《英语》（八年级上册）
Unit 1 Friends
Grammar
I. Teaching aims and learning objectives
By the end of the lesson, students should be able to:
1. know when to use comparatives and superlatives;
2. use comparatives and superlatives correctly;
3. compare people or things.
II. Teaching contents
1. New words and phrases: height, slimmer, worse, worst
2. New structure: We use comparatives + than to compare two people or things.
We use the +superlatives to compare three or more people or things.
III. Focus of the lesson and predicted area of difficulty
Introduce the structure of comparative and superlative adjectives.
Change the adjectives into comparative and superlative adjectives.
IV. Teaching procedures
Step 1 Lead-in
1. Try to describe.
Describe two girls’ appearances.
2. Try to compare
Show a table about two girls’ appearance. Lead the students to compare them.
Alice is shorter than Lucy. Lucy is taller than Alice.
Alice’s eyes are bigger than Lucy’s. Lucy’s eyes are smaller than Alice’s.
Alice’s hair is longer than Lucy’s. Lucy’s hair is shorter than Alice’s.
【设计意图】先以一个简短的描述人物外貌开头。接着让学生对比俩人的外貌特征引出本堂课要学习的语法内容——形容词的比较级。既复习了前面所学知识，同时也巧妙地进入学习重点内容。
Step 2 Presentation of comparative adjectives
1. Try to work out the rule
Ask the students to read these sentences and try to find the rules about comparative. Introduce when we can use comparative and the basic structure of comparative adjectives.
2. Try to say
Show some pictures. Ask the students to compare them. At the same time, the teacher gives some adjectives to help the students. Lead the students to find what the short adjectives are.
3. Try to find
Ask the students to observe the comparative of the short adjectives. Let the students find the rules of the forms.
4. Try to change
Ask the students to change the adjectives into their comparative.
5. Try to think
Introduce the long adjectives and let them list some more long adjectives.
6. Try to conclude
Lead the students to conclude the rules according to the sentences of long comparative adjectives. And introduce the irregular adjectives and their forms.
【设计意图】采用归纳教学法，引导学生自己发现语法规则。同时适时让学生运用语法规则来练习，及时操练巩固。符合语法学习的规律，便于记忆与运用。
Step 3 Presentation of superlative adjective
1. Let’s enjoy
Enjoy the story about “Three little pigs”.
2. Try to compare
(1)Try to compare the houses of little pigs’. Introduce the superlative adjectives.
(2) Try to compare other things using the superlative adjectives.
3. Try to conclude
Lead the students to conclude the rules of superlative adjectives, including the form rules, the sentence structure.
4. Try to guess
Let the students guess the answers according to some sentences.
【设计意图】在学习完比较级后，以大家熟悉的三只小猪盖房子的故事引出最高级的学习。让学生自主发现规律，总结规律，并运用规律。
Step 4 Consolidation
1. Summary
Make a summary about the comparative adjectives with the students.
2. Try to change
Let the students change the words into their comparative and superlative.
3. Have a guess
Let the students read the sentences and guess the meaning.
4. Try to write
Let the students compare the class profile. Finish the exercises in the English book.
5. A group work
Ask the students to make groups of four. First finish their group profile, then make a report.
【设计意图】通过几个与比较级有关的趣味英语句子，让学生感受到语言的趣味性，同时也让学生知晓更多的比较级用法。将比较级和最高级的各种形式混在一起进行练习，从词到句到篇。逐步提升练习的难度。让老师和同学都能从练习中进行自我教学效果和学习效果的检测。
V. Homework
1. Read the words on P11 and remember the rules of comparative and superlative adjectives.
2. Write a short passage to introduce your family. (Please use some comparative and superlative adjectives.)
课件24张PPT。Unit 1 Friends GrammarAlice Alice is my good friend. She is 1.58 metres tall. She has ____ (big, small) eyes and _______ (long, short) hair. Try to describeTry to describe I’m Lucy. This is me. I am 1.60 metres tall. I have _______ (big, small) eyes and ______ (long, short) hair. LucyTry to describe Alice is shorter than Lucy.Lucy is taller than Alice. Alice’s eyes are bigger than Lucy’s.Lucy’s eyes are smaller than Alice’s. Alice’s hair is longer than Lucy’s. Lucy’s hair is shorter than Alice’s.Try to compare is shorter than .
is taller than .
is bigger than .
is smaller than .
is longer than .
