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课件网) Unit 4 Inventions Grammar 语法优质课 沪教版（2024）八年级 上 Learning objectives 1 Lead in Presentation 3 Practice Talking 5 Summary Assessment 7 Homework 2 4 6 8 By the end of the lesson, I will be able to... 1 2 3 know some irregular comparative and superlative adjectives; know the usage of “(not) as...as”; talk about the inventions using comparative and superlative adjectives. 01 Learning objectives https://www.21cnjy.com二一教育 Lead in 02 Lead in 02 Su Wen wants to do a speech about the best invention .But she must finish some tasks. 04 Lead in Round 1 1 Let’s have a review of what we learnt in the last unit. Rules 原 级 比 较 级 最 高 级 单音节词和少数双音节词 strong wide fat happy 多音节词和部分双音节词 convenient stronger strongest 一般在词尾加-er或-est wider widest 以字母e结尾的，加-r或-st fatter fattest 以辅元辅结尾的重读闭音节，双写最后一个辅音字母加-er或-est happier happiest 以“辅音字母+y”结尾的双音节词，改“y”为“i”，加-er或-est more convenient most convenient 在词前加more或most Lead in 02 04 Presentation Round 2 1 Read the passage and pay attention to the words in bold. Many inventions make people’s lives better.For example,the invention of the wheel allowed people to travel farther distances. However, there are bad inventions too.A magazine once picked the top ten worst inventions in human history, such as cigarettes and plastic bags. Many people think these inventions make the world a worse place to live in. Some comparative and superlative adjectives are irregular. Presentation 03 03 Presentation Adjective Comparative adjectives Superlative adjectives good / well bad(ly) / ill far better best worse worst farther further farthest furthest 03 Presentation farther/farthest 表示距离、时间上“更远；更往前”。 further/furthest即可表示距离时间上“更远；更往前”， 也可表示程度上或抽象意义上的更深远或更进一步。 辨析：farther/farthest与further/furthest He swam to the farther shore of the lake. 他游到了湖的彼岸。Are there any further questions 还有更进一步的问题吗？ 03 Presentation Adjective Comparative adjectives Superlative adjectives many / much more most less least older/elder oldest/eldest little old 拓展 Presentation 03 辨析：older/oldest与elder/eldest older/oldest和elder/eldest都可用来表示家庭成员之间的长幼关系，older/oldest可作表语或定语，elder/eldest只能用于名词前作定语，注意不说elder than。 ( )My eldest brother is fifteen years old.我最年长的哥哥15岁了。 ( )My elder brother is two years older than me.我的哥哥比我大两岁。 ( )Li Ming is two years elder than me.李明比我大两岁。 改为older 04 Presentation Round 3 1 Listen to a song and fill in the blanks. As sly as a fox, as _____ as an ox. As _____ as a hare, as _____ as a bear. As _____ as a bird, as neat as a word. As _____ as a mouse, as_____ as a house. strong fast brave free quiet big We use (not) as …as to say that things or people are (not) equal in some way. Presentation 03 然后人类就驯服一些动物如马、驴 ... ...
