英语人教版八年级下册复习形容词副词的比较级和最高级.docx

形容词副词比较级最高级导学案授课班级：1504 授课教师：_樊春妮 听课教师：_教学目标 ：1、理解形容词,副词； 复习巩固形容词原级，比较级，最高级的变化规则。2、熟记形容词原级，比较级，最高级的用法。 3、能用本节课所学语法结构完成典型题例，培养自我分析解决问题的能力及准确率。 重、难点：准确使用形容词，副词的三个级教学过程： Step 1、Have a try.学生完成学习任务发现自己问题，交流答案，尝试总结什么时候用形容词，什么时候用副词，并对规则和不规则变化的词进行复习任务一：1、 形容词的位置:放在名词的_面, （eg. old man） 是常放在_后面；(be happy) 如果和不定代词搭配，则放在不定代词的_ 面(eg. something new)。2 、副词修饰_或_，(eg. study hard, speak English well, terribly sorry). 大多数的副词以-ly结尾(eg. slowly, carefully)。提问：根据形容词和副词在句中的作用，你知道什么时候用形容词，什么时候用副词吗？ 形容词位于_词的前面作定语，位于_词的后面作表语; 副词与_和_词是邻居。 任务二：大多数的形容词、副词有三个等级：原级、_和_。比较级和最高级的变化规则:1) 单音节词和部分双音节词： 一般在原级词尾加 _ 或 _构成。 以e结尾只加_或 _构成。 以重读闭音节结尾且末尾只有一个辅音字母，先_写这个辅音字母再加_ 或_构成。 以“辅音字母+y”结尾的双音节词，变y为_再加_或_构成。2) 多音节词、以ed、ing结尾的形容词或形容词加ly: 在原级前加_或 _构成。3) 不规则形容词的比较级和最高级任务三：做一做e.g.high- higher- highesttall _ _ short _ _ fine _ _ late _ _ wide _ _ big _ _ thin _ _ fat _ _ easy _ _ funny _ _ early _ _ slowly _ _ quickly _ _ beautiful _ _ interesting _ _ comfortable _ _ comfortably _ _ good / well _ _ many / much _ _ little _ _ bad / badly _ _ far _ / _ _ / _old _ / _ _ / _ 注：older 一般指年龄大小； My father is older than my mother. elder指长幼关系(一般修饰名词作定语); My elder brother is a driver. farther指距离更远； further指抽像的. I want to study English further.形容词前如加 less 和 least 则表示较不和最不important 重要 less important 较不重要 least important 最不重要Step 2、Presetation学生独自完成A 部分，师生共同总结用形容词原级的情况，B C部分小组讨论并总结比较级，最高级的用法，展示交流。A： 原级的用法1)表示双方程度相同或不同时。肯定式用_表示”与.一样”。否定式用_表示“不如(及).”。She is as tall as her mother.Thisstoryisntasinterestingasthatone 2)very、so、quite、too等词后用原级 He is very happy today.3)too to ; so that ;as as 中间用原级 同义句转换 1、 He is not old enough to go to school. He is _young _go to school. =He is _young _he cant go to school . 2、His father is 37 years old. His mother is 37 years old, too.= His father is _ _ _his mother B : 做一做1、This book is _(interesting ) than that one. 2、Which is _ (easy), math or English? 3、This city is much _(beautiful )than that one.4、Today is even _(hot ) than yesterday.5、Tom is _ (tall) of the two boys. 6、My father is three years_( old) than my mother. 7、Now it is _ and _(warm). 8、The _（much）you eat, the _(fat) you will become.通过这些句子来总结比较级的用法 :1)两者之间的比较，句中有明显的标志词_； 2)Which/Who is + 比较级, A or B ?3)能修饰比较级的副词及短语：much(的多)， _(的多)，_(更)， _(一点儿)等4)形容词比较级也可用句型“the + _ + of the two”,译为“两个中比较.的那个”。5 )“_ + and + _”或“ more and more + _”， 译为“越来越”。 6)“the + _ +， the + _ +”，译为“越，就越”。7)比较级与最高级的互换 Tom is taller than any other boy in his class. =Tom is taller than the other boys in his class. =Tom is the tallest boy in his class.“比较级 + than any other + _”，译为“比其他任何.都.”，表示_级的含义C:做一做1、She is the _(strong)est girl in her class.Of all the students, she is the_( clever) .2、Shenzhen is one of _( big )_(city) in China. 3、The Yellow River is the second_ (long) river in China.4、Which is _(big) , the moon, the earth or the sun ?5、Today is my _(最高兴的) day.最高级的用法:_者或_者以上相比，用最高级。_词的最高级前要加冠词the。1) 表示比较范围的介词短语：一般由_或_引导。2) 句型 “one of the + 形容词最高级 + _” 表示 “最.的.之一”。3) 句型“the+_+形容词最高级+_”表示“第几最.”。4) 选择疑问句可用最高级形式。5) 若最高级前有_限定，则不用the. Step 3、Practice中考习题，巩固练习，并查漏补缺( ）1. She prefers football because she thinks its _ among all sports. A. interesting B. more interesting C. the most interesting( ) 2. Listening is just as _ as speaking in language learning. A. important B. more important C. the most import ( ) 3. Spring is _ of the four seasons. A. the better B. the bestC. best( ) 4. With the increasing number of readers, _ copies of the magazine are needed. A. many B. more C. most ( )5. The smile on his teachers face shows that she was _ with my work. A. angry B. pleased C. sad ( )6. If you want to know _ what a word means, you can look it up in a dictionary. A. exactly B. mostly C. hardly ( )7.“Please dont be angry with me.”Said Amy laughingly. This made me even _ A. angry B. angrier C. angriest( )8. Li Huas shoes are as _ as ZhangHuis A. cheap B. cheaper C. the cheapest( )9. If there is _ pollution, the air in our city will be _dirtier. A. less; more B. more; much C. more; more( )10. Breakfast is _ meal of the day. It provides us with energy after a long night without food. A. important B. more important C. the most important( )11. To live a green life, we should try to save _ energy and produce _ pollution. A. more , less B. less, more