比较级与最高级用法课件.ppt

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1、形容词和副词的比较级和最高级1 1掌握掌握比较级和最高级的变换规则最高级的变换规则2 2掌握掌握比较级和最高级的用法最高级的用法一、单音节和、单音节和 部分双音节词部分双音节词Task1： 形容词和副词比较级和最高级构成形容词和副词比较级和最高级构成1.slow fast young tall2.fine late3.thin big4.easy luckyslower slowestyounger youngest一般在词尾加一般在词尾加 er, est以字母以字母e 结尾的词结尾的词,加加 r,st重读闭音节词只有一个辅音字母时重读闭音节词只有一个辅音字母时,双写辅音字母双写辅音字母,加加

2、 er,est以辅音字母加以辅音字母加“y”结尾的双音节词结尾的双音节词,先改先改“y”为为“i”再加再加er,estfiner finestlater latesteasier easiestthinner thinnestbigger biggestluckier luckiesttaller tallestfaster fastest二、多音节和部分双音节词二、多音节和部分双音节词delicious easilymore delicious most delicious more easily most easilybetter bestworse worst more mostfart

3、her farthestless least不规则变化不规则变化good/wellbad/badly/illmany/muchlittlefar在词前加在词前加more或或most比较级和最高级的变换规则比较级和最高级的变换规则1) 1) 一般在词尾加一般在词尾加_3) 3) 重读辅元辅结尾重读辅元辅结尾, ,先先_最最后的辅音字母后的辅音字母, , 再加再加_4) 4) 以以“辅音字母辅音字母+ y”+ y”结尾结尾词，先改词，先改_为为_, , 再加再加_2) 2) 不发音不发音e e结尾的形容词结尾的形容词直接加直接加_er或或est双写双写yir或或ster或或ester或或estsu

4、mmary5）多音节和部分双音节的形容多音节和部分双音节的形容词前加词前加_more或或mostLook at the boys.Tom is very young.Tony is _ than Tom.Who is _ _?Peter is .younger the youngestSummer is hot.Summer is hot.Summer is _ than spring.Summer is _ than spring.Winter is cold.Winter is cold.Winter is _ than autumn.Winter is _ than autumn.The

5、 earth is _ .The earth is _ .The moon is big.The moon is big.The sun is _ _ The sun is _ _ of the three . of the three .He is _ than she.He is _ than she.She is _ than he.She is _ than he.She is _ than it.She is _ than it.He is _ _ .He is _ _ .It is _ _ .It is _ _ .heavierlighterheavierthethe heav h

6、eaviestiest thethe light lightestestheavylightThe football is _ than the bench.The football is _ than the bench.The bench is _ _ than the football.The bench is _ _ than the football.The bike is _ _ _ of all.The bike is _ _ _ of all.80 yuan120 yuan 180 yuancheaper more expensive the most expensivePet

7、er AnneKen English 90 98 92 math 58 38 48The children are good at English.Peters English is _ .Kens English is _ than Peter.Annes English is _ _ .But her math is _ _ of the three.goodbetter the best the worst形容词和副词最高级专项练习形容词和副词最高级专项练习 Johns parents have four daughters, and she is the _ (young) child

8、. Dick sings _ (well), she sings _(well) than John, but Mary sings_ (well) in her class. Which do you like _, coffee, tea or milk? A. badly B. worse C. the worse D. worst youngestwellbetterbestD 7.Whos _, Tom,Jim or Kate? A. the most careful B. carefuler C. carefully 8.That is _ (easy) of all.Athe easiest信不信由你信不信由你别放弃，别放弃，boysboys additional expressions