八年级英语上册 Unit 4 Inventions Grammar课件 .ppt
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1、Period 3,Grammar,Module 2 Science and technology,Oxford English,Unit 4,Inventions,Life without ,Revision,1,I. 写出下列形容词的比较级和最高级。1. hot _ _2. busy _ _3. new_ _4. wide _ _3. slowly_ _4. comfortable _ _,hotter; the hottest,busier; the busiest,thinner; the thinnest,wider; the widest,more slowly; the most
2、slowly,more comfortable; the most comfortable,Good, better, best.Never let it rest. Until your good is better and your better is best.,Grammar A good, bad and far,2,形容词比较级和最高级的不规则变化,【语法笔记】1elder和eldest也可以表示家庭成员出生顺序,但它们只能用在名词前作定语,不能作表语。例如: 判断正误:1)我的哥哥十岁。 My elder brother is ten years old. ( ) My olde
3、r brother is ten years old. ( ) 2)他年纪比我大。 He is older than me. ( ) He is elder than me. ( )2farther和further都能表示时间、距离的“更远”,但要表达“进一步”的时候,只能用further。例如: 1. His home is _from this park _mine. 他家比我家离这个公园远。 2. The police decided to take _ action. 警察决定采取进一步行动。,X,farther/ further,than,further,形容词的比较级和最高级的不规
4、则变化,【热身训练1】用括号中所给单词的适当形式填空。1. Who is _ (good) student in your class? 2. Jack has _ (many) books than Jim. 3. How far is it to the airport? 20 kilometres? No, its _ (far). About 30 kilometres.,the best,more,farther,A1 Look at the school report below. In pairs, ask and answer questions about it.,Daisy
5、 got an 83 in Art.,Daisys mark in Art.,got a better mark,Paul got a better mark in Science than Martin.,got a worse mark,Eric got a worse mark in Science than Alice.,got the worst mark,Eric got the worst mark in Science.,A2 Look at the map below. In pairs, ask and answer questions about it. Follow t
6、he example.,3 Whose home ., Martins or Paulines?,4 Whose home ., Alices, Belindas or Erics?,S1: Whose home is farther/further from school, Martins or Paulines?S2: Martins home is farther/further from school than Paulines.,S1: Whose home is the farthest/furthest from school, Alices, Belindas or Erics
7、?S2: Alices home is the farthest/furthest from school.,S1: Whose home is farther/further from Alices, Daisys or Pauls?S2: Pauls home is farther/further from Alices.S1: Whose home is the farthest/furthest from Alices, Daisys, Pauls or Erics? S2: Erics home is the furthest from Alices.,In pairs, ask a
8、nd answer questions about the distances. Follow the example.,But remember:,With light bulbs, people can do _ things than before at night.,Oil lamps produce _ light than light bulbs.,Carriages carry _ passengers than trains.,Light bulbs produce _ light than oil lamps.,more,more,less,fewer,Example:Ben
9、 has _ paper than Judy but _ storybooks than Alice.,more,fewer,Complete the sentences with the comparative or superlative form of many, much, few and little.,Judy has _ storybooks than Alice but _ notebooks than Ben. Ben has _ ink than Judy but _ paper than Alice. Alice has _ storybooks among/of the
10、 three students.,more,fewer,more,less,the most,Judy has _ paper among/of the three students. Alice has _ notebooks among/of the three students. Ben has _ ink among/of the three students.,the most,the fewest,the least,The first computer was as big as a room.,With light bulbs, people can do as many th
11、ings in the evenings as they can in the daytime.,Grammar B (not) asas,3,as.as 意为“和一样”,not as.as 意为“不如一样”,表示 同 级的比较。1基本结构:as + adj. + as,否定形式为:not as/so+ adj. + as,中间用形容词的原级。例如: This book is as interesting as that one. 达本书和那本书一样有趣。 This book is not as/so interesting as that one. 这本书没有那本书有趣。,2当as.as中间
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