is shorter than .Rules☆ thanAAAAB☆ two people or things ☆ adj.-erBBBBBAAWe use comparatives + than to compare two people or things.A adj.-er + than BTry to work
out the rulecomparativeTry to compare short long heavy slim light
happy big small nice cheap These can help you
short-shorter long-longer light-lighter
small-smaller cheap-cheaper
nice-nicer
happy-happier heavy-heavier
big-bigger slim-slimmerTry to sayshort adjectivesA adj.-er + than B adjectives with one or two syllables
comparative
short-shorter long-longer light-lighter
small-smaller cheap-cheaper
nice-nicer
happy-happier heavy-heavier
big-bigger slim-slimmerTry to findCan you find the rules?short adjectives ending with e + -rshort adjectives ending with a
consonant+y + -iermost short adjectives + -ershort adjectivesshort adjectives ending with a vowel + a consonant
double the consonant + -ercomparativeTry to changeshort adjectivesbiggersweeterhappiercuterfinersadderslowerlazierkinderslimmercomparativeTry to thinkshort adjectiveslong adjectives adjectives with one or two syllables
adjectives with three or more syllables
eg. interesting, expensive, beautiful …
Can you list other long adjectives?
comparativeTry to concludelong adjectivesMy book is more interesting than his.
The red bag is more expensive than the yellow one.
Jim’s drawing is more beautiful than John’s.more + long adjectivescomparativeIrregular adjectives good —
bad —
many —
…
better
worse
more
…
replace the wordLet’s enjoyThree Little Pigshouse of brickshouse of woodhouse of hayThe first little pigThe second little pigThe third little pigTry to compare The house of wood is ________ than the house of hay. The house of bricks is ________ than the house of wood. The house of wood is _____________ than the house of hay. The house of bricks is ________________ of the three houses. stronger stronger The house of bricks is ___________ of the three houses. the strongest more beautiful the most beautiful The house of bricks is _____________ than the house of wood. more beautifulTry to compare The house of wood is better than the house of hay. The house of hay is good. The house of bricks is __________ of all. the best Can you compare these things? 50kg100kg200kgRules☆ the + superlatives☆ three or more people or things ☆ adj.-est/ most + adj./ replace the adj.We use the + superlatives to compare three or more people or things.Try to concludesuperlative The house of bricks is the strongest of the three houses. The house of bricks is the best of all.This is the most expensive computer in the shop._______________ is the longest wall in the world.___________ is the heaviest animal on land.Yao Ming is ___________ basketball player in China.Heilongjiang is ____________ province
in China in winter.The Great WallThe elephantTry to guesssuperlativethe tallestthe coldestSummarycomparativeWe use comparatives + than to compare two people or things.A comparatives + than BWe use the + superlatives to compare three or more people or things.A is the superlatives + in … 11/12/2018long adjectivesIrregular adjectivesshort adjectivesreplace the wordmore/most + long adjectivesmost adjectives + -er/-estending with -e + -r/-stending with a consonant + -y -ier/-iestending with a vowel + a consonant
double the consonant + -er/-estTry to guesscomparative Read the sentences and guess their meanings. Doing is better than saying.Two heads are better than one.A friend is easier lost than found. 行甚于言。两人智慧胜一人。 朋友易失不易得。Try to change
We can add -er, -est or more, most to the following adjectives with two syllables.
clever handsome polite simple stupid
Tipcleanershortercleanestthinnerthinnestshortestcuterhappierlaziercutesthappiestlaziestsaddersaddestmore ~most ~more ~most ~betterbestbiggerbiggestworstworseTry to guesscomparative Read the sentences and guess their meanings. Friends agree best at distance. He knows most who speaks least. Hope for the best, but prepare for the worst. 朋友之间也要保持距离。 大智若愚。 ??抱最好的愿望，做最坏的打算。
A class profile1. Simon is __________ (tall) Sandy.
2. Peter is ___________ (tall) of the six students.
3. Sandy is ___________ (heavy) Millie.
4. Peter is ____________ (heavy) of the six students.
5. Among the six students, Millie is _________ (slow) swimmer.
6. Amy is _____________ (fast) swimmer of the six students.taller thanheavier thanthe tallestthe heaviestthe slowestthe fastestSimonPeterSandyMillieAmyA class profile7. 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 beautiful better thanthe bestSimonPeterSandyMillieAmyGroup work1. Four students are in a group. Fill in the table.
2. Make a report about your group.Hello, my dear classmates. This is our group.
A：I’m xxx. I am … than xxx.
B: I’m xxx. I’m the … in our group.
C: xxx is my friend. He …
D: …superlativecomparativeHomeworkRead the words on P11 and remember the rules of
comparative and superlative adjectives.
2. Write a short passage to introduce your family.
(Please use some comparative and superlative
adjectives.)comparativesuperlative
