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课件网) Unit 4 Amazing Plants and Animals Section A What can plants and animals do Grammar Focus (3a-3c) Learning Objectives In this lesson, you will: 1. master the format and usage of superlatives. 2. talk about more plants and animals using superlatives. The blue whale is the largest and heaviest animal in the world. The biggest land animal in the world is the African elephant. The cheetah runs the fastest among all land animals. I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. 3a Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb 最高级的构成方式：在词尾+est 或在词前加most 形容词、副词最高级的构成：（1）规则变化 （1）一般比较级直接在词尾+er 最高级+est tall-taller-tallest short-shorter-shortest fast-faster-fastest high-higher-highest （2）以不发音的e结尾的词，比较级在词尾+er 最高级在词尾+st nice-nicer-nicest late-later-latest wide-wider-widest large-larger-largest （3）以辅音字母+y结尾的双音节词，比较级改y为i+er，最高级改y为i 再+est heavy-heavier-heaviest busy-busier-busiest easy-easier-easiest early-earlier-earliest （4）重读闭音节，且末尾只有一个辅音字母的词，比较级双写该辅音字母+er ，最高级双写该辅音字母，再+est big-bigger-biggest hot-hotter-hottest thin-thinner-thinnest fat-fatter-fattest （5）多音节词和部分双音节词，比较级在原级前+more，最高级+most slowly- more slowly- most slowly beautiful-more beautiful-most beautiful （2）不规则变化 good（形容词）/well（副词）—better—best bad（形容词）/badly（副词）—worse—worst many（形容词）/much（形容词/副词）—more—most little（形容词/副词）—less—least far（形容词 /副词）—farther—farthest (具体距离的远近) far—further—furthest (抽象意义的深远) 最高级的常用句型 （1）“主语+be+the+形容词最高级+in / of 短语” 或“主语+实义动词+(the)+ 副词最高级+in / of 短语”。意为“.......是.......中最......的。” eg. 1. 2. Tom is the tallest in his class / of all students. 汤姆是他班上/所有学生中最高的。 我是我班/所有学生中跳得最远的。 I jump (the) farthest in my class / of all the students. 最高级的常用句型 （2）“主语+be+on of the+形容词最高级+可数名词复数+in / of 短语。 意为“.......是.......中最......的......之一。” eg. 1. Beijing is one of the largest cities in China. 北京是中国最大的城市之一。 最高级的常用句型 （3）“疑问词+助动词+主语+动词原形+（the）+副词最高级, A, B or C eg. 1. Which season do you like (the) best, spring, summer or autumn 你最喜欢哪个季节，春季、夏季还是秋季？ 3b Complete the sentences with the superlative forms of the words in brackets. 1. Among all animals, I love pandas the best. I think they are _____ (cute) animals in the world. 2. Which do you think is _____ (beautiful), the rose, the peony, or the lotus flower the cutest the most beautiful 3. Look at that butterfly! It has _____(colourful) wings. 4.Which animal jumps _____(high), the lion, the monkey, or the tree frog the most colourful the highest 5. T ... ...
