仁愛英語八年級第一學(xué)期unit4topic1教案

Unit4 Topic1形容詞的比較級和最高級1、 比較等級的定義：大多數(shù)的形容詞都有三個級別：原級、比較級、最高級。其中比較級表示“更”，用于兩者之間的比較，用來說明“前者比后者更”，比較級前面一般用much, even, a little修飾，其中even, much 只能修飾比較級。最高級用于三者或以上的比較，用來說明“最.”二、比較級和最高級的構(gòu)成：規(guī)則變化：1.絕大部分雙音節(jié)形容詞和單音節(jié)形容詞的比較級和最高級變化，請看下表：情況變化形式舉例般情況在詞尾直接加-er或-estsmallsmallersmallest以e結(jié)尾加-r或-stlargelarger largest以輔音字母 y結(jié)尾變y為i，再加 -er 或-esthappyhappier happiest以一個元音 字母加一個 輔音字母結(jié) 尾，且是重 讀閉音節(jié)（大紅胖熱濕瘦）將該輔音字母雙寫再加-er或-estfatfatterfattest thinthinner thinnest2.少數(shù)雙音節(jié)詞和多音節(jié)詞，用more/most+形容詞原級來表示較.和最.;用less/least+形容詞原級表示較不.和最不.beautiful more beautiful most beautifulserious more serious most seriouspopular_ _interesting_ _不規(guī)則變化：原形比較級最高級good, wellbetterbetterbad/ illworseworstlittlelessleastmany, muchmoremostoldolder/ elderoldest/ eldest寫出下列形容詞的比較級和最高級：short _ _ small _ _large _ _ late _ _happy _ _ easy _ _hot _ _ hard _ _cute _ _ dirty _ _big_ _ thin_ _badly_ _ far_ _beautiful_ _三、比較級的用法:(一) 表達“A大于B”用“比較級+than”的結(jié)構(gòu)。公式: A+be動詞+形容詞比較級+than+B A+實義動詞+副詞比較級+than+BEg I am taller than you.我比你高。He runs faster than I. 他跑得比我快。(二)關(guān)于形容詞、副詞比較級的更多用法1比較級前面可以加上修飾詞，常見詞有much/ a lot（.得多）, a little（一點點）, even（甚至）等。Eg He is much taller than I.他比我要高得多。 I jump a little higher than he.我跳得比他高一點點。You are standing too near to the TV. Can you move a bit _?OK, Mom. Is it all right here?A.fasterB.slowerC.fartherD.nearer2“比較級+and+比較級”表示“越來越”。 It is getting warmer and warmer天氣越來越暖和。He is running faster and faster他跑得越來越快。0ur country is becoming more and more beautiful我們祖國越來越美了。3“The more， the more”表示“越，就越”，The more，the better.多多益善。The more careful you are,the fewer mistakes you will make.你越細(xì)心，犯錯就越少。4“the +比較級（-er或more）of the two”表示“兩個當(dāng)中較.的一個” The taller of the two boys is my brother.5.自身不進行比較，排除自己的方法是使用 any other。例：He is taller than any other boy in his class. (不能去掉other)他比他班里的其他任何男孩都高。四、形容詞（副詞）的最高級（三個或三個以上的人或事物進行比較時）1表達“是中最的”,用“the+形容詞（副詞）的最高級”的結(jié)構(gòu)。后面可以加上表示范圍的介詞短語或從句。公式：主語+be動詞+the +形容詞最高級+（名詞）+表示范圍的介詞（in, of, among）短語主語+實義動詞+（the） +副詞最高級+表示范圍的介詞（in, of, among）短語Eg He is the tallest (student) in our class. He jumps the highest of the three boys. This is the best book that I have ever read.注意：1.形容詞的最高級前面有定冠詞the , 而副詞的最高級前面定冠詞the可以省略。但在形容詞最高級前有物主代詞時，不能要定冠詞the.2表示“最的中一個”，用“one of +the +最高級+復(fù)數(shù)名詞”的結(jié)構(gòu)來表達。Eg He is one of the best students in our class.他是我們班最好的學(xué)生之一。This is one of the most beautiful flowers in the garden.這是花園里最漂亮的花之。3.疑問句+最高級， A, B or C? Which book is the most interesting，Lucys ,Lilys or Toms?五、運用形容詞、副詞比較級應(yīng)當(dāng)注意的問題： (一)、按語法規(guī)則，than后面的人稱代詞應(yīng)當(dāng)用主格，但口語當(dāng)中有時會用賓格代替主格。 Eg He is more careful than I (me).(二)、只有同類的事物才能比較 e.g Her bag is bigger than mine. 不能說 Her bag is bigger than I.The weather of Kunming is much better than that of Shenyang.不能說The weather of Kunming is much better than Shenyang.