2015八年级英语上册Unit 4 Section A 2(人教版)优秀PPT课件

1、Unit 4,Section A Period 2 (3a-3c),写出下列单词的比较级 1. tall _ 2. quiet _ 3. funny _ 4. heavy_ 5. thin_ 6. big _ 7. outgoing _ 8. wild _ 9. little _ 10. well _ 11. bad _ 12. many _,Revision,taller,quieter,funnier,heavier,thinner,bigger,more outgoing,wilder,less,better,worse,much,Grammar,形容词比较级一般用在比较两个人或事物的时候。形容词最高级表示三者或三者以上（人或物）的比较, 其中有一个超过其他几个。 形容词最高级前要加the，后面通常带of (in)短语来说明比较的范围(of 后的名词或代词表示与主语属同一类；in 表示时间或空间范围)。,他在我们班上他最高。 He is _ ( tall) _ our class. 玛丽是这三个学生中最小的。 Mary is _ (young) _ the three stude

2、nts.,the tallest,in,the youngest,of,构成规律：,单音节词和部分双音节词,一般加 est ， 如： strongstrongest，fastfastest,以不发音的e结尾， 加-st nicenicest, large- largest,以辅音加y结尾, 改y为i, 加-est happy happiest,辅音字母结尾的重读闭音节词， 双写末尾的辅音字母，加-est thin thinnest,多音节词， 和部分双音节词， 在词的前面加most outgoing most outgoing,规则变化,常用的不规则形容词比较级和最高级变化形式,最高级规则变化口诀,最高级，很容易，一般词尾加est。 (cheap-the cheapest) 词尾若有哑音e, 直接就加st。 (close-the closest) 重读闭音节， 单辅音字母要双写。 (big-the biggest) 辅音字母若加y, 记得把y变为i。 (friendly-the friendliest) 多音节，考考你，the most到底加哪里？ (popular-the most

3、popular),形容词的原形、比较级和最高级,形容词的最高级常用“the + 最高级+ 比较范围”结构, 比较范围为短语或从句。 She is the tallest one in her class. 她是班里最高的一个。 The dog is the best present that I have ever received. 这只狗是我收到过的最好的礼物。,形容词最高级前通常必须用定冠词 the。例如： The Sahara is the biggest desert in the world. 撒哈拉沙漠是世界上最大的沙漠。 形容词most前面没有the，在句中不表示最高级的含义，只表示“非常”。例如： It is a most important problem. = It is a very important problem. 这是个很重要的问题。,副词的最高级的用法,1. 最高级用于三者或三者以上的比较，副词最高级前定冠词the 可以省略，后面可以带of (in) 短语来说明比较的范围。 句型为：“A+ 动词+ (the) + 副词最高级+of (in)”。例如：

4、She runs fastest of the three. 她是三人中跑得最快的。 She works (the) hardest in her class. 她是她们班上学习最用功的。,2. Which (who) +动词+(the) +副词最高级, A, B or C? 表示三个或三个以上的人或事物中“哪一个最”。例如： Which runs fastest, a car, a train or a plane? 汽车，火车和飞机，哪一样跑得最快？,下列词或短语可修饰最高级：by far, far, much, mostly, almost。例如： This hat is nearly / almost the biggest. 这帽子差不多是最大的了。 注意： a. very可修饰最高级，但位置与much不同 This is the very best. = This is much the best.,知识链接,b. 序数词通常只修饰最高级。例如： Africa is the second largest continent. 非洲是第二大洲。 最高级的意义有时可以用比较级表

5、示出来。例如： Mike is the most intelligent in his class. 马克是班上最聪明的。 = Mike is more intelligent than any other students in his class.,形容词/副词比较级的特殊用法 和 more 有关的词组 1） the morethe more越就越 The harder you work, the greater progress youll make. 越努力，进步越大。,2） more B than A = less A than B 与其说A不如说B He is more lazy than slow at his work. = He is less slow than lazy at his work. 他工作时, 与其说是反应慢不如说是懒。 3） no more than 与一样，不比多 The officials could see no more than the Emperor. 官员们看到的和皇帝一样多。,no less than与一样 He is no les

6、s diligent than you. 他和你一样勤勉。 4） more than 不只是，非常 She is more than kind to us all. 她对我们非常热心。,和 less 有关的词组 5) less than 不到 不太： In less than a week, the MS was ready. 不到一周稿子就准备好了。 6）no less than 多达 不少于 He won no less than $5oo. 他赢了不少于500美元。 No less than 2 million people came. 至少来了2百万人。,Fill in the blanks with the correct forms of the words in brackets.,1. We went to the _ (bad) restaurant in town last night. The menu had only 10 dishes and the service was not good at all! 2. Blue Moon is _ (good),

7、 but Millers is _ (good) in town. 3. The Big Screen is _ (expensive) than most cinemas, but Cinema City is _ (expensive).,worst,good,the best,more expensive,the most expensive,4. Movie City has the _ (had) service, but we can sit the _ (comfortably) there. 5. Johnny Depp acted the _ (good) in that movie. Hes much _ (good) than others at finding the _ (interesting) roles.,worst,most comfortably,better,best,most interesting,1. It has the_ clothing store in the town. A. goodest B. gooddest C. best

8、D. better 2. This clothing store is _ than that one. A. bad B. worse C. the worst D. worst 3. This book is _ of all. A. cheapest B. cheap C. cheaper D. the cheapest,Choose the best answer.,C,B,D,4. This is one of _ films of this year. A. more exciting B. exciting C. the most exciting D. most exciting. 5. This watch is _ than that one. A. much expensive B. expensiver C. more expensiver D. more expensive,C,D,Think of three stores that sell similar things in your town and fill in the chart. Then wr

9、ite six sentences using the information in the chart.,Fill in the chart. Then talk in your group and choose the best one.,Dannys is the best one because its the closest.,A model conversation,A: I think Jean west World has the best quality. B: I think Blue Moon House has the worst service.,A: I think Tian Long has the friendliest service. B: I think Meet All has the best quality things.,A: Nanfang Restaurant is the cheapest. Lets go there. B: No, its food is not very nice. I think we should go to Huguang Hotel. C: OK. And it has the best music. D: And its only ten minutes on foot.,PAIRWORK,Discuss these questions.,Which has the best service? Which has the best

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