译林版英语八年级上册Unit1第四课时教学设计
课题
Friends
单元
Unit1
学科
英语
年级
八年级
学习
目标
知识与技能目标：
Grasp some new words.
过程与方法目标：
To use comparatives to compare three or more people / things.
To use superlatives to compare three or more people / things.
情感态度与价值观目标：
To learn the differences between comparative and superlative adjectives.
重点
Read and use the new words correctly.
Know how to use comparatives and superlatives.
Know the rules of forming comparatives and superlatives.
难点
Comparative and superlative adjectives
教学过程
教学环节
教师活动
学生活动
设计意图
导入新课
Let's take a look at these two pictures and ask the students to describe the two pictures.
The students basically described the red and the round. Then let's compare the difference between apple in the two pictures.
2. Let's look at a bunch of apples in this picture. Who can find the reddest apple?
同学们观察图片，描述图片上的两个苹果，并比较这两个苹果的差别。
观察图片找出最红的苹果。
从生活实际出发，激发同学们兴趣。提出形容词，使同学们有比较的概念。
引入最高级的概念。
讲授新课
1.The comparative level is the form of the word produced by comparing the two, which is transformed from the original level of the adjective.
2.When the highest level indicates that three or more people or things are compared, the highest level is used.
3.Show many pictures or things to present comparatives and superlatives.
4.Introducing comparative and superlative rules.
(1)We use comparatives + than to compare two people or things. We usually add –er to short adjectives and use more with long adjectives to form comparatives.
(2)We use the + superlatives to compare three or more people or things. We usually add –est to short adjectives and use most with long adjectives to form superlatives.
5.Group discussion
Ask the students to read the table on the eleventh page of the book and summarize several situations of comparative and advanced usage.
Ask the classmates to describe what they have summarized.
Small game: one after another
The students asked the three of them to form a group. One classmate said the adjective level, one classmate said that the adjectives were comparatively level, and the other classmates said that the adjectives were the most advanced.
7.A class profile
A Daniel is writing about is classmates. Help him complete the following table with the correct adjectives.
Fill in the form.
The group discussed the key grammar of this lesson and sent a representative to explain his point of view.
Summary
11.Practice
12.Write a composition using comparative and superlative.
学生阅读PPT上关于形容词比较级和最高级的定义
观看PPT中的图片。
同学们阅读PPT中比较级和最高级的规则
小组讨论并总结出比较级和最高级用法的几种情况，并派一位代表回答。
学生每三个人一组，一位同学说形容词原级，一位同学说形容词比较级，另一位同学说形容词最高级。
同学们填写12页表格A，并在老师带领下对答案。
同学们完成12页的填空题。
小组讨论本节课的重点语法内容并派一位代表讲解自己的观点。
总结本课时的语法知识点。
做练习
课后作业
使同学们对形容词比较级和最高级有一定的了解和认识。
使同学们更进一步加深对比较级和最高级的理解。
培养学生阅读信息和获取信心的能力，引出关键的语法知识点。
回顾本课语法内容以及听力中的重要信息。
小组讨论课锻炼同学们交际能力，通过自己以及伙伴的总结，更能锻炼独立思考及自学能力。
锻炼同学们口语能力，并加深对形容词比较级和最高级的熟悉程度。
进一步掌握形容词的比较级和最高级。
通过实例来运用比较级和最高级，加深同学们对比较级和最高级的实际运用。
通过小组讨论的形式对本节课重要的语法内容进行概括总结，不仅增强了学生交流能力，而且还锻炼了学生自我概括能力。
对学生们上课所学知识点进行巩固复习。
课堂小结
本节课以直观图片进行导入，引导学生提出比较级和最高级的概念，然后介绍比较级和最高级在英文中用法和应用，通过小游戏和课后习题进行巩固，最后小组讨论总结本节课知识点，加深学生对比较级和最高级的认知。
板书
Unit1 Friends
Form:
+er, +est
+r, +st
–y+ier, -y+iest
Double the consonant+er, Double the consonant+est
+more, +most
课件24张PPT。译林版 八年级Unit 1 Friends
第四课时 GrammarLead-inLet's take a look at these two pictures and describe the two pictures.redround新知讲解Lead-inLet's look at a bunch of apples in this picture. Who can find the reddest apple?The apple in the middle is the reddest.Preparationcomparative and superlativeThe comparative level is the form of the word produced by comparing the two, which is transformed from the original level of the adjective.When the highest level indicates that three or more people or things are compared, the highest level is used.Preparationcomparative and superlativeshorterfatterlongerPreparationcomparative and superlativecomparative and superlative rules(1)We use comparatives + than to compare two people or things. We usually add –er to short adjectives and use more with long adjectives to form comparatives.
