新译林版英语八年级上册第一单元语法形容词比较等级的构成.pptVIP

￥ 50.00 ￥ 100.00 The white bag is ____________________ the green one. The green bag is ____________ the white one. cheaper than more expensive than Part One 　　Lead-in Part Two 　　Learning for use Part Three　　Rule out Part Four　　 Practice ＊ We add ‘-er’ to short adjectives. ＊ We use ‘more’ for long adjectives. ＊ We add ‘than’ after the comparatives. Rule out We use comparatives to compare two people / things. Model：1. 她比我矮。 She is ________ ________ I am. 2 我的书比他的有趣。 My book is ________ ____________ _______ his book. shorter than more interesting than ￥ 50.00 ￥ 100.00 ￥ 150.00 The purple bag is __________________ one of all the bags. The green bag is ____________ one of all the bags. the cheapest the most expensive Example: 1 He is the tallest boy in my class. 2 This is the most expensive printer in the shop. ＊ We usually add ‘-est’ to short adjectives . ＊ We use ‘most’ for long adjectives. ＊ We add ‘the’ before the superlatives. Rule out We use superlatives to compare three or more people/things. ￥1.50 ￥1.00 ￥0.80 cheap cheaper cheapest Rule 1 :__________________ ________________________ 单音节词或部分双音节词 一般在词尾加-er或-est nice nicer nicest Rule 2: ___________________ 以e结尾的词直接加-r或-st heavy heavier heaviest 50kg 100kg 200kg Rule 3 :__________________ ________________________ 以辅音字母+y结尾的双音节词,变y为i,再+er或+est big bigger biggest Rule 4 :__________________ ________________________ __________ 一般情况下,以辅元辅结尾的形容词,要双写最后一个字母, 再+er或+est beautiful more beautiful most beautiful Rule 5 :__________________ ________________________ 多音节词和部分双音节词,在该形容词原形前加more或most Rule 6: 不规则变化 good – better – best ill/bad/badly – worse – worst many/much – more – most little – less – least far – farther – farthest further - furthest old – older – oldest elder - eldest LET’S PRACTISE! Adjective Comparative Superlative 1. funny 2. good 3. happy 4. interesting 5. l