初中英语Unit 4 Amazing Plants and Animals Section A Grammar Focus评优课ppt课件

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能识别并总结形容词和副词最高级的构成规则；深入理解最高级的构成形式及定冠词 “the” 的搭配规则，明确最高级在描述 “最……” 特征时的语义功能。能够掌握并准确运用形容词、副词最高级及相关句式完成单句填空和语篇补全任务；能结合生活实际，用最高级描述身边的事物（如植物、动物、学习用品等），并与同伴交流，提升语法知识的实际运用能力。
Learning bjectives
Let’s enjy a sng.
先复习最高级构成规则再点击篮球。
形容词和副词最高级的构成一、单音节和部分双音节词：1. 一般情况下在词尾加-est；2. 以不发音的字母e结尾的单词在词尾加-st。3. 以“辅音字母 + y”结尾的双音节词，先把“y”改为“i”再加-est。4. 重读闭音节词尾只有一个辅音字母时，先双写该辅音字母，再词尾加-est。 二、多音节词和部分双音节词：在单词前加mst。
三、常见形容词、副词最高级不规则变化。
1. He swims very well. Yu swim better. I can swim best.2. Tm did badly in the exam. Jerry did wrse. Paul did wrst. 3. Yu have much hmewrk. She has mre hmewrk. I have the mst. 4. Yu've gt little chclate. He's gt less. I've gt the least.
形容词和副词最高级的含义及用法
形容词和副词的最高级用于三者或三者以上（人或事物）的比较，表示其中有一个在某一方面超过其他几个，意为“最……”。
(1) The cheetah runs the fastest amng all land animals.(2) The biggest land animal in the wrld is the African elephant.(3) This park is the mst beautiful f the three.
后面可用带有 f、in、amng 的短语等来说明比较的范围。
表示在某一场所或范围内“最……”，与​​in引导的介词短语​​连用。
表示在不少于三者的同类中“最……”，与​​f或amng引导的介词短语​​连用。
He is the tallest in the team.
He is the tallest f/amng all the students.
他是所有学生中最高的。
It is the smallest fish f the three.
He runs (the) fastest in his class.
形容词最高级前一般要加定冠词the；副词的最高级前面可以加定冠词the, 也可以省略。
They have the biggest seats.
She is my best friend.
These are the mst beautiful sunflwers.
Mike’s yungest sn is nly 2 years ld.
Wh is yur best friend, Lily, Betty r Alice?
Which runs the fastest, a car, a train r a plane?
Shanghai is ne f the biggest cities in the wrld.
She is ne f my best friends.
Elephants are ne f the heaviest animals.
The Yellw River is the secnd lngest river in China.
黄河是中国第二长的河流。
Tm is the third tallest by inur class.
Tm在我们班男孩中个子第二高。
He is the tallest in his class.=
He is taller than any ther student in his class.
He is taller than the ther students in his class.
小结：怎样用形容词比较级来表达最高级的意思。 结构为： 最高级 =比较级+than any ther+单数名词 =比较级+than the ther+复数名词
The teacher is glad t see that Tny is _______ than befre. (北京市) A. careful B. mre careful C. mst careful D. the mst careful— What is the wrld’s ________ muntain? — Munt Qmlangma. (河北省) A. lwer B. lwest C. higher D. highest
Nw peple can send messages with their vices. It is ________ than using a keybard. (辽宁-大连)A. fast B. faster C. fastest D. the fastestMike lives ________ frm schl f all the students, s he always takes a bus t schl.(辽宁-阜新)A. far B. farther C. further D. the farthest
— Is Larry as ________ as Oliver?— N, he isn’t. Larry is shrter.(辽宁-吉林)A. taller B. tall C. the tallestThe mre ________ yu drive, the ________ yu are.(黑龙江-大庆)A. careful; safer B. carefully; safer C. carefully; safely D. careful; safelyRunning is ne f ________ sprts in China.(湖南-湘潭)A. ppular B. mre ppular C. the mst ppular
Which clur d yu like _____, purple, range r pink? (江苏-徐州)A. well B. gd C. better D. bestDr. Yuan Lngping had a dream that he culd develp rice as ________ as peanuts. (湖北-黄石)A. large B. largest C. larger D. the largestHuawei Mate 40 is ________ f the three mbile phnes. (湖南-岳阳)A. expensive B. mre expensive C. the mst expensive
— What’s ________ muntain in the wrld?— Qmlangma. It is 8848.86 meters high accrding t the latest reprt.(四川-遂宁)A. higher B. highest C. the highest D. high— Which cuntry has a ________ ppulatin, China r Canada?— China. Canada is a lt ________ crwded than China.(四川-达州)A. bigger; less B. bigger; mre C. smaller; less D. smaller; mre
1. Amng all animals, I lve pandas the best. I think they are ___________(cute) animals in the wrld.
2. Which d yu think is _________________ (beautiful), the rse, the peny, r the ltus flwer?
3. Lk at that butterfly! It has ________________ (clurful) wings.
the mst beautiful
the mst clrful
4. Which animal jumps _____________(high), the lin, the mnkey,r the tree frg?5. The elephant birds were ___________(large) and ____________ (heavy) birds ever n earth. Sme culd stand up t three metres tall and weigh up t 860 kg.
(the) highest
the largest
the ginkg tree
It is ne f the ldest living trees n earth.It is a symbl f hpe and lng life.
The Millennium Ginkg at Zhngnan Muntain
Lcatin: Guanyin Chan Temple, Zhngnan Muntain, Xi’an, ChinaAge: Abut 1 400 years ld—Emperr Taizng f the Tang Dynasty planted it himself in AD 628 .Size: 21 m tall, with a crwn 19 m wide and a trunk 1.7 m acrss
The ginkg tree is ne f ________________ living trees n earth. Ginkg trees first appeared ver 200 millin years ag. Chinese peple lve the ginkg, as it is a symbl f hpe and lng life. Many Chinese believe that the ld ginkg tree in the Zhngnan Muntains in Shaanxi Prvince is _________________. This tree is ver 1,400 years ld. Thusands f turists cme t see it each year, especially in mid-Octber, as it is _______ time t see it. The ginkg tree is ne f _________________ trees in streets, parks, and gardens acrss China. When autumn cmes, ne f _________ ________ activities is t take a walk under ginkg trees. Peple believe the bright yellw leaves can bring jy t their heart.
ancient, beautiful, cmmn, gd, ppular
the mst ancient
the mst cmmn
wing, weigh, rse, Africa, warm, land
一、用方框中所给单词的适当形式填空。
It’s true that hme is the _________ place wherever we g.The ________ elephant is usually larger than the Asian elephant.The butterfly’s _______ are s clurful that it attracts many children.The new suitcase _______ a lt even when it is empty.After a lng time flight, the plane finally safely ________ yesterday.I believe the _____ is the mst beautiful flwer in the wrld.
N ther student is mre talented than Mike in ur class. (改为同义句) Mike is the _____ ______ ________ in ur class.这本书比其他任何书贵, 但是它是其中最好的。 This bk is _____ ______ _______ any ther ne, but it is _____ ____ f all.每周末, 他喜欢在越秀公园散步。 Every weekend, he likes ___ ____ __ ___ inYuexiu Park.北极熊的体重可达800千克。 Plar bears can _____ ____ __ 800 kilgrams.
mst talented student
mre expensive than
t take a walk
Find the Tp 5 plants r animals, using at least five accurate superlatives.