人教版八上Unit 4 What's the best movie theater -Section A Grammar focus3a—3c-ppt课件-市级优课-(配套教案编号：d0504).ppt

1、 Jerry is Tom. Tom is tall. Jerry is taller. taller than Look and say Lead-in Tom Jerry Ms Liu is thin. LuYu is the thinnest of all. Ms Liu Nancy LuYu Nancy is thinner than Ms Liu. 1 1. .掌握形容词、副词比较级和最高级的掌握形容词、副词比较级和最高级的 构成构成 2.2.掌握形容词、副词等级的基本用法掌握形容词、副词等级的基本用法 Reviewing aims : 通常用以修饰通常用以修饰名词或代词名词或代词，

2、表示事物的，表示事物的特征特征 的词。的词。e.g. long, empty, cheap, hungry, etc. He runs very fast/quickly. 一、形容词的概念一、形容词的概念 二、副词的概念二、副词的概念 通常用来修饰通常用来修饰动词、形容词和副词动词、形容词和副词作状语。分别表作状语。分别表 示时间、地点、程度和方式等。示时间、地点、程度和方式等。 注意注意 1、形容词形容词-ly,变为副词变为副词 eg:quickly,slowly,quietly,easily, heavily,carefully 2、以“、以“ly”结尾的形容词结尾的形容词 eg. fr

3、iendly, lively, lovely, lonely, ugly Warming-up： 说出下列形容词的比较级和最高级说出下列形容词的比较级和最高级 1. Cheap 2.late 3. heavy 4. big 5. difficult 6. many cheaper cheapest later latest heavier heaviest bigger biggest more - most- more most 巧学妙记巧学妙记 形容词和副词比较等级的规则变化：形容词和副词比较等级的规则变化： 比较级要变化，一般词尾加比较级要变化，一般词尾加er。 词尾若有词尾若有哑巴哑巴

4、e，直接加，直接加r就可以。就可以。 一辅重读闭音节，辅音字母要一辅重读闭音节，辅音字母要双写双写。 结尾若是结尾若是辅加辅加y，把，把y变变i加加er。 最高级词尾加最高级词尾加est，仿照，仿照er没问题。没问题。 形副若是多音节，只把形副若是多音节，只把more、most 前面写。前面写。 2、不规则变化不规则变化 原级原级 比较级比较级 最高级最高级 good / well bad / badly many /much little far old better best worse worst more most less least farther farthest older/e

5、lder oldest/eldest 注：注：elder和和eldest一般用于家庭成员之间的长一般用于家庭成员之间的长 幼顺序。如：幼顺序。如：elder sister（姐姐）（姐姐） 形容词和副词的形容词和副词的 比较等级运用比较等级运用 1. It is not so _ as yesterday, so there are _ people walking in the park today. A. cold; fewer B. warm; more C. cold; more D. warm; most 2. I think English is as _ as maths. I a

6、gree with you. A. more interesting B. most interesting C. the most interesting D. interesting c 【原级易错题练习原级易错题练习】 D 一. 原级的用法原级的用法 1.A+谓谓V. +as +原级原级+as +B 表示表示A和和B一样一样 2.A+谓谓V. + not +as/so+原级原级 +as +B 表示表示A不如不如B 【比较级易错题练习比较级易错题练习】 3. Air pollution has become _ than ever before.We must do something t

7、o stop it. A. serious B. more serious C. most serious D. the most serious B 4. Its smoggy these days. Thats terrible! Yes. I hope to plant trees. _ trees, _ air pollution. A. The more; the fewer B. The less; the more C. The less; the fewer D. The more; the less D 5. Sam and Sandy are twin brothers.

8、But Sam is _ than Sandy. A. more outgoing B. very outgoing C. the most outgoing A 7. The box was _ than I had expected. I was so tired when I got home. A. more heavier B. much heavier C. little heavier D. very heavier B 8. What do you think of Lucy and Lily? I think Lucy is the_ of the two girls. A.

