比较级最高级导学案.doc

课题： Grammar形容词副词原级比较级最高级的用法【学习目标】1. 形容词和副词比较级最高级的构成方法：规则方法和不规则单词的变化。2. 正确掌握形容词副词原级比较级最高级的用法。【重难点】1.形容词和副词比较级最高级的构成方法：规则方法和不规则单词的变化。2.比较级的常用句型。3.最高级的常用句型。【使用说明与学法指导】1.限时自主完成，规范书写，独立思考；小组合作探讨，答疑解惑。2.小组长要控制好预习进程，督促各层组员将任务预习完毕。 A层同学要预习完导学案，完成知识构建，并对知识进行拓展 延伸。 B层同学要预习完导学案，并完成知识构建。 C层同学要预习完导学案，并完成知识构建内容的80%。 预习自测:一、踊跃回答问题：who runs fastest in your class?Who draws best in your class?Which season do you like (the) best，spring，summer or autumn？Who does better in English, the boy or the girl?Who works harder , you or he?Do you write more carefully than him? 【探究案】探究活动一：（自主学习）大多数的形容词、副词有三个等级：原级、_和_。一.比较级和最高级的构成(填空并举例)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: 在原级前加_或 _构成。3) 部分不规则变化。二. 原级的用法(填空并举例)1. 表示双方程度相同或不同时。肯定式用_表示。否定式用_表示。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 A + be + not as/so + 原级+ as B A不及B This story isnt as interesting as that one.He is too young too young to go to school.三. 比较级的用法(填空并举例)1) 两者进行比较时，用_表示。两者之间的比较，句中有明显的标志词thanTom is taller than John2、Which/Who is + 比较级, A or B ? Which is easier, maths or English? 3、能修饰比较级的副词及短语：much(的多)、 a lot(的多)、even(更)、still（更）、a bit(一点儿),a little (一点儿)This city is much more beautiful than that oneToday is even hotter than yesterday.4、 is the +比较级 + of the two. Tom is the taller of the two boys. 汤姆是这两个男孩中较高 5 “_ + and + _”或“ more and more + _”， 译为“越来越”。 6“the + _ +， the + _ +”，译为“越，就越”。7“比较级 + than any other + _”，译为“比其他任何.都.”，表示_级的含义。 8 形容词比较级也可以用句型“the + _ + of the two”, 译为“两个中比较.”。四. 最高级的用法: _者或_者以上相比，用最高级。_词的最高级前不加冠词the。1) 表示比较范围的介词短语：一般由_或_引导。2) 如果形容词最高级前面有序数词，那么序数词应放在_词之后。The Yellow River is _（第二长河）in .China.3) 句型 “one of the + 形容词最高级 + _” 表示 “最.之一”。4) 选择疑问句可用最高级形式。 Which is the biggest, the sun ,the moon or the earth? 5）. 有些形容词没有_级和_级形式，如：right, wrong, empty等。当堂检测： 一用所给词的适当形式填空。1.Why dont you make it a little _ ( early ) ?2.Tom does _ ( well ) in English than Tim .3.This book is not as _ (interesting) as that one.4.Mr Smith is one of the _ ( popular ) doctors in our town .5.Winter is season of the years. (cold)6.It is much_ today than yesterday. (hot)7.Which book is _, this one or that one? (easy)8.He is one of the_ _(friendly) people in the class, I think. 9. A dictionary is much (expensive) than a story-book.10. An orange is a little (big) than an apple, but much _ (small) than a watermelon.二选择最佳答案。1.Jane looks so _today because she has got an “A” in her maths test .A.happy B.happily C.angry D.angrily 2.This second-hand camera is much _than that new one .A.cheap B.cheaper C.dear D.dearest3.-I will give you some nice picture books .Good . The _, the _.A.more , better B.many , better C.most,best D.much , better4. Im much _ today, but she is even _ .A. well, illB. well, worseC. better, illD. better, worse5. My study (n.书房) is _ as yours. A. not as bright B. not so brighterC. not brightD. as not bright6. It is one of the _ and _ streets in the city.A. wider, more beautifulB. wider, most beautifulC. widest,