牛津英語8A Unit1教案4

1、編輯ppt1Unit 1 FriendsGrammar A & B 袁彩霞袁彩霞編輯ppt2Step1.Part A 1. Lead-in : We have learned many adjectives,but do you know how to use to describepeople and things? Think about it, andyou can look at Page12 to consult it. Illsee who is clever.編輯ppt32. Presentation We use adjectives to describe peopl

2、e and things, which puts before a noun or after a link verb and look at the examples on the book. Analysis, “She has short hair”, “hair” is the noun. “short” is the adjective, according to the rule, put the adjective before the noun, so we put short before hair. Ask a student to analysis the second

3、sentence. Look at the sentence “Her hair is short”, before the adjectives is a linking verb. We can use adjective after these linking verbs. Such as : be , become, feel, get, grow Call you to analysis the sentence “The cat is lazy.”編輯ppt43. Consolidation: Do part A on Page12. Remember that put an ad

4、jective before a noun or after a link verb, then find the subject and predicate to make sentence. Read them and translate them.編輯ppt5Step2.Part B Comparatives1.Lead-in : We learned to use the adjectives to describe things. But if we compare two things, how do we say? And you want tocompare with your

5、 friends, how do you say? 編輯ppt6ABA has long hair.B has long hair, too.A has longer hair than B .編輯ppt7Work out the rule （1）when we compare two things , we use comparatives, and we put “than” after the comparatives, we usually add “er” to short adjectives and use “more” for long adjectives.e.g. She

6、is shorter than I am. My book is more interesting than his book.編輯ppt8（2）There are also some other rules. If the word:a. Ends with “e”, we add “r” directly.b. Ends in a consonant +“y”, we exchange “y” to “i” , add “e r”.c. End in a vowel + a consonant, double the consonant, add “e r”.d. Special adje

7、ctive, good-better, bad-worse.Please look at the table on Page 13 carefully.編輯ppt9Consolidation: Do the exercises on Page 13, B1. comparative, than ask you to answer,also speak out why you change this.編輯ppt10Step3.Part B Superlatives We use comparatives when we comparetwo things, but when we compare

8、 three or more people/things, how do we say?編輯ppt112.Presentation:The girls hair is longer than any othergirl in class.The girls hair is the longest in class.編輯ppt12Work out the rule when we compare more than three things, we can use superlatives, we usually add “est” to short adjectives and use “mo

9、st” for long adjectives, than we add “the” before the superlatives.e.g. He is the tallest boy in my class.This is the most expensive printer in the shop.編輯ppt13There are also some other rules. If the word:A. Ends with “e”, we add st” Ends in a consonant+ “y”, we exchange “y” to “i” , add “est” End i

10、n a vowel + a consonant, double the consonant, add “est”D. Special adjective, go-best, bad-worstPlease look at the table on Page 13 carefully.編輯ppt14Consolidation: Do the exercises on Page 13,B2. Superlative, then ask some students to answer, also speak out the reason why you change this.編輯ppt15Step4 Oral practice Ask you to compare their classmates, using comparatives and superlatives. 2.Practice in groups, let the students compare things/people around them , then Ill ask 1-2 groups