江苏省盐城市大丰区第二共同体八年级上册英语课件：Unit 1 Friends Grammar (共31张PPT)

Unit 1 Friends Grammar Comparative and superlative adjectives 八年级上册 Betty’s hair is shorter than May’s . Max is the tallest boy in our class . Comparative 比较级 superlative 最高级 Max is tall. Yao Ming is taller than Max. Compare them A B Banana A is long. Banana B is longer than Banana A. The car is fast. The plane is faster than the car. Rule out A 1. Application range(使用范围): We use comparatives to compare two people or things. 2. Ways of change(变化方式): change the form of the adjectives 3. Sentence structure(句子结构): S+be+ comparatives +than+ other components How to form comperative adjectives? Compare them The first house is quite nice. The second house is nicer than the first one. 50kg 200kg The first box is heavy. The second box is heavier than the first one. The first pig is quite fat. The second pig is much fatter. The first dig is big. The second dog is much bigger. The first phone is expensive The second phone is more expensive than the first one. The air is bad. The air is worse. Rule out B --regular adjectives 1.一般在词尾加er 2.以字母e结尾的形容词，加r 3.以一个辅音字母结尾的重读闭音节， 应先双写辅音字母，再加er 4.以“辅音字母+y”结尾的单音节和部分双音节 词，先改“y”为“i”,再加er 5.多音节词和部分双音节词，在词前加more　 How to form comparative adjectives? Rule out C --irregular adjectives irregular adjectives good / well better bad/badly/ill worse many / much more little less far farther（更远的） further（深入的） old older / elder 1、在比较级前面加下列单词，表示程度 2、比较级+and+比较级 表示越来越… 3、the+比较级 表示两者中更... much, far, a lot, a little, even… e.g. China is getting more and more beautiful. e.g. Tom is the taller of the twins. 注：(so, very, quite 修饰原级) e.g. I’m much taller than Tom. 4、the+比较级，the+比较级 越...越... e.g. The more, the better. 1.The sun is _____ (big) than the earth. 2.Which one is _____ (heavy) ,this box or that one? 3.Who is _____ (tall), Pingping or Yangyang? 4. Wang Fang is _____ (brave) than me. I should learn from her . 5.The _____ (careful) we are, the _____ (few) mistakes we will make. 6. He feels even _____ (ill) today. 7. Paris is quite (beautiful) and it is (beautiful) than London. bigger heavier taller braver more careful fewer worse beautiful more beautiful Yao Ming is the tallest of the three. 姚明是三人中最高的。 This book is the most interesting of all. 这本书是所有书当中最有趣的。 Rule out A 1. Application range(使用范围): We use the+superlatives to compare three or morw people or things. 2. Ways of change(变化方式): change the form of the adjectives 3. Sentence structure(句子结构): S+be+ the+superlatives + other components Group-work Rule out B --regular adjectives 1.一般在词尾加est 2.以字母e结尾的形容词，加st 3.以一个辅音字母结尾的重读闭音节， 应先双写辅音字母，再加est 4.以“辅音字母+y”结尾的单音节和部分双音节 词，先改“y”为“i”,再加est 5.多音节词和部分双音节词，在词前加most　 How to form superlative adjectives? Rule out C --irregular adjectives irre ... ...