八年级英语上册-Module-2-Science-and-technology-Unit-3-Computers-Grammar课件-(新版)牛津深圳版.ppt

1、 The parative of adjective形容词比较级Form the parative of adjective 比较级的形式比较级的形式adj.Comparative of adj.cheapcheapertalltallerinteresting more interestingexpensivemore expensiveMy brother is taller than me .This one is cheaper than that one.This film is more interesting than that one.Work out the rule To

2、form the parative of adjectives , we often add _to short adjectives and use _with long adjectives We often use _after the parative of adjectives.ermorethan Complete the conversation below and on page 40 with the parative of adjectives. Salesman: Can I help you, sir? David: Yes, I need a suitcase . C

3、an you tell me about these two? Salesman: Sure. The red one costs ￥2,500, and its made of leather. David: I see. The red one is _than the black one. What about the weight? Which one is _? more expensiveheavier Salesman: The black one. It is made of plastic(塑料）. Try them, sir. David: You are right. T

4、he red one is _ than the black one, and its _ than the black one. Salesman: Do you have a lot of things to carry? David: Yes, I do. I will have the black one because its _than the red one. Salesman: Thank you very much, sir.more expensivelighterbigger形容词形容词比较级的变化比较级的变化的规则：的规则：（一）单音节词（一）单音节词 ，双音节词的比较

5、级，双音节词的比较级一般在词尾加一般在词尾加er ；以字母以字母e 结尾，加结尾，加r ；以一个元音字母和一个辅音字母结尾，应双以一个元音字母和一个辅音字母结尾，应双写末尾的辅音字母，再加写末尾的辅音字母，再加er ； 以以“辅音字母辅音字母+y”结尾，先把结尾，先把y变变i，再加，再加er 。（5）以）以ly 结尾结尾 构成形容词词缀构成形容词词缀 如：如： friendly-more friendly （6）分词形容词前加）分词形容词前加more 如：如： boring interesting bored interested （7）以形容词后缀结尾的形容词前加）以形容词后缀结尾的形容词前

6、加more carful-more careful （8）特殊变化）特殊变化 well/ good -better many/much-more（二）多音节词的比较级（二）多音节词的比较级 前加前加moremore careful more beautiful 写出下列形容词或副词的比较级old_ young_ tall_ long_ short_ strong_ big_ small_fat_ thin_ heavy_ light_olderyoungertallerlongershorterstrongerbiggersmallerfatterthinnerheavierlighter n

7、ice_ good_ beautiful_ low_ high_ boring_ difficult_ late_ many_ much_nicerbetter more beautifullowerhigher more boringmore difficult later moremoreThe superlative of adjectives When we pare more than two people or two things , we use the superlative of adjectives.The red laptop is the smallest among

8、 the three We form the superlatives like this:AdjectivesSuperlative of adjectiveshighthe highestcareful the most carefulinterestingthe most interestingWork out the rule To form the superlative of adjectives, we often add_ to the short adjectives and use _with long adjectives. We usually use _in fron

9、t of the superlative of adjetives.estmostthe形容词形容词最高级的变化最高级的变化的规则：的规则：（一）单音节词（一）单音节词 ，双音节词的比较级，双音节词的比较级一般在词尾加一般在词尾加est ；以字母以字母e 结尾，加结尾，加st ；以一个元音字母和一个辅音字母结尾，应双以一个元音字母和一个辅音字母结尾，应双写末尾的辅音字母，再加写末尾的辅音字母，再加est ； 以以“辅音字母辅音字母+y”结尾，先把结尾，先把y变变i，再加，再加est 。（5）以）以ly 结尾结尾 构成形容词词缀构成形容词词缀 如：如： friendly-most friendl

10、y （6）分词形容词前加）分词形容词前加most 如：如： boring interesting bored interested （7）以形容词后缀结尾的形容词前加）以形容词后缀结尾的形容词前加most carful-most careful （8）特殊变化）特殊变化 well/ good -best many/much-mot（二）多音节词的比较级（二）多音节词的比较级 前加前加most the most difficult the most carful记住别忘了在最高级前加记住别忘了在最高级前加the 哦Read and pare :younglongfullshortsmallold

11、fineyounger youngestlonger longestfuller fullest shorter shortestsmaller smallestolder oldest finer finest记住别忘了在最高级前加记住别忘了在最高级前加the 哦easyhungryearlyheavybigredeasier easiesthungrier hungriest heavier heaviestbigger biggest redder reddestearlier earliestRead and pare : B1. David is shopping for a cam

12、era. Look at the photos and write the letter of the correct model after each statement. David told his friend Tony about his shopping trip. Complete Davids sentences with the superlative of the adjective from the box. expensive light old small Tony: Did they show you any cameras? David: Yes. (1)The

13、smallest model is (2)99.8X56.4mm X24.5mm. The (3)_model costs(4)_ The (5)_model was made in (6)_ The (7)_model weighs(8) _most expensive￥ 3589lightest170goldest2010Lets do more exercise 根据句意填入单词的正确形式：1. My brother is two years _(old)than me.2. Which is _(heavy),the elephant or the pig? 3. Is your si

14、ster _(young) than you? Yes, she is.4. Who is _(thin),you or Helen? Helen is.5. Whose （谁的）pencil-box is _(big),yours or hers? Hers is.olderheavieryoungerthinnerbigger I think English is _than maths. A. important B.more important C. most important D. importanter2.Mother gets up in my family. early B. earlier C. earliest D. the earlier3. The next morning Jenny got up even . early B. earlier C. earliest D. the earliest Thank you !