Unit 3 Same or Different Section A Grammar Focus 课件-2025-2026学年人教版英语八年级上册

How are we different from each other? By Ginny Learning objectives At the end of this class, students will be able to: 1. Form most of the comparative adjectives/adverbs correctly;. 2. Create sentences to compare classmates/objects using target structures; 3. Using comparatives to compare your city with another one. A true or false quiz How much money did Darren win? How much money did Darren win? Comparatives nothing Read the sentences and notice the comparatives in bold. Write down their original forms below. Comparatives more more colourful taller shorter better louder earlier many colourful tall short well loud early How do they change forms? The rules of changing adjectives or adverbs into their comparative forms. Comparatives short——shorter tall——taller loud——louder 1. 一般情况下，比较级词尾加-er； early——earlier 2. 以“辅音字母+y”结尾的双音节词，变y为i，再加-er； large——larger late——later 3. 以字母e结尾的词比较级词尾加-r； big——bigger fat——fatter 4. 重读闭音节尾只有一个辅音字母时先写该辅音字母，然后在词尾加-er； 适用于单音节词和部分双音节词 The rules of changing adjectives or adverbs into their comparative forms. Comparatives colorful——more colourful interesting——more interesting 词前加more构成比较级 good/well——better bad/badly——worse many/much——more little——less far-further/farther 多音节词和部分双音节词 不规则的变化 difficult noisy thin near rich hot dangerous good much high large big cold happy Write down the comparatives of the following adjectives. Comparatives more difficult noisier thinner nearer richer hotter more dangerous better more higher larger bigger colder happier Read the sentences again and think about how to use comparatives. Comparatives 表示两者（人或事物）的比较。常见句型是： “比较级+than” 当要表示比较的两者情况一致时，可用结构： “as+adj./adv.+as”，表示“一样……”,其否定形式为： “not so/as+adj./adv.+as” Use the words in the brackets to write questions and answers. Comparatives 1. Q: Is Julie slimmer than you ? (Julie / slim / you) A: No, she isn't. She is as slim as me. 2. Q: ? (you / serious / cousin) A: No, I’m not. I am than he is. 3. Q: ? (Tom / smart / Sam) A: No, I don’t think so. I think Sam is as as Tom. 2. Q: ? (Jack / swim / fast / Sally) A: No, he doesn’t. He swims as as Sally. Are you as serious as your cousin more serious Is Tom smarter than Sam smart Does Jack swim faster than Sally fast The Nile / the Amazon (long)——The Nile is longer than the Amazon. Canada / Brazil (big) Driving / flying (dangerous) My English / your English (bad) This chair / that chair (comfortable) Buses / trains (cheap) Write comparative sentences. Comparatives Canada is bigger than Brazil. Flying is more dangerous than driving. My English is worse/better than your English. This chair is more comfortable than that chair. Buses are cheaper than trains. What can we compare between two cities? Look at the chart. Compare Guangzhou and Vancouver. Comparatives larger population smaller population larger smaller heavier lighter warmer colder hotter cooler Complete the sentences to compare Guangzhou and Vancouver. Use the words in the box and than. Comparatives The population of Vancouver was that of Guangzhou in 2024. In area, Guangzhou is Vancouver. It rains in Guangzhou in Vancouver. Guangzhou has a pleasant temperature in January. It is Vancouver in January. Vancouver is Guangzhou in July. large small much warm cool smaller than much larger than more than warmer cooler Can you introduce Guangzhou according to the sentences? Introduce Guangzhou using the sentences in 3c. Comparatives Guangzhou is a big city in China. It is different from Vancouver in many ways. In population, Guangzhou is much larger than Vancouver. Guangzhou has about 18.7 million people, while Vancouver has fewer people. In area, Guangzhou is bigger than Vancouver. It covers 7,436 square kilometers. The weather is different too. In January, Guangzhou is warmer than Vancouver, with an average of 16°C. In July, Guangzhou is hotter, around 31°C, but Vancouver is cooler. Guangzhou also has more rainfall in a year. Both cities are nice, but Guangzhou feels more lively. Beginning Ending How about Vancouver? Language points& important expressions The population of Vancouver was larger than that of Guangzhou in 2024. 形容population，不能用“多少”，只能用“大小”。即big，large，small等； that此处替代“population”，表特指，“同类但不同物”，常见于比较级中。 the population of in area in January Homework Must do: Finish related exercises; Write a short passage to introduce Vancouver using the information in 3c; Try to do: Find information from the Internet and write a short passage to compare your hometown with Chengdu. $$