Unit 2 第三课时 section A Grammar Focus(课件)- 2025-2026学年鲁教版（五四制）英语七年级下册

Amazing Plants and Animals Section A Grammar focus (3a-3c) VCG41N149811759 VCG41106412168 VCG41N1021641736 Contents know how to form the superlative degrees of adjectives and adverbs; use superlatives to compare three or more things; describe animals’ and plants’ features with superlative and share your ideas. After the lesson, you’ll be able to: 2 01 Lead in Lead in What can you learn from the video? Lead in What can you learn from the video? The moss is one of the ___________ plants in the world. oldest Lead in What can you learn from the video? The redwood tree is the ___________ one in the world. tallest Lead in What can you learn from the video? The blue whale is the ________ and the _________ animal in the world. tallest heaviest Lead in What can you learn from the video? The cheetah runs the _________ in the world. fastest Let’s learn more No one is the strongest under heaven. 强中更有强中手。 He is the best fighter of the three. ✅ 最高级（best） 他是他们三个人中最厉害的比武高手。 ✅ hardest 是形容词 hard 的最高级形式，在 “所有步骤” (大于或等于三步)内最难的一步。 The hardest step is the first one. 万事开头难。 Let’s learn more 02 Grammar Presentation Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? 3a Translate all the sentences. The blue whale is the largest and the 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. n. 陆地；土地 v. 降落；着陆 adj. 非洲的；非洲人的 n. 非洲人 Presentation Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? 3a The blue whale is the largest and the 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. Which parts of speech (词性) have superlative forms? 形容词 形容词 形容词 副词 形容词 形容词 Presentation 形容词和副词的最高级 定义：表示三者或三者以上(人或事物)的比较，其中有一个在某一方面超过其他几 个，后面可用带有in、of、among的短语等来说明比较的范围。形容词最高 级的前面一般要加定冠词the，副词最高级前的the可以省去。 ①The blue whale is the largest and heaviest animal in the world. ②In my country, July is the hottest month of the year. ③The cheetah runs (the) fastest among all land animals. 某一范围内的比较用in 同一类事物范围内的比较用of 副词最高级前的the可以省去哦 Presentation Read the sentences and notice the words in bold. What are the ways to form a superlative adjective or adverb? 3a The blue whale is the largest and the 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. Do you know the rules? 音节 是否是规则变化 形容词、副词最高级的变化方式 short 形容词的变化方式，可分为规则变化与不规则变化两种： ①多数单音节形容词、副词最高级在词尾加est 1.规则变化 shortest young youngest nice ②词尾为e的形容词、副词最高级词尾加st nicest large largest 形容词、副词最高级的变化方式 形容词的变化方式，可分为规则变化与不规则变化两种： 1.规则变化 ③词尾为辅音+y的形容词、副词最高级将y改i，再加est 形容词、副词最高级的变化方式 形容词的变化方式，可分为规则变化与不规则变化两种： 1.规则变化 lazy early laziest earliest ④短元音+单辅音的单音节形容词、副词最高级双写词尾加est 形容词、副词最高级的变化方式 形容词的变化方式，可分为规则变化与不规则变化两种： 1.规则变化 fat big biggest fattest helpful ⑤两个音节以上形容词、副词最高级前面加most most helpful famous most famous 形容词、副词最高级的变化方式 形容词的变化方式，可分为规则变化与不规则变化两种： 1.规则变化 原级 最高级 good/well best bad/badly/ill worst many/much most little least far farthest (表示距离：最远) furthest (表示程度：“最深入”) old oldest (描述新旧或年龄) eldest (表示兄弟姐妹长幼关系) 两好三坏老得快，两多一少差得远 不规则变化 最高级，很容易，一般词尾加est。(cheap-the cheapest) 词尾若有哑音e, 直接就加st。(close-the closest) 重读闭音节， 单辅音字母要双写。(big-the biggest) 辅音字母加y, 记得把y变为i。(friendly-the friendliest) 多音节，考考你，the most到底加哪里？ (popular-the most popular) 最高级不规则变化口诀 Let’s chant 形容词、副词最高级的基本句型 ◆ “主语+ be+ the+形容词最高级+in/of 短语”意为 “……是……中最……的”。 ◆ “主语+实义动词（+the）+副词最高级+in/of 短语”意为 “……是……中最……的”。 ◆ “主语+be+ one 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”。 My mother is the busiest one in my family. The Yangtze River is the longest river in China. Tom works (the) hardest in Class 3. Tianjin is one of the biggest cities in China. 形容词、副词最高级的基本句型 ◆ “疑问词+ be+ the+形容词最高级，甲、乙 or 丙？”用于三个或三个以上的人或事物之间的比较。 ◆ “疑问词+助动词+主语+动词原形（+the)+副词最高级，甲、乙or丙？” ◆ “主语+be + the+序数词+形容词最高级+可数名词单数+in/of短语”意为“……在…… 中是第几……的……”。 Who is the tallest, Tom, Kate or Bill? Which city do you like best, Beijing, Shanghai or Guangzhou? The Yellow River is the second longest river in China. You play the Chinese flute better than anyone else in our music club. 你吹中国笛子比我们音乐俱乐部里的任何人都好。(你吹的最好) I love playing sports more than anything. 我最喜欢运动。 比较级表达最高级？ Let’s review! Do you remember these sentences? Presentation 当句子中出现 (more) than + 比较范围（如 anything, anyone, any other...） 时，常隐含最高级含义。 例如：He runs faster than anyone in his class. This movie is more moving than any other I’ve seen. 他比班上任何人都跑得快 → 他是班上跑得最快的。 这部电影比我看过的任何一部都感人 → 这是我看过的最感人的电影。 比较级表示最高级的用法 Presentation Practice Complete the sentences with the superlative forms of the words in brackets. 3b 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? 3. Look at that butterfly! It has __________________(colourful) wings. 4. Which animal jumps ___________ (high), the lion, the monkey, or the tree frog? 5. The elephant birds were ___________ (large) and _________ (heavy) birds ever on earth. Some could stand up to three metres tall and weigh up to 860 kg. the cutest the most beautiful the most colourful (the) highest the largest heaviest 象鸟：一种已经灭绝的大型鸟类，曾生活在马达加斯加岛，体型庞大，无法飞行 Practice Complete the passage with the superlative forms of the words in the box. 3c ancient beautiful common good popular The ginkgo tree is one of ________________ living trees on earth. Ginkgo trees first appeared over 200 million years ago. Chinese people love the ginkgo, as it is a symbol of hope and long life. Many Chinese believe that the old ginkgo tree in the Zhongnan Mountains in Shaanxi Province is ____________________. This tree is over 1,400 years old. Thousands of tourists come to see it each year, especially in mid-October, as it is _____________ time to see it. The ginkgo tree is one of __________________ trees in streets, parks, and gardens across China. When autumn comes, one of _____________ activities is to take a walk under ginkgo trees. People believe the bright yellow leaves can bring joy to their heart. the most ancient the most beautiful the best the most common the most popular 活着的树 数以千计 做...的最好时间 整个中国 散步 给...带来快乐 Get to know Language points Some could stand up to three meters tall and weigh up to 860 kg. 有些能够长到高达3米，重达860千克。 【解析】weigh 及物动词，表示“称……的重量；重(多少)” eg：Do you often weigh yourself? 你经常称体重吗？ 名词形式为 ____________ eg：He has grown both in height and weight. 他的身高和体重都增加了。 weight 对重量提问，可以用以下几种句型： How much does. .. weigh? How heavy is. ..? What is the weight of. ..? Language points Thanks for your attention! $