Unit 4 Section A 3a-3c 课件 2026-2027学年人教版英语八年级上册

3a-3c Grammar Focus Unit 4 Amazing Plants and Animals Section A PEOPLE’S EDUCATION PRESS · GRADE 8 The Superlative Degree Amazing Plants and Animals Learning Objectives 1. Compare different animals and plants using pictures. 2. Discover the spelling rules for superlatives. 3. Use “the + superlative” in meaningful sentences. Look · Compare · Discover · Create Read the new words 1. Look at Different Animals and Plants Cheetah fast Blue whale large / heavy African elephant large / heavy Hippo big / heavy Bamboo useful Giraffe tall 2. FAST: Compare Different Animals Rabbit fast A rabbit runs fast. Lion faster A lion runs faster than a rabbit. Cheetah the fastest The cheetah runs the fastest among all land animals. Notice: fast → faster → fastest. What is added? 3. LARGE: Compare a Whale, an Elephant and a Hippo Hippo large A hippo is large. African elephant larger An elephant is larger than a hippo. Blue whale the largest The blue whale is the largest animal in the world. large → larger → largest | What is large added? 4. HEAVY: Compare Different Animals Cow heavy A cow is heavy. African elephant heavier An elephant is heavier than a cow. Blue whale the heaviest The blue whale is the heaviest animal in the world. heavy → heavier → heaviest | What happens to y? 5. BIG: Compare Different Animals Cow big The cow is big. Hippo bigger The hippo is bigger than a cow. African elephant the biggest The African elephant is the biggest land animal in the world. big → bigger → biggest | What happens to the word? 6. USEFUL: Compare Different Plants and Animals A match useful A match is useful. A knife more useful A knife is more useful than a match. Bamboo the most useful Bamboo is the most useful plant in the world. useful → more useful → the most useful 7. Textbook Words in Context Blue whale The blue whale is the largest and heaviest animal in the world. African elephant The biggest land animal in the world is the African elephant. Cheetah The cheetah runs the fastest among all land animals. Bamboo I think the most useful plant in the world is bamboo. It is perhaps the most interesting plant in the world. Underline the superlative. What words come before it? 8. Discover the Rules 构成方法 最高级 单音节词和部分双音节词 一般情况下，最高级词尾加-est tallest；shortest；fastest 以字母e结尾的词，最高级词尾加-st largest；latest 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，然后最高级词尾加-est biggest；fattest；thinnest; hottest; slimmest 以“辅音字母+ y”结尾的双音节词，先把y改为i，然后最高级词尾加-est easiest；heaviest；earliest 多音节词和部分双音节词 词前加 most构成最高级 the most beautiful； the most popular 8. Discover the Rules 原级 最高级 good(形容词) / well(副词) best bad(形容词) / badly(副词) worst many(形容词) / much(副词) most little(形容词/副词 ) least far(形容词/副词 ) farthest (具体距离的远近) furthest (抽象意义的深远) (2) 不规则变化 9. Practice: Write the Superlative Form new----- kind---- cute---- late---- hungry---- happy---- serious---- comfortable---- clearly---- quietly---- hot----hot fat----fat bad---- little--- far---- 10. Check the answers new----- newest kind----kindest cute----cutest late----latest hungry----hungriest happy----happiest serious---- most serious comfortable----most comfortable clearly---- most clearly quietly---- most quietly hot----hottest fat----fattest bad----worst little---least far----farthest/ furthest 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? 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 Complete the passage with the superlative forms of the words in the box. 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 ____________________. 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 It's said this ginkgo tree was planted by Emperor Taizong of Tang, Li Shimin. 12. Production: Discover the Wonders of Nature Your task: Choose an animal or plant you like. Write a short introduction to it and share it with your classmates. Requirements： 至少用三个最高级 说明你为什么喜欢或者我们为什么应该保护他们 Useful expressions 1. ... is the largest / fastest ... in the world. 2. It is one of the most interesting ... 3. I think ... is the most ... because ... 4. We should protect it because ... 13. Check and share your writing Your task: Choose an animal or plant you like. Write a short introduction to it and share it with your classmates. Requirements： 至少用三个最高级 说明你为什么喜欢或者我们为什么应该保护他们 Useful expressions 1. ... is the largest / fastest ... in the world. 2. It is one of the most interesting ... 3. I think ... is the most ... because ... 4. We should protect it because ... 14. Summary Homework Write a short introduction about your favourite animal or plant. Requirements： 至少用三个最高级 100字左右 Thank you ! $