英语8A unit Friends Grammar 教学课件.pptxVIP

8A Unit 1 FriendsGrammar IGrade Eight Learning aimsTo learn to use comparatives and superlatives. 50kg200kg400kgThe first box is heavy .The second box is heavierthan the first one. The third box is the heaviest of all.Task1:Compare the things. ￥2.20cheapest￥2.60cheapercheap￥3.50They are very delicious .Task1:Compare the things. The first bag is very nice.The second bag is nicer than the first one. The third bag is the nicestof all.Task1:Compare the things. The first kite is good.The second kite is better than the first one. The third kite is the best of all.Task1:Compare the things. bigbiggerbiggestTask1:Compare the things. Cakes : beautifulmore beautifulthe most beautifulTask1:Compare the things. Task2:Discussion.How to form the comparatives and superlatives of adjectives AdjectiveComparativeSuperlativeRulestallsmallnicefineprettyeasyslimbigbeautifultallertallestsmallersmallest一般情况下直接加”er”或者”est”nicernicestfinerfinest以“e”结尾的形容词 直接加”r”或者“st”prettierprettiesteasiereasiest以辅音字母+“y”结尾的 形容词吧“y”改“i”加“er”或“est”slimmerslimmestbiggerbiggest重读闭音节并且只有一 个辅音字母结尾的形容词双写加“er”或者 “est”more beautifulmost beautiful 部分双音节词或者多音节词直接加“more”或者“most” Irregular forms不规则变法good / better wellbad worse/badly/illmany / more muchlittle lessfar farther（更远的）bestworstmostleastfarthestfurther（进一步 的）furthestoldolder / elderoldest / eldest A testAdjectiveComparativeSuperlative1. funny2. good3. happy4. interesting5. large6. smart7. thinfunnierfunniestbetter besthappier happiest more interesting most interestinglarger largest smarter smartestthinner thinnest A+ 系动词+ 比较级+than+BOur school is a littlelarger than theirs. This bridge is muchlonger than that one.形容词比较级前常用much,a lot,a little,even等词来修饰一:比较级常用句型Task3: Discussion and Consolidation.How to use comparatives and superlatives.(1) (2)“The+比较级…，the+比较级…”The smaller the house is, the less it will cost us.The harder we work, The fewer mistakes we’ll make.(3)“…比较级+and+比较级…”In spring, the days are getting longer and longer.more and more beautiful 表示两者之间的选择