9、 smarter B. more smarter C. much smarter D. as smarter as A 6. The weather is becoming _. A. hotter and hotter B. more hot and hot C. hoter and hoter D. more and more hot A 1“A + 谓语动词谓语动词 +比较级比较级 + than + B”，意思为，意思为 “A比比B更更”。 2. “The+比较级比较级，the+比较级比较级” 结构表示结构表示 “越“越，就越，就越”。 3. “比较级比较级+and+比较级比较级”结构表

10、结构表 示“越来示“越来 越越”。 4. 比较级前可以用比较级前可以用much, a little, still,even, a bit, a lot, far等词修饰等词修饰,说明双方相差的度说明双方相差的度. 5. “the+比较级比较级+of+比较范围比较范围(通常是通常是两者两者)” 结构结构,表示“两个当中较表示“两个当中较” 二二. .比较级的用法比较级的用法 Shanghai is larger than any other city in China. Shanghai is larger than the other cities in China. 注：用比较级表示最高级的

11、意思注：用比较级表示最高级的意思 比较级比较级+than +any other +单数名词单数名词 比较级比较级+than +the other +复数名词复数名词 9. Linda is _ student in our class. A. good B. better C. best D. the best 【最高级易错题练习最高级易错题练习】 D 10. Do you know Mo Yan? Of course. He is one of _ writers in China. He won the Nobel Prize in 2012. A. famous B. more famo

12、us C. the most famous C 12.The Yangtse River is the third _ (long) river in the world. 11.Which subject is _ , math，physics or chemistry ? A. interesting B. most interesting C. more interesting D. the most interesting D longest 1、当比较对象、当比较对象 大于等于三大于等于三 表示“最表示“最”的意思的意思 。常接表示范围的介词短语。如：。常接表示范围的介词短语。如：

13、in/of/among等等。等等。 2. 表示表示“第几个最第几个最”时，用时，用“the序数词序数词 最高级名词单数最高级名词单数”的结构。的结构。 3. 形容词的最高级常用于“形容词的最高级常用于“one of + the + 形容词形容词 的最高级的最高级+名词的复数形式名词的复数形式”结构中，表示“最”结构中，表示“最 之一”。之一”。 4.选择疑问句中选择疑问句中用于三者或三者以上的比较。用于三者或三者以上的比较。 注意注意: 形容词最高级前一定要有定冠词形容词最高级前一定要有定冠词the，而副词最而副词最 高级前则不需要。高级前则不需要。 三三. .形容词形容词/ /副词的最高级的

14、用法副词的最高级的用法 课堂检测：课堂检测： 用所给的形容词副词的适当形式填空。用所给的形容词副词的适当形式填空。 1. Tom is _(tall) than Jim. 2. Tim is _(young) boy in his class. 3.David has _(many)story books of all the students. 4.Li Lei speaks English _ (well) than the other _ (student). 5.Lucy runs _(slowly) than Lily. taller the youngest the most be

15、tter more slowly students 1. （1515陕西陕西) ) The price of this computer is the _ of the three. A. smallest B. biggest C. highest D. tallest 2.(2015江西中考 江西中考)This maths problem is very difficult. It is_ that one. A. so easy as B. as difficult as C. much difficult than D. less easier than c B 3、（、（14陕西陕西

16、)The _friends you have, the_ you will be. A more: happy B many: happy C. more: happier D. many: happier c 4. Its one of the _ (happy) things in the world to stay with friends. (2015 山东德州山东德州) I agree. It always makes us relaxed. happiest 6. Water is the cheapest drink. And its also _. (2015 河北河北) A.

17、 healthier B. healthiest C. the healthier D. the healthiest D 7. What do you think of Tom and Jerry? I think Jerry is_ than Tom. (2014 四川内江四川内江) A. much more outgoing B. very more outgoing C. much outgoing D. as outgoing as A 5. Do you like eating fish, Wang Han? (2016 浙江嘉兴浙江嘉兴) Of course. Nothing c

18、an be _, I think. A. delicious B. beautiful C. more delicious D. more beautiful C 总结总结（我的收获）（我的收获）： 作业：作业： 1、完成学案、完成学案Homework的习题。的习题。 2、巩固形容词和副词的比较等级、巩固形容词和副词的比较等级 结构，运用。结构，运用。 cleverest 教师寄语教师寄语: The harder you will study ,the more progress you will make. 越努力，取得的进步就越大。越努力，取得的进步就越大。 Good luck for you ! Thank you! Goodbye!