八年级四单元1话题导学案 Unit 4 Topic 1 形容词的比较等级(仁爱版英语八年级) |
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课型:新授课 设计:谭莉 审核 八年级英语教师 审批: 学习目标:1.掌握形容词比较级和最高级的构成 2.掌握形容词比较级和最高级的用法 学习重点:形容词比较级和最高级的构成及用法 学习疑点:形容词比较级和最高级的用法 学习方法:自主学习,合作探究 课前准备 英汉互译 1.强壮的___________ 2.伟大的___________ 3.高的_______ 4.短的___________ 5.慢的___________ 6.迟的___________ 7.勇敢的___________ 8.fine___________ 9.nice___________ 10.big___________ 11.fat___________ 12.thin___________ 13.red___________ 14.早的___________ 15. 容易的___________ 16.幸福的___________. 17. lucky___________ 18.funny___________ 19.beautiful__________ 20.wonderful___________ 21.interesting__________ 22 流行的___________ 22.美味的___________ 23.重要的___________ 24.serious_______ 25著名的__________ 26.good___________ 26.bad___________ 27.many/much___________ 28.little___________ 29Well/good___________30.badly___________ 31.far___________ 教学步骤: 一.学生看教材P.119 ,并完成下列小结 (一)形容词比较等级的含义 :形容词有¬¬________,_________,_________,三个比较等级。 1. 原级(原形)如:他的头发很长。His hair is very ___________. 2. 比较级:表示“较…” 或“更…些”。 如:我的头发比他的长。My hair is ________ ________his. 健康比财富更重要。Health is __________ _________than wealth. 3. 最高级:表示“最…” 如: 快乐是最好的药。Happiness is the ____________ medicine. ( 二).形容词比较级、最高级的构成规则 单音节词和部分双音节词的构成方法: 1.一般在词尾加_________或_______, 如:small---smaller---smallest, long---_________--__________ 2.以字母_____结尾的词加____或______, 如:large—larger---largest, nice---__________ -____________ 如;big----_______--__________; fat-________-__________ 4. 以辅音字母 + y结尾的,先变y为___,再加___或______. 如:heavy—--___________-__________ 多音节词和部分双音节词的构成方法: 在原级前加______________ 或 __________________, 如popular,-more popular-most popular Interesting-______________ -__________________ 特殊的:good/well---- better best bad/ill --- worse worst Manny/much--- more most little ---- less least far---- farther/further 或 further/furthest old – older/elder---oldest/eldest (三). 形容词比较级、最高级的用法 1.学生小结 2.教师点拨 比较级:A +比较级 + than + B (A.B不能相互包括;A比B在某方面程度更高) 如:猫比其他动物更可爱。 Cats are more lovely than other animals. 最高级:A +the +最高级 +in/of(A在某方面程度最高 ,) 注:A应在那个范围内程度最高 误:Tom is the tallest of all his classmates. ※同级比较: A=B A + as + 原级 + as + B 表示A.B在某方面程度一样。 如:圣诞树几乎和房间一样高 The Christmas tree is as tall as the room. A不如 B A not as/so+原级+as + B 表示A在某方面不及B,此类句型可以改为比较级形式。 如:他没有我高。He is not as (so) tall as I/me. =He is shorter than I/me. 这个男孩不如那个男孩细心。 This boy is not as careful as that boy. =This boy is less careful than that one. =That boy is__________________________. 二.比较结构中应注意的七个方面见教材P.120 1.比较级与最高级可以转化 如:在中国,长江比其他任何河流都长。 The Yangtze River is _______than any other river in China. = The Yangtze River is _____ ________ river in China. 2.当某一事物与其他事物作比较时,被比较事物中不能包括本身。 Eg1.他比班上其他学生高。 He is _______ than any ________student in his class. Eg2.上海比湖北任何一个城市都大。 Shanghai is __________ than ________ ________ city in Hubei. 3.如果比较对象相同,可用 that/those 代替第二个对象。 Eg1:重庆的天气比上海的天气要好。 The weather in Chongqing is better than that in Shanghai. Eg2:第二册的课文比第三册的容易得多。 The texts in Book2 is much easier than ________in Book3. 4.两个比较级用and 连接,表示“越来越…” (e.g) bigger and bigger 越来越大 more and more beautiful 越来越美 5.the + 比较级,the + 比较级,表示“越….越…..” 越多越好。The more ,the better. 你练得越多,做起来就变得越容易。The more you practice , the easier it becomes. 6.表示“两者较…..”时,用 “the + 形容词比较级 + of 短语”来表达 7、形容词的比较级可以用much , a little , a lot ,even ,three years, third, twice等修饰,使原来的比较级在语意上更加明确, vv如: 鸡要比奶牛小得多。Chickens are much smaller than cows. 我比你大点。I am a little older than you. 8..one of + 最高级+单数名词 表示“最…之一” One of the most famous rock bands 9..序数词+最高级+单数名词 表示“第几…” 如:我是班上第三高的男生。I’m the third tallest boy in our class. 10..最高级前面要加 the ,但最高级前有指示代词,物主代词或名词所有格修饰时,其前不能再加the (e.g) 这是我最好的一本书。This is my best book. 巩固提高 一.写出下列形容词的比较级和最高级 1.high____________ __________ 2.strong____________ _____________ 3.large____________ __________ 4.nice____________ __________ 5.red____________ __________ 6.thin____________ __________ 7.heavy____________ __________ 8.early____________ __________ 9.wonderful____________ __________ 10.iovely____________ __________ 11.well ____________ __________ 12.much____________ __________ 二.单选 1.I think plants are _______the pets. A. beautifuler B. more beautifuler C .beautiful D. more beautiful 2.Birds are _______than insects. A. big B. bigger C .biger D. more big 3.I don’t think this question is___ than that one. It is ____of these questions. A. easier , more difficult B. easier ,the most difficult C . easiest, more difficult D. easier , much more difficult 4.The box is very_______. A. heavy B. heavier C .heaviest D. more heavy 5.Our garden isn’t so____ as theirs. A. larger B. largest C .large D. more larger 三.用所给词的适当形式填空 1.Li Lei is the _____________(good) student in our class. 2.Lucy is______________ ( fat) than Kate. 3.Ithink my car is as ________________(nice) as yours. 4.This box is _________________(heavy) of the three. 5.I feel much ________________ ( ill) today. 6. I think maths is the ________________(difficult) subject of all. 7.Who works ________________(careful ),Jack or John? 8.There is _______________(little ) water in this bottle than in that one. 9.Who has the______________(many) apples, Li Lei, Jack or John. 10.Tom grows ______________and ______________(tall) these years. 课后反思 |
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