形容词和副词的比较等级
教学反思(人教版英语八年级) |
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◆Teacher′s words: It′s better to teach a man fishing than to give him fish. ◆Learning aims: 1. Knowledge aim :掌握形容词、副词比较等级的用法。 2. Ability aim :能够根据不同的语言环境,正确运用形容词、副词比较的等级。 3. Emotion aim : 培养学生明辨是非的能力。 ◆ Learning steps ﹙自主 合作 探究﹚ Step 1. 比较级、最高级的构成 (1)单音节和少数双音节词 ①一般在词尾加er或est tall______ ______ short______ ______ long _____ ______ warm ______ ______ ②以e结尾的只加r或st nice_____ _____ large______ ______ ③以辅音字母加y结尾的,先变y为i,再加er或est heavy______ ______ easy______ ______ busy______ _______ funny______ ______ early______ _______ ④以重读闭音节结尾的词,先双写最末的一个辅音字母,再加er或est big______ ______ thin______ ________ fat______ ______ red______ ________ (2)多音节和部分双音节词,前加more为比较级,加(the)most为最高级 careful____________ _____________ important_____________ _____________ popular_____________ _____________ 3)不规则变化的词 good/well_________ __________ bad/ill/badly__________ ___________ many/much__________ ____________ little __________ ___________ old→older/elder→oldest(指年龄大小)/eldest(指长幼顺序) far→farther/further→farthest(指距离)/furthest(指程度) Step 2形容词和副词比较级的用法 形容词和副词比较级的用法 ,是指两者之间作比较。 ①用于两者比较,表示“A比B更…”: “A+动词+形容词比较级+than+B, eg.I am two years ______﹙old﹚than my little sister. She gets to school_______﹙early﹚ than the other students. I think real cards are ______﹙nice﹚than e-cards. A + be + less than + B This sunglass is less expensive than that one .﹙译成汉语﹚ ______________________________________________. ③A比任何人或事物都… △ A+be+比较级+than any other+单数名词 =A+be+比较级+than the other+ 复数名词 eg.The Changjiang River is_______﹙long﹚than any other river in China. =_________________________________________________ . =_________________________________________________. ④表示某个范围内的两者相比: “A十动词十the+比较级+of the two短语(比较范围)” eg.Penny is the______﹙thin﹚ of the two girls. ⑤A几倍于B A + b + 倍数﹙once\twice\three times\…﹚ + as + 原级 + as +B This box is twice as heavy as that one. ⑥特殊句型 : ★Which + 谓语动词 +比较级 , A or B ? eg. Which is ______﹙big﹚, the moon or the earch? ★表示“越来越…”:“比较级+and+比较级” eg.In spring the days are getting _________.春天,白天变得越来越长。 ★表示“越…越…”:“the+比较级…the+比较级” eg.______ you practice using English,________ you’ll learn it 你英语练得越多,就会学得越好。 注意 :可以用much,far,even,a bit,a little,a lot等修饰比较级表示程度,但决不可用very修饰。 ⑦用于两者之间的同级比较,表示“…和…一样”: △A+系动词+as+形容词原级+as+B, eg.Bill is as _____﹙tall﹚as his father. △“A+谓语动词+as+副词原级+as+B” eg.Lucy speaks Chinese as______﹙good ﹚as Lily. ⑧表示甲在某方面不如乙: △“A+系动词+not as/so+形容词、副词原级+as十B” eg.These books aren’t as ________﹙interesting﹚as those. △“A+助动词/情态动词+not+谓语动词+as/so+B” eg.She didn’t write so________﹙care﹚ that night as she usually does. ★ 可以用much,far,even,a bit,a little,a lot等修饰比较级表示程度,但决不可用very修饰。 eg.Tom is a little_______﹙heavy﹚ than Mike.Tom比Mike稍重一点; it is even_______﹙cold﹚today than yesterday。 今天甚至比昨天更冷 ⑨在比较级中,为了避免重复,可用that或those代替前面提到过的事情。 eg.The weather here is much hotter than that of our hometown. ﹙译成汉语﹚ _____________________________________________________. The pants in this shop are a lot better than those in that shop. ﹙译成汉语﹚ _____________________________________________________. Steps 3 形容词和副词最高级的用法 对三者或三者以上的人或物进行比较时用最高级。形容词最高级前面要加定冠词the,副词最高级前可加the,也可省掉the;后面可带of/in短浯来说明比较范围: ①“主语+系动词+the+形容词最高级+of短语/in短语” eg.M ary is _________﹙hard-working﹚of us all. ②表示“第几最…” : The + 序数词 + 形容词最高级 + 名词单数 The Yellow River is _____________﹙第二长河﹚in China. ③表示A是最……之一: A +be +one of the + 最高级 +名词复数 Mr Green is one of ____________ ﹙populer﹚teachers in our school. ④ Which + 谓语动词 + the + 最高级 , A ,B or C? Which is ____________﹙big﹚, the moon , the earch or the sun? Step 4 课堂小结 这节课,我具体掌握了________________________________________ Step 5 巩固性练习 1.The box is _______ that one . A.as three times as B.as three times big as C. three times as big as 2.Now the air in our town is____ than it used to be. Something must be done to it. A. very good B. much better C. rather than D. even worse 3. I feel __ better than yesterday. A. more B. very C. the D. much 4. China has a large population than __ in the world. A. all the countries B. every country C. any country D. any other country 5.Hainan is a very large island. It’t the second___ island in China. A.large B. larger C. largest D. most large 6.Which is __ season in Beijing? I think it’s spring. A.good B.well C. best D.the best 7.When an earthquake happens,and you are outdoors,you should keep calm and go to an open area as______ as possible. A.slowly B.quickly C.quietly D.widely 8. The garden is becoming ______. A. more beautiful and more B. more beautiful and beautiful C. more and more beautiful D. more beautiful and beautifuler 9. The book is ____ of the two. A. thinner B. the thinner C. more thinner D. the thinnest 10.____ you speak English ,______your spoken Englis will be. A.The more,better B.More ,the better C.More.the better D.The more, the better 二.用所给词的恰当形式填空。 1.Which is ______ (beautiful),the black coart or the blue one? 2.This cake is _______ (cheap) of all. 3.Beijing is one of ________ (big) cities in the world. 4.This book is ________ (use) than that one . 5.The population of China is much________﹙lardg﹚than that of Japan. Step 6 Homework ﹙整理错题﹚ |
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