【語法專項練習(xí)題】1、That boy looks as as a boxer.A. strong B. stronger C. strongest D. more strong2、Then Summer Palace is than Zhong Shan park.A. biger B. more big C. the biggest D. bigger3、Which do you like , apples or oranges?A. good B. better C. best D. well4、his box is _that one.A. heavy than B. so heavy than C. heavier than D. heavier as5、This year our school is than it was last year.A. much beautiful B. the most beautiful C. beautifuler D. much more beautiful6、 you work, knowledge you will get.A. The harder, more B. The harder, the more C. Harder, the more D. Harder, more7、He has friends than I.A. much more B. many more C. very more D. too more8、Shanghai is larger than city in China. A. any B. any other C. the others D. any else9、Im not sure whether Mary can sing Ann.A. as well as B. as good as C. as better as D. so good as10、I have fewer apples than .A. he B. his C. hers D. mine11、Which is _clothing store in your town? A. the best B. the better C. the most good D. best12、Is Mr Du _ teacher in your school?A. the most busy B. the busier C. the most busiest D. the busiest13、He is _more beautiful than I.A. too B. enough C. much D. very14、The box is _heavy .I cant move it.A. much B. more C. enough D. too15、The book is the_one in the bookshop Athe most cheap Bthe expensive Cthe most expensive Dthe less expensiver16、I have _ apples and _milk than you.A. many, little B. more, less C. more, least D. many, less 17、You should study English hard, because its getting_ in our country .A. more and more important B. more important and more importantC. importanter and importanter D. important and important18、Her brother is _than she. A. 7 year older B. 7 year old C. 7 years old D. 7 years older19、The Famous People Talent Show was one of _that I have ever seen.A. the most fantastic show B. most fantastic shows C. the more fantastic shows D. the most fantastic shows用形容詞的正確形式填空。1. Which do you like _ (well), apples, pears or bananas?2. I think this story is _ (interesting) than that one.3. In the morning he is _ (early). His father is _ (early) than he.4. I feel math is _ (difficult) than Chinese.Unit 4 topic 1重點短語1. think about 思考2. in the countryside 在農(nóng)村 much+形容詞比較級: 得多3. enjoy the beauty of nature 享受自然之美4. must be fun 一定有趣5. chat with sb 和某人聊天6. run after 追趕7. play with sth. 玩某物8. keep/raise a pet dog 養(yǎng)寵物狗9. make sb happy 使某人開心 make sb adj make sb do sth10. sing to sb. 對某人唱歌11. as we know 眾所周知12. be important to sb. 對來說很重要13. share sth. with sb. 與某人分享某物14. provide sth for sb 為某人提供某物 =provide sb with sth15. 6%: six percent 百分之六16. thousands of 成千上萬17. help to do sth. 幫助做某事18. hold the water 保存水分 keep water cycling 保持水循環(huán) keep sb/sth doing keep sb/sth adj19. play an important part in. 在.中扮演著重要角色；在.中起到重要作用20. control the climate 調(diào)控氣候21. without 沒有22. die out 滅絕23. become smaller and smaller 變得越來越小24. feed on 以.為食25. in danger 在危險中26. kill sth for sth 為了某物殺害某物27. in the south of China 在中國的南部28. need to do sth 需要做某事（人作主語） need doing sth（物作主語） 重點句型（背誦）1. Which do you like better, plants or animals? I like animals better.2. Why do you think so? Because animals are our friends. They make us happy.3. We share the same world with them.4. People can enjoy the beauty of nature.5. I think the countryside is much quieter than the city.6. I think the sheep are the nicest of all.當(dāng)堂訓(xùn)練： 單項選擇( )1.Did you have breakfast this morning?No, I got up late and went to school _ breakfast.A.forB.inC.withoutD.after( )2.Your classroom is so dirty. Everyone should keep it _.A.dryB.openC.quietD.clean( )3.There were _ animals in the forest many y