资源描述
Unit 1 Friends
Knowledge Aims：
Words: better, worse, worst, height, competition, test, be, become,
Phrases：in the drawing competition
Sentences：This is the most expensive computer in the shop.
My book is more interesting than his.
He is the tallest boy in our class.
Ability Aims：To use an adjective before a noun or after a linking verb to describe someone or something
To use comparatives to compare two people or things
To use superlatives to compare three or more people or things
Moral Aims: Let the students compare people or things happily.
Focal point and difficulty：
To use comparatives to compare two people or things
To use superlatives to compare three or more people or things
Teaching process：
Step 1 Lead-in
T: Yesterday I asked you to describe a person you like and bring his or her photo here. Now would you please show me your work?
Some Ss come to the blackboard and describe.
T shows one of the descriptions and underlines some adjectives in the description.
Step 2 Presentation
1. T: Look at these two girls. Can you find out the difference between the two sentences?
Emphasize that an adjective is used with a noun or a linking verb while an adverb is used with a verb.
2. Show Ss more pictures. Help them say sentences to compare the things with comparatives and superlatives.
Ss find out that comparatives are used to compare two people or things while superlatives are used to compare three or more people or things. Also find out some words and phrases which indicate the use of comparatives or superlatives.
Comparative: than, much, even, still, a little, of the two, Which/Who is …, A or B?
Superlative: the, of…, in …, Which/Who is …, A, B or C?
3. Ss look at the table and find out how to form comparatives and superlatives.
We add -er / -est to short adjectives.
(Short adjectives are adjectives of one or two syllables).
We use more/ most for long adjectives.
(Long adjectives are adjectives of three or more syllables.)
Step3 Practice
1. Ss do Part A, Page 12. Write the comparatives and superlatives of the adjectives.
2. Ss have a group competition. Each member of a group should read and spell the comparative and superlative of an adjective below. The group that can do it most quickly with all the answers correct will be the winner.
1) light old healthy cheerful
2) safe thirsty slim bad
3) bright new much bored
4) sad heavy straight clearly
3. Ss do Part B, P12. Complete the sentences according to the profile.
4. Ss make up a dialogue in pairs to compare people or things. They can choose any topic of the following: animals, sports, food and drinks, people in this classroom.
T provides some pictures, words, phrases and sentences which may be useful to Ss.
5. Ss do some multiple choice and translation work.
Step 7 Summarize
T: This class we learnt the use of adjectives, comparatives and superlatives. Now let's read an interesting English poem as the end of this lesson.
Good, better, best,
Never let it rest,
Till your good is better,
And your better is best!
Step 8 Homework
Revise the use of adjectives, comparatives and superlatives
Complete the exercises in the workbook
板书设计：
8A Unit 1Friends Grammar
比较级和最高级的构成
1） 大多数形容词后加-er/-est
clever---cleverer----cleverest
2） 以不发音字母e结尾的形容词加-r/-st
fine---finer----finest
3） 以辅音字母加y结尾，先把y改成i，然后再加-er/-est
healthy---healthier----healthiest(happy,sunny,easy,heavy,busy,early,lucky....)
4） 以重读闭音节结尾的形容词，先双写最后一个辅音字母，然后再加-er/-est
big--bigger---biggest(fat,sad,wet,red,thin,slim,hot....)
5） 部分双音节单词和多音节单词，在原级前加more/most
lovely--morelovely--most lovely
(slowly,tired,interesting,famous,beautiful,important.....)
6） 不规则变化
much/many--more/most bad/ill---worse---worst good/well---better---best
little---less---least far---farther---farthest( further---furthest)
教后感：Most of the students understand how to use the comparatives and superlatives of the adjectives.
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