江苏省句容市后白中学八年级英语上册 8A Unit 1 Friends Grammar 1教学案（无答案） 牛津版

8A Unit 1 Friends Grammar 1班级 学生姓名: 家长签名： 教学目标知识目标：掌握形容词的比较级和最高级的构成和基本用法。能力目标： 1）能够运用形容词恰当地描述人或事物。 2）能够初步运用形容词的比较等级来比较人或事物。情感目标：学会欣赏别人, 学会珍爱友谊。教学重点1.形容词的基本用法。 2.形容词比较级和最高级的构成及基本用法。教学难点1.形容词的基本用法。 2.形容词比较级和最高级的构成及基本用法。教学方法Reading 、Speaking教具Tape recorder, small blackboards一、课前预习：1、预习教材P11-12的内容和知识点讲解，写出下列形容词的比较级和最高级：1) slim_ _ 2) early_ _ 3) sad _ _ 4) bad_ _ 5) little_ _ 6) well _ _7) pretty_ _ 8) close_ _ 9) much_ _ 10) good_ _ 11) far_ _ 12) interesting_ _ 13) tired_ _ 14) bored_ _2、根据句子意思及汉语提示，写出合适的单词：1. She is very h_. She often makes others laugh. 2. You will do well in the English _(竞赛).3. Last summer, we had f_ in Qingdao.4. This is one of the _（好的） printers in the shop.5. This question is difficult, but that one is e_.二、教学过程（一）新课导学/课堂精讲：知识点讲解：1、用形容词描述人或物时，可以放在名词前也可放在系动词后，即：形容词+名词adj. + n. ；系动词+形容词 be + adj. e.g. She has long hair. Her hair is long.2、形容词比较级、最高级的构成 （1）规则变化 1）单音节词和少数双音节词 a. 一般情况在原级词尾加-er构成比较级，加-est构成最高级。如：highhigherhighest。练习：tall_ _ short_ _ b. 以e结尾的词，直接加-r 或-st。如：largelargerlargest。 练习：late _ _ fine_ _ nice_ _c. 重读闭音节，末尾只有一个元音字母加一个辅音字母的词，先双写这一辅音字母再加-er或 -est。如：bigbiggerbiggest。练习：fat _ _ hot_ _ thin _ _ red_ _d. 以“辅音字母 + y”结尾的词，先变 “y”为 “i”，再加-er 或-est。如：happyhappierhappiest。 练easy_ _ sunny_ _heavy_ _ thirsty_ _ busy_ _2）大部分双音节词和所有多音节词 在原级前加more构成比较级，加most构成最高级。如：dangerousmore dangerousthe most dangerous。 （2）不规则变化 oldolder / elderoldest (表示新旧或年龄) / eldest (表示兄弟姐妹间的长幼关系) （3）一些词的比较级和最高级，可以加-er或 -est，也可以加more或most，如：clever, polite等。 （4）一些词本身没有比较级和最高级形式，如：right, wrong, full, empty, round, complete, wooden, dead, daily等。 3、形容词比较级的用法 （1） 两者比较时用形容词比较级，其结构为“. 比较级 + than .”。如：Actions speak louder than words. （2）在两者之间选择“哪一个更”时，用句型 “Which / Who is +比较级, . or .?”。 如：Which sweater is cheaper, the red one or the yellow one? （3）表示“两者之间最的一个”时，用“the + 比较级”。 如：Lucy is the taller of the twins. （4）表示“越，越”时，用“the + 比较级，the + 比较级”。如：The more you eat, the fatter you will become. （5）表示“越来越”时，用“比较级 + and + 比较级”，多音节词和部分双音节词用“more and more + 形容词原级”。如：We should make our country more and more beautiful. （6）形容词比较级前可以用下列词修饰：much, a little, far, a bit, a few, a lot, even, still, rather等。如：Its much colder today than yesterday. 4、形容词最高级的用法 （1）三者或三者以上的人或物进行比较时，用形容词最高级形式。形容词最高级前通常需加定冠词the，句末常接in / of短语来表示范围。如：He is the strongest of all the boys. 5、形容词同级的比较： 主语+谓语(系动词)+as+形容词原形+as+。表示两者对比相同。This box is as big as mine.这个盒子和我的一样大。This coat is as cheap as that one. 这件衣服同那件衣服一样便宜。 I study English as hard as my brother.我同我兄弟一样学习努力。注：用形容词表示类别和整体:the + 形容词 表示某种人。 He always helps the poor. 他经常帮助穷人。I like to have a talk with the young.我喜欢同年轻人谈话。（二）课堂练习/课堂精练： 用所给词的正确形式填空：1）. I find Lucy the _ (clever) of the two girls.2）. My sister is two years _ (old ) than I.3）. Johns parents have four daughters, and she is the _ (young) child.4）. The _ (cheap) bags are the not usually the best ones.5）. The short one is by far(到目前为止) _ expensive of the five.6）. The boy is not so _ (interesting) as his brother.7）. Dick sings _ (well), she sings _ (well) than John, but Mary sings_(well) in her class.8）. She will be much _ (happy) in her mew house.选择填空：（ ）1) He feels _ today than yesterday.A. tired B. more tired C. more tireder D. much tired（ ）2). Which do you like _, coffee, tea or milk?A. the worst B. worse C. the worse D. worst（ ）3). The line is _ than that one.A. more longer B. not longer C. much more longer D. many more longer（ ）4). The book is _ of the two.A. thinner B. the thinner C. more thinner D. the thinnest（ ）5). She looks _ than she does. A. the more older B. very older C. much older D. more older（ ）6). The garden is becoming _.A. more beautiful and more B. more beautiful and beautifulC. more and more beautiful D. more beautiful and beautifuler三、课