课件30张PPT。 Unit 4 computersfatfatterfattest To learn the usage of the comparative of adjectives and the superlative of adjectivesGrammar Yao Ming is taller than Liu Xiang.Liu Xiang is shorter than Yao Ming.The second bike is more beautiful
than the first oneThe second bike is more expensive
than the first one, tooermorethanred Yao Ming is the tallest of the four.Guo Jingming is the shortest of the four. The black camera is the most expensive
among the threeThe red camera is the most beautiful
among the threeestmostthelong
short
tall
warm
longershortertaller warmerlongestshortesttallestwarmest Rules:1.一般词尾+er/est请把下列词变成比较级,最高级nice
late
wise
largenicerlaterwiserlargernicestlatestwisestlargestRules: 2.以字母e 结尾+r/steasy
happy
busy
lazyeasierhappierbusierlaziereasiesthappiestbusiestlaziestRules:3.以y 结尾,改y为i+er/estbig
fat
thin
hotbiggerfatterthinnerhotterbiggestfattestthinnesthottestRules:4.一个元音+一个辅音字母结
尾的,双写最后辅音字母+er/estuseful
difficult
expensive
exciting
more usefulmore difficultmore expensivemore excitingmost usefulmost difficultmost expensivemost exciting Rules :5.多音节词,more/most+原级写出下列形容词的比较级和最高级1.big, heavy, dangerous, light,
2.large, important, young, busy
3.heavy, old, hard-working, wideThe usage of the comparative of adjectives1.比较级+than 2.越来越…The usage of the superlative
of adjectives1.the+最高级+in 范围 2.the+最高级+ of the three/
among the three.3.the+最高级+of all4. one of the+最高级+复数名词Shanghai is the largest city
in China.Paris is the
largest city
in Europe.America is the
strongest country
in the world.China is the
strongest country in Asia.Who is the tallest in our class?
Who has the longest hair in our class?
Who is the fastest runner in our class?
Who has the heaviest schoolbag in your group?
Who is the laziest student in your group?Discuss the following questions and answer
them with a whole sentence.The chicken is the heaviest of the threeThe beef is the lightest of the threeThe chicken is the heaviest
among the threeThe beef is the lightest
among the threeThe Himalayas is the highest
of the three.The Fuji is the most beautiful of the three.among the threelaptopThe blue laptop is the smallest
among the threeThe red laptop is the biggest among the threeDescribe the following things or persons with comparative and superlative of adjective1.my father , my mother, I
3.Chinese,English,maths
4.a tiger, an elephants, a bearplanes are the fastest of allBikes are the slowest of allMy husband is one of the most
important persons in my lifeZhou Jielung is one of the most
famous singers in ChinaYi Jianliang is one of the best
basketball players in the worldLi keqiang is one of the
most important leadersA PE lesson is one of the most important / useful subjectsWang Fei is one of the most
famous singersFu Yuanhui is one of the most interesting swimmersSentence structuresWho/Which is 比较级,A or B ?
Who/Which is the 最高级 ,A,B or C?Which is larger, China or India?
Which is the largest, China, India or Japan?Talk about the following with the sentence
structure.1.Huang River , Chang River, Zhu River
2.Mount Hua, Mount Huang
3.Chinese, French, Italian
4.Sichuang food, Guangdong food根据句意,用所给词的适当形式填
1.Skiing is___________ (interesting) than skating , so I like it.
2.The skirt is________(large) one
of the three skirts.
3.She made _________(few)
mistakes of all the students.more interestingthe largestthe fewest
4. I think the Great Wall is one of
__________(great) attractions in the world.
5.Who is______(tall) Jim or Mary.
6.Whose handwriting is ________ (beautiful), Lily’s, Tom’s or Lucy’s?the greatesttallerthe most beautifulsummery比较级用法比较级+than越来越最高级用法of the three/ among the threeof allone of the +最高级+复名in+范围Which is the+最高级,A ,B or C ?Which is+比较级,A or B ?more expensivelighterComplete the conversation below and on page 40 with the comparative of the adjectives from the box.heaviersmallerbiggerDavid: I’d like to see some of your cameras.
Salesman: Certainly. This is the most expensive model.
This is the cheapest model.
This is the newest and lightest model. abcB1 David is shopping for a camera. Look at the photos and write the letter of the correct model after each statement.(1)________
(2)________
(3)________Tony: Did they show you any cameras?
David: Yes. The (1)______________model is
(2)____________________________.
The (3)_______________model costs (4)_____________.
The (5)_______________model was made in (6)_______.
The (7)_________model weighs (8)______________.expensive light old smallsmallest99.8 mm x 56.4 mm x 24.5 mmmost expensiveoldestlightest¥3,5892010170 gB2 David told his friend Tony about his shopping trip. Complete David’s sentences with the superlative of the adjectives from the box.