新译林版八年级上册英语 Unit 1 课时4 Grammar教学课件

1、Unit 1 FriendsGrammar学习目标1.掌握形容词比较级和最高级的构成；2.学会正确使用形容词比较级来比较两个人或两件物品；3.学会正确使用形容词最高级来比较三个或超过三个的人或物品。新课导入Betty has short hair . Her hair is short. short adjective (形容词) after新课导入Bettys hair is shortBettys hair is shorter than Mays (hair).Mays hair is longer than Bettys (hair).Compare them 新课导入The whit

2、e jeep is longer than the black one. The black jeep is shorter than the white one. Compare them 新课导入Her hair is longer than mine.Her hair is the longest in the world. comparative 比较级superlative 最高级新课导入The black and white dog is the happiest of the three.The yellow dog is still happier.The white dog

3、is very happy. Compare them 新课导入the biggestbiggerbigCompare them 新课讲解 形容词通常有三种形式: 原级，比较级和最高级，用来表示人或事物在某方面的不同程度。比较级和最高级(Comparative and superlative adjectives) Comparatives(比较级)We use them to compare _ things/people and add _ after them.B. Superlatives(最高级) We use them to compare _ things/people and

4、add _ or _ before them.two thanthree or moretheones新课讲解形容词比较级和最高级形式形容词原级比较级最高级短词 tallsmall词尾er词尾esttallertallestsmallersmallest一、规则变化新课讲解形容词原级比较级最高级以不发音的e结尾的形容词nicefine以辅音字母y结尾的形容词prettyeasy把 y 改成 i + er+ stnicernicestfinerfinest把 y 改成 i + estprettier+ reasierprettiesteasiest新课讲解形容词原级比较级最高级重读闭音节,结尾只

5、有一个辅音字母slimbig 长 词beautifulimportant双写最后一个辅音字母 + estslimmerslimmestbiggerbiggest双写最后一个辅音字母 + er前面 + more前面 + mostmore beautifulmore importantmost beautifulmost important新课讲解特殊形容词原级比较级最高级goodbad/illlittlemuch/manyoldfar better bestworse worst二、不规则变化lessleastmoremostolder/elderoldest/eldestfarther/fur

6、therfarthest/ furthest新课讲解AdjectiveComparativeSuperlativefunnybadhealthycarefullargesmartslimfunnierfunniestworsehealthierworsthealthiestmore carefulmost carefullargerlargestsmartersmartestslimmerslimmestComplete the table below.新课讲解Good, better, best,Never let it rest,And till good is better,Better

7、 is best. !A Poem新课讲解形容词比较级的句型结构He is older than you.主语+动词+形容词比较级+than+比较对象形容词最高级的句型结构Im the oldest of the three.主语+动词+形容词的最高级+of +比较对象（+ in + 比较范围 ）新课讲解Model: Donald is _(neat) Sam.neater than1.Jane is _(tall) Amy.2.Carl is _(heavy) Jack.3.I am _(fat) Betty.4.The pie is _(good) the cake.5.Julie is

8、_(thin) John.6.Her parents arent _(rich) his.7.My home isnt _(far) hers.taller thanheavier thanfatter thanbetter thanthinner thanricher thanfarther than新课讲解Model: Brian is _(smart) person I know.the smartest1.Marvin is _(clever) boy .2.Uncle is _(interesting) person in our family.3.We have _(large)

9、room in the building.4.Mel is _(lazy) student of all.the cleverestthe most interestingthe largestthe laziest新课导入MillieSandyAmyPeterKittySimonHeight (cm)157170160168173171Weight (kg)455044554053Swimming(sec/50m)403830343635Drawing competition9/1010/105/105/106/108/10English test10/108/109/106/108/107

10、/10Profile 当堂小练Simon is _ (tall) Kitty.Peter is _ (tall) student of the six students.Sandy is _ (heavy) Millie.Peter is _ (heavy) student of the six students.Millie is _ (slow) swimmer of the six students.taller thanthe tallestheavier thanthe heaviestthe slowestReport 当堂小练6.Amy is _ (fast) swimmer o

11、f the six students.7. Millies drawing is _ (beautiful) Simons.Sandys drawing is _ (beautiful) in the drawing competition.Millies English is _ (good) Amys. Millies English is _ (good).more beautiful thanthe most beautifulthe fastestbetter thanthe best新课讲解adj./adv.比较级用法1. 表一方超过另一方用“比较级 + than”2. 表一方随另

12、一方变化而变化(越, 越): “the +比较级 (+主 +谓),the+比较级 (+主 +谓)” eg. 1) 越高越坏。 2) 越晚越危险。The higher, the worse.The later, the more dangerous.新课讲解adj./adv.比较级用法3. 表本身程度变化(越来越):比较级+and +比较级eg. 1) 他的鞋子越来越脏。 2) 衣服越来越贵。 3) 她们跳得越来越美。His shoes are dirtier and dirtier.more +and more+原级 只用于以“more”构成比较级的词Clothes are more and

13、more expensive.They dance more and more beautifully.新课讲解adj./adv.比较级用法4. “the + 比较级 + of 两者”表示“在两者中较”e.g. Lily is _ (short) of the two girls.the shorter5. 为免重复，在than后常用one(s), that, those等词来替代前面提到过的名词。e.g. The weather there is better than _ in Nanjing. A. one B. it C. that D. those新课讲解adj./adv.比较级用法