e.g.She is shorter than I am.
(2)We use the + superlatives to compare three or more people or things. We usually add –est to short adjectives and use most with long adjectives to form superlatives.
e.g.He is the tallest boy in our class. Small gameThe students asked the three of them to form a group. One classmate said the adjective level, one classmate said that the adjectives were comparatively level, and the other classmates said that the adjectives were the most advanced.one after anotherA class profileDaniel is writing about is classmates. Help him complete the following table with the correct adjectives.shortershortestcutercutestbiggerbiggesthappierhappiestlazierlaziestthinnerthinnestsaddersaddestmore difficultthe most difficultmore interesting the most interestingbetterbestworseworstA class profileDaniel has made a profile of his classmates. Read the profile and complete his notes.Practice1 Simon is taller than (tall) Sandy.
2 Peter is (tall ) of the six students.www.21jy.com
3 Sandy is (heavy) Millie.
4 Peter is (heavy) of the six students.21教名
5 Among the six students, Millie is (slow) swimmer.the tallestheavier thanthe heaviestthe slowest6 Amy is (fast ) swimmer of the six students.
7 Millie’s drawing is (beautiful) Peter’s.
8 Sandy’s drawing is (beautiful) in her class.
9 Millie’s English is (good) Simon’s. Millie’s English is (good) in her class.more beautiful thanthe most beautifulbetter thanthe bestPracticethe fastestWork out the rule!We put than__________(before/after) comparatives.
We put the___________(before/after) superlatives. afterbeforeThe group discussed the key grammar of this lesson and sent a representative to explain his point of view.ordinaryspecialSummary ★规则形式：一般说来，单音节词及少数双音节词在后加-er/?-est?来构成比较级和最高级；其他双音节词及多音节词在前加more/?most.
★不规则形式：重点记忆单词的变化形式。Summary 1.在单音节形容词和部分以-er?,?-ow?,?-ble?,?-ple?结尾的双音节词后面直接+er；+est 例：warm?→?warmer?→?warmest?
simple?→?simpler?→?simplest??????? 2.形容词，副词以e结尾时→+r；+st 例：nice?→?nicer?→?nicest
3.形容词，副词以辅音+y结尾时→变y为i+er；+est 例：busy?→?busier?→?busiest?比较级，最高级的构成Summary 4．以一个辅音字母结尾的重读闭音节的形容词或副词→双写词尾字母再+er；+est
例：hot → hotter → hottest
5．多音节词（3个或3个以上音节）和部分双音节的词在前面加→ more～；most～
例：beautiful → more beautiful → most beautiful
useful → more useful → most useful比较级，最高级的构成Practice 一、单项选择
（）1.?Would?you?please?say?it?_____??I?still?can’t?follow?you. A.?more?slow?????B.?much?slow??????C.?more?slowly??????D.?much?slowly （）2.?He?is?______?enough?to?carry?the?heavy?box. A.?stronger????B.?much?stronger??????C.?strong?????????D.?the?strongest （）3.?My?mother?is?no?__________?young. A.?shorter????????????B.?longer????????????C.?little??????????????????D.?few （）4.?Beijing,?the?capital?of?China,?is?one?of?___?cities?in?the?world. A.?the?biggest??????B.?bigger????????????C.?much?bigger????????????D.?big
（）5.?The?air?in?Beijing?is?getting?much__now?than?a?few?years?ago. A.?clean??????????B.?cleaner????????????C.?cleanest??????????????D.?the?cleanestCCBABPractice 二、用所给单词的适当形式填空。 1.?John?is?_____________?(tall)?than?Sam.??????????????????????????? 2.?Lin?Lin?is?the?____________?(young)?in?our?class
3.?She?looks?______________?(thin)?than?me.
