人教版八上Uuit 3 I'm more outgoing than my sister.-Section A Grammar focus3a—3c-ppt课件-公开课-(配套教案编号：04230).ppt

1、Unit 3 Im more outgoing than my sister. 人教版八年级英语上册人教版八年级英语上册 shorter happier happy short 70cm 50cm Ha ha Ha ha ha ha 6 years old 4 years old young younger Compare 形容词、副词的比较级的构成：形容词、副词的比较级的构成： 规则变化规则变化: 单音节和少数双音节形容词、副词比较级的 构成。 1) 在词尾加-er tall taller smartsmarter short shorter fast faster 2) 以不发音的字母e

2、结尾的，加-r nice nicer large larger fine finer late later 3) 重读闭音节结尾且末尾只有一个辅音 字母的，先双写该辅音字母，再加-er。 big bigger fat fatter thin thinner hot hotter wet wetter 4) 以辅音字母+y结尾的词，先变y为i，再 加-er。 happyhappier early earlier funnyfunnier easy easier 5)多音节词和部分双音节词 beautiful more beautiful comfortably more comfortably

3、quickly more quickly 不规则变化：不规则变化： good / well better bad / badly worse many / much - more little - less far - farther / further 比较级有规律, 词尾加上-er两兄弟; 要是以e来结尾, 只有小二(r)跟上去; 重读闭音节词要牢记, 双写千万别忘记; 要是“辅音+y来结尾, 小艾(i)要把y来替, 再 加-er两兄弟; 多音节词加上m-o-r-e, 你看这样多容易。 tall hard quiet quickly funny outgoing big nice well

4、 taller harder quieter more quickly funnier more outgoing bigger nicer better 你能说出下列单词的比较级吗？你能说出下列单词的比较级吗？ A. 原级原级常用的句型结构 (一)表示“甲和乙程度相同”表示“甲和乙程度相同” 1.甲 + be + as + 形容词原级形容词原级 + as + 乙”。 ( be both ) eg：Mary is as friendly as Kate. 2.甲+实意动词 + as + 副词原级副词原级 + as + 乙” ( both do ) eg: Tom runs as fast as

5、 Mike. 表示“甲和乙程度相同”表示“甲和乙程度相同” (二) 表示“甲不如乙表示“甲不如乙” 1.甲+be + not + as / so+形容词原级形容词原级+as+乙” eg:My mother is not as / so outgoing as my father. 表示“甲不如乙表示“甲不如乙” 2.甲+助动词+not+动词原形动词原形+as / so+副词原级副词原级 +as+乙” eg:He doesnt work as / so hard as you. B. 比较级比较级常用的句型结构常用的句型结构 (一) 表示“甲比乙更表示“甲比乙更” 1.甲 + be + 形容词比

6、较级形容词比较级+ than + 乙” eg：Tom is taller than Kate. 表示“甲比乙更表示“甲比乙更” 2.“甲+实意动词+副词比较级副词比较级+than+乙” eg：Anna sings better than Helen. (二) “特殊疑问词特殊疑问词+be+形容词比较级形容词比较级， 甲甲or乙乙?”。 eg:Which is bigger, the earth or the moon? (三三) “特殊疑问词特殊疑问词+实意动词实意动词+副词比较级副词比较级， 甲甲or乙乙?” eg：Who walks more quickly, Jenny or Alice

7、? (四四) 表示“越表示“越，越，越” “the+比较级，比较级，the+比较级比较级” eg：The more careful you are, the fewer mistakes youll make. （五）表示“越来越（五）表示“越来越. 比较级比较级+and+比较级比较级 eg：Our country is becoming more and more beautiful. 常见的修饰比较级的词：常见的修饰比较级的词： much，a lot，far，（，（的多）的多） a little，a bit (一点儿一点儿) even (甚至甚至) still (仍然仍然) eg:Tom

8、looks even younger than before. This train runs much faster than that one. 完成句子完成句子 1. 这个盒子比那个重。这个盒子比那个重。 This box is _ _ that one. 2. 你下次一定要做得更好。你下次一定要做得更好。 You must _ _ next time. 3. 他学习比他的哥哥努力得多。他学习比他的哥哥努力得多。 He studies _ _ _ his brother. 4. 她和她的妈妈一样聪明。她和她的妈妈一样聪明。 She is _ _ _ her mother. heavier

9、 than do better much harder than as smart as 选择填空 1.Who swims _, Tony or Sam? A. well B. best C. better D. much 2. I have shorter hair than _. A. Marys B. Mary C.Marys D. Marys hair 3. My hair is longer than _. A. my sister B. Kate C. my brothers D. Lucys C B C 1. Paul doesnt play basketball as _ (g

10、ood) as Tom. 2. Which is _ _ (beautiful), Beijing or Shanghai? 3. Look ! Jack is running _ and _(fast) . well more beautiful faster faster 【2013江西】 Ted was hard-working. His success made him work _. A. harder B. hardest C. more quickly D. most quickly A 中国英语教师网中国英语教师网 【2013河北】Im sorry Im late. I sho

11、uld get here 10 minutes_. A. early B. earlier C. the earlier D. the earliest B 中国英语教师网中国英语教师网 【2014上海】24. Air pollution has become _ than ever before. We must do something to stop it. A. serious B. more serious C. most serious D. the most serious B 中国英语教师网中国英语教师网 【2013十堰】 -Many boy students think ma

12、th is _ English. -I agree. Im weak in English. A. much difficult than B. so difficult as C. less difficult than D. more difficult than C 中国英语教师网中国英语教师网 My friend and I 1.外貌（looks): tall / short, fat / thin, beautiful, face , hair 2.性格（traits): outgoing / quiet, serious, funny, friendly, smart , hard

13、-working, shy , popular 3.喜好（likes): read, play sports, sing . 4. be similar to / be different from / bring out be good / better at / be talented in . 中国英语教师网中国英语教师网 Better later than never. Facts (事实) speaks louder than words. Enough is better than too much. Two heads are better than one. 亡羊补牢，犹未晚矣。 事实胜于雄辩。 知足常乐。 三个臭皮匠顶个诸葛亮。 英语谚语中的比较级 中国英语教师网中国英语教师网 中国英语教师网中国英语教师网