14、6. 在比较级前可用 much, even,a little, a lot和still等来修饰e.g. Now the air in our hometown is _ than it was before. A. much better B. more worse C. more better D. much worste.g. He ran even _ (happy ) at that time.more happily新课讲解adj./adv.比较级用法7. 同义句：比较级+than any other +单数名词 =比较级+than the other +复数名词 =最高级+范围eg

15、. Spring is the best season of the year. =Spring is better _ _ _ season of the year. =Spring is better _ _ _ seasons of the year.thananyotherthantheother新课讲解最高级/比较级/同级比较的相互转换： Shanghai is the biggest city in China.=Shanghai is bigger than any other city in China.=Shanghai is bigger than the other ci

16、ties in China. Lucy is the most interesting student in our class.=Lucy is more interesting than any other student in our class.=Lucy is more interesting than the other students in our class.新课讲解adj./adv.最高级用法1.三者或以上相比, 表示最高程度用 “the + 最高级”adv.最高级可省略the*最高级后常有介词短语(of/among/in ) 来表示范围。adj.最高级也可用ones替代t

17、heJack is our best friend.Tom is the tallest one of three.This book is the cheapest one among these books.It is the biggest city in China.新课讲解adj./adv.最高级用法2. one of +the +最高级+复数名词表示“最之一”e.g. The hair clip is one of _ (pretty) among those ones. He was one of _(fast) _(swim) of all.the prettiestthe f

18、astestswimmers新课讲解e.g. Changjiang is shorter than Huanghe, but longer than the other rivers in China. =Changjiang is _ _ _ river in China.adj./adv.最高级用法3. the second/third/fourth+最高级表示“第几”e.g. Millie is the third _(tall) in her class. tallestthesecondlongest新课讲解 1. 最高级用于三者及三者以上。 2. 形容词的最高级前要用定冠词the。

19、 3. in+范围、of/ among+同范畴的词 in my school in the world, of the three among all the boysHe is the tallest in the class.She is the best of all the students.新课讲解1. 修饰原级： very, quite, so, such, much too, too2. 修饰比较级： much, far, even, too much, a little, a bit3. 易混淆的两个句型： He is the tallest (tall) of the 3 s

20、tudents. He is the taller (tall) of the 2 students.新课讲解4. 重要的句型转换： He is the tallest in our class. He is taller than anyone else in our class. any other student in our class. (all) the other students in our class.No one else is taller than him in our class. 5. 易混淆的： Wuhan is bigger than _ city in Ch

21、ina. Wuhan is bigger than _ city in Jiangsu. A. all the other B. any C. other D. any other6. one of + the + 最高级 + 名词复数形式 Changjiang is one of the longest rivers in China.any otherany 课堂小结一、英语中形容词通常有三种等级 原级、比较级和最高级，用来描述人或事物在某个方面的不同程度。其中比较级的构成分为规则变化（分为长词变化规则和短词变化规则两类）以及不规则变化。如：long longer longest, imp

22、ortant more important most important, many/much more most语法小结课堂小结二、当把两个人或事物作比较时要用比较级。即：两者之间用比较级。如：Who is more generous, Kitty or Sandy? 三个及以上的人或事物之间进行比较时要用最高级，即三者及以上用最高级。如：Whose drawing is the most beautiful, Millies, Sandys or Amys?三、比较级常和than连用，最高级常和三者及以上的范围连用，如: in her class, of the three, of all

23、, among the six students, in China等等。当堂小练( ) 1. My mother is _ in our family. A. busiest B. the busiest C. busier D. busy( ) 2. This apple is _ of all. A. redder B. the redest C. the reddest D. reddest( ) 3.Which pen is _ , this one or that one? A. dear B. dearest C. the dearest D. dearer( ) 4. Kate

24、 is _ than all the other girls. She is _ of all. A. taller , tallest B. taller , the tallest C. the tallest , tallest D. tallest , the tallest( ) 5. _ of the two men is my uncle. A. The older B. Old C. The oldest D. Oldest BCDBAMultiple Choice当堂小练格林先生是这四个人当中最高最胖的。 Mr Green is _ and _.2. 小香蕉往往比大香蕉好。

25、Small bananas are often _. 3. 我的铅笔比你的短得多。 My pencil is _.4. 在中国，哪一条河流最长？ Which river is _ in China?the tallestfattest of the fourbetter than big onesmuch shorter than yoursthe longestTranslation 当堂小练格林先生是这四个人当中最高最胖的。 Mr. Green is _ and _.2. 小香蕉往往比大香蕉好。 Small bananas are often _. 3. 我的画是绘画比赛中最美的。 My

26、drawing is _ .the tallestfattest of the fourbetter than big onesthe most beautiful in the drawing competitionTranslation My drawing is more beautiful than any other drawing in the drawing competition.My drawing is more beautiful than all the other drawings in the drawing competition.当堂小练用括号内所给形容词的正确形式填空。John is fifteen. Kate is fourteen. Lily is thirteen. John is _ (young). But he is _ (old) than Kate and Lily. Kate is _ (young) than John but _ (old) than Lily. Lily is _ (young) of all.Jacks mooncake is _ (