4.?Ann?felt?very?____________?(happy)?at?her?birthday?party. 5.?Which?is?____________?(far)?from?us,?the?sun?or?the?moon?talleryoungestthinnerhappyfartherHomeworkWrite a composition using comparative and superlative.谢谢21世纪教育网（www.21cnjy.com) 中小学教育资源网站 有大把高质量资料？一线教师？一线教研员？
欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！
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Unit1 Friends第四课时习题
一、用所给单词的适当形式填空。
1. Bob is _________ ( young ) than Fred but ___________ (tall) than Fred.
2. Yingtian is not as ___________ (tall) as Yongxian.
3. Almost all.the students' faces are the same but Li Deming looks _______ (fat) than
before the holidays,
4.Which is _________ (heavy),a hen or a chicken?
5.-- How _________ (tall) is Sally?
-- She' s 1.55 metres ________ (tall). What abodt Xiaoling?
-- She' s only 1.40 metres ________ (tall). She is much _______ (short) than Sally.
She is also the _______ (short) girl in the class.
6. He is ______ (bad) at learning maths. He is much _______ (bad) at Chinese and he is the _________ (bad) at English.
7. Annie says Sally is the ________ (kind) person in the world.
8.He is one of the_________(friendly) people in the class, I think.
二、单项选择。
1. She is ________ than ________ . ????A. busier / us B. busier / we C. more busy / us D. more busy / we ?2. Jane is ________ than Betty. ????A. less taller B. less tallest C. less tall D. not as tall ?3. China is ________ country in the world. ????A. the third largest B. the largest third C. the third large D. a third largest ?4. -Which is ____ season in Beijing?
-I think it's autumn.
A.good????????????B.better???????????C.best???????????????D.the best
5．- Which is__________ , the sun, the moon or the earth?
-- Of course, the moon is.
A.small??????????B.smaller???????????C.smallest???????????D.the smallest
三、?写出下列形容词的比较级和最高级。
1. old ______??________???2. busy _________??__________
3. thin ________??________4. many _________??__________
四、完成句子。
1 她看起来不如玛丽年轻。
She doesn't look __________ _________ __________ Mary.
2.杰克的父亲比母亲大一岁。
Jack's father is __________ _________ _________ than her mother.
3.我们的教室比他们的明亮得多。
Our classroom is ___________ ___________ than theirs.
4。当心！这条路越来越危险。
Look out! The mad is becoming ________ and _________ ________.
5.你喜欢哪种动物，猫还是狗？
Which animal do you like __________ , a cat or a dog?
五、改错。
1. He is as taller as I am.
2. She is a little thiner than she looks.
3. Bob is heavier than any other boys in the class.
4.The girls study the better than the boy.
5. It is one of the most interesting book than I have ever read.
答案
用所给单词的适当形式填空。
1. younger, taller 2. tall 3. fatter 4. heavier 5. tall, tall, tall, shorter, shortest 6. bad, worse, worst
7. kindest 8. friendlier
二、单项选择。
1-5 AAADD
四、完成句子。
1. so/ as young as 2. one year older 3. much brighter 4. more, more dangerous 5. better
五、改错。
1. taller - tall 2. thiner - thinner 3. boys - boy
4. the better -better 5. book - books
