩者比較時用比較級 3、最高級，表示“最的意思。兩者以上用最高級一、描畫詞和副詞比較級和最高級的構成一、描畫詞和副詞比較級和最高級的構成1、規(guī)那么變化 構 成 方 法原 級比 較 級最 高 級單音節(jié)詞和少數(shù)多音節(jié)詞一般在詞尾加一般在詞尾加-er/或或-est/ist/coldcoldercoldestfastfasterfastest以字母以字母e結尾的形容詞，加結尾的形容詞，加-r或或-stnicenicernicestlargelargerlargest重讀閉音節(jié)詞只有一個輔音字母重讀閉音節(jié)詞只有一個輔音字母時，應先雙寫輔音字母；再加時，應先雙寫輔音字母；再加-es或或-estbi

4、gbiggerbiggesthothotterhottest以以“輔音字母輔音字母+y”結尾的雙音節(jié)詞，結尾的雙音節(jié)詞，先改先改“+y”結尾的雙音節(jié)詞，先改結尾的雙音節(jié)詞，先改“y”為為“i”,再加再加-er或或-esteasyeasiereasiestearlyearlierearliest多音節(jié)詞和部分雙音節(jié)詞在詞前加在詞前加more或或mosttiredmore tiredmost tiredeasilymore easilymost easily原級比較級最高級good / wellbetterbestbad / badlyworseworstmany / muchmoremostli

5、ttlelessleastfarfartherfarthestfurtherfurthest一、描畫詞和副詞比較級和最高級的構成一、描畫詞和副詞比較級和最高級的構成2、不規(guī)那么變化二、描畫詞和副詞的比較級和最高級的用法二、描畫詞和副詞的比較級和最高級的用法1、表示“和一樣，用“as+原級+as構造。 eg: He likes her as much as he likes his sister.2、表示“不如，用“not as/ so+原級+as構造或“l(fā)ess+原級+than構造 eg: He does not smoke as/ so heavily as his brother. He

6、smokes less heavily than his brother.3、表示“比更，用“比較級+ than構造。 eg: She sees me more often than she sees her brother.4、表示“中最,用“最高級+比較范圍構造，比較范圍為短語從句。 eg: This is the best picture in the hall. This is the best picture that he has ever painted. 根本用法二、描畫詞和副詞的比較級和最高級的用法二、描畫詞和副詞的比較級和最高級的用法5、表示“越來越，用“比較級+ and

7、+比較級構造或“more and more + 原級構造。 eg: Things are getting better and better every day. She is becoming more and more beautiful.6、表示“是的幾倍，用“倍數(shù)+as+原級+as構造，或者“倍數(shù)+比較級+than構造。 eg: This classroom is three times as big as that one. This classroom is twice bigger than that one. 根本用法二、描畫詞和副詞的比較級和最高級的用法二、描畫詞和副詞的比較

8、級和最高級的用法1、描畫詞的比較級前面普通不加冠詞，但表示“兩者中較的時候，要用“the+比較級+of 。 eg: She is better than she was yesterday. She is the taller of the two girls.2、描畫詞的最高級前面普通加定冠詞，而副詞的最高級前面可加可不加。 eg: This book is the most difficult that I have ever read. He jumped (the) highest of the three boys.3、比較級前面可以用even(更加)，much(得多)，far(得多

9、)，a littlie(一點)，a bit(一點)，slightly(些微地)，a great deal(大量)，a good deal(大量)，a lot(大量)，still(還，還要)等詞語表示不定程度或數(shù)量。 eg: I am even less lucky. She is far better than me at writing. 特殊用法Follow ups(隨堂練習)1、-Mr Zhou, all of the students in our group, who lives _? -I think Li Lei does. A. fat B. father C. farthest D. farest2、The Changjiang River is _ than any other river in China. A. shorter B. longer C. shortest D. longest3、Bob never dose his homework _ Mary. He makes lots of mistakes. A. so careful B. as carefully as C. carefully as D. as careful as4、_ she is, _ she feels. A. The more busy,