人教版（2024）八年级上册（2024）Unit 4 Amazing Plants and Animals Section A Grammar Focus教学课件ppt

这是一份人教版（2024）八年级上册（2024）Unit 4 Amazing Plants and Animals Section A Grammar Focus教学课件ppt，共28页。PPT课件主要包含了Revision，特殊记，写出下列单词的最高级，Review，Practice等内容，欢迎下载使用。
掌握新学单词和短语：land, African, rse, peny, ltus, butterfly, wing, frg, up t, weigh, ginkg, believe, prvince, take a walk。
掌握形容词及副词的最高级形式的构成。
Learning Gals
能正确使用最高级形式来描述或谈论人或物。
掌握最高级的常用结构和比较级表达最高级的用法。
mre interesting
We use cmparatives t say that ne thing r persn is “mre… than” anther.
Is Ella taller than Emma?
N, she is shrter than Emma.
Lk at these sentences abut animals and plants.
What if we want t talk abut the MOST f smething?
形容词比较级一般用在比较两个人或事物的时候。当对三者或三者以上的人或事物进行比较, 表示“最……”的含义时，需用最高级。
Read the sentences and translate.
Try t translate all the sentences.
Questin: Which parts f speech（词性） have superlative frms?
Read the sentences and ntice the wrds in bld. What are the ways t frm a superlative adjective r adverb?
D yu knw the rules?
Let’s figure ut the number f syllables f each, and see hw they are regularly changed.
单音节large最高级
双音节heavy最高级
双音节useful的最高级
双音节interesting的最高级
late—latest
early—earliest
big—biggest
重读闭音节、末尾只有一个辅音字母，先双写该辅音字母，再加-est
一般情况，单音节词在词尾加-est
以e结尾的词，只需加-st
以辅音字母加 y 结尾双音节词，变 y 为 i 后，再加 –est
部分双音节和多音节词在原级前加mst
tall—tallest
形容词和副词最高级构成 (规则变化)
quickly-mst quicklycareful-mst careful
fat-fattest sad-saddest
cheap-cheapestfast-fastest
fine-finestsafe-safest
happy-happiesteasy-easiest
difficult—mre difficult
最高级有规律，词尾加上 -est。结尾若有字母 e，直接加上 -st。辅音字母加 y，y 变 i，再加 -est。一辅重读闭音节，末尾字母要双写。形、副单词多音节，须把 mst 前面贴。
最高级规则变化助记口诀
形容词和副词最高级的不规则变化
friendliest
mst ppular
mst interesting
2. “主语 + be + the + 形容词最高级 + in/f 短语”意为“……是……中最……的”。
1. “主语 + 实义动词 + (the) + 副词最高级 + in/f 短语”意为“……在……中……得最……”。
This is the biggest city in China.She is the mst intelligent f all the students.
He runs (the) fastest in the class.This car sells (the) best f all the mdels.
Language pints
3. “主语 + be + ne f + the + 形容词最高级 + 可数名词复数 + in/f 短语”意为“……是……中最……的……之一”。
4. “疑问词（组）+ be + the + 形容词最高级，A，B r C?”用于三者的比较。
Shanghai is ne f the largest cities in China. This nvel is ne f the mst interesting bks f this year.
Which is the tallest, the tree, the building r the twer?Wh is the yungest, Tm, Lucy r Lily?
Which sprt d yu play best, basketball, ftball r tennis?When will the flwers grw fastest, in spring, in summer r in autumn?
5. “疑问词（组）+ 助动词 + 主语 + 动词原形 + (the) + 副词最高级，A，B r C?”
Munt Qmlangma is the first highest muntain in the wrld.The Yangtze River is the third lngest river n Earth.
6. “the + 序数词 + 形容词最高级 + 名词”意为“第几……的……”。
Let’s review! D yu remember these sentences?
Yu play the Chinese flute better than anyne else in ur music club. 你吹中国笛子比我们音乐俱乐部里的其他任何人都好。(你吹得最好)I lve playing sprts mre than anything. 我最喜欢运动。
“比较级 + than any ther + 可数名词单数”意为“比其他任何……都……”，强调在同一范围内作比较。He is taller than any ther student in his class.他比班上其他任何学生都高。= He is the tallest student in his class.他是班上最高的学生。说明：“他” 属于班级成员，与同班其他学生比较。
比较级表示最高级的用法
“比较级 + than any + 可数名词单数”意为“比任何……都……”，强调不在同一范围内作比较。A tiger is strnger than any deer in the frest.老虎比森林里的任何鹿都强壮。说明：老虎和鹿是不同种类的动物，不属于同一群体，强 调跨类别比较。
否定词与比较级连用可表达最高级的含义。— What d yu think f the TV shw? 你认为这个电视节目怎么样？— Great! I have never seen a better ne. 棒极了！我从没看过（比这）更好的电视节目。
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. 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.
Cmplete the sentences with the superlative frms f the wrds in brackets.
the mst beautiful
the mst clurful
(the) highest
the largest
（the）heaviest
ancient beautiful cmmn gd ppular
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.
the mst ancient
the mst cmmn
the mst ppular
Cmplete the passage with the superlative frms f the wrds in the bx.
一、单项填空1. Steve is ne f ________ bys in ur class. A. strngB. strngerC. mst strngD. the strngest2. It is the ________ clthes stre in the twn. A. gdestB. gdC. best D. better3. Mr Yang is very friendly t us. He is ________ f all the peple I knw. A. patientB. less patientC. the mst patientD. mre patient4. —What is yur favrite subject, Mary? —Of all the subjects, I like science ________ because it is interesting. A. wellB. betterC. bestD. the better
5. Wh sings ________, Tm, Jack r Bill? A. mre beautifulB. mre beautifully C. the mst beautifullyD. the mst beautiful6. (2025•黑龙江龙东中考） —The sight f the Yellw River is quite beautiful. Is it the lngest river in China?—N, it is ________ lngest river in China. It’s the “Mther River” f the Chinese peple.A. secndB. the secndC. a secnd
二、用括号内所给单词的正确形式填空
1. Elephants are the_________(large) land animals n earth.2. （2025•黑龙江龙东中考）After graduating frm his university, he chse ne f the __________ (far) villages in Heilngjiang t be a vlunteer.
3. She wrks ____________________ (careful) in her schl.4. Wh ges t bed ____________ (late), Jim, Tm r Jack?5. I think turkey is ______________________ (delicius) f all.
（the） mst carefully
（the） latest
the mst delicius