Unit1Grammar(共56张)-完整精讲版课件

1、To learn how to form comparatives and superlativesTo learn to use comparatives and superlativesObjectives单词回顾学生早读时已预习过本单元单词，可利用几分钟时间带学生快速回顾温习。对单词的熟练度越高，阅读的速率也越高。petitiontestswimmeradj. (bad的比较级)更差，更糟，更坏adj. (bad的最高级)最差，最糟，最坏n. 高，高度n. 重量abbr. (=second)秒n. 竞赛，比赛；竞争n. 测试，考查n. 游泳者Words reviewLook at the

2、 following sentences.1. The biggest one in Fifth Street! (七年级下册U1)2. The bathroom is the best place to chat and watch TV. (七年级下册U1)3. The Sun is about 1,300,000 times larger than the Earth. (七年级下册U5)4. She looked down and saw her body became smaller and smaller. (七年级下册U6)5. My dog is the cleverest a

3、nimal of all. (七年级下册U8)6. I think the blue dress is prettier. (新概念1 L107)7. Nearly everybody enters for The Nicest Garden Competition each year, but Joe wins every time. (新概念2 L8)1. My best friend is Max.2. He is the tallest boy in our class almost 1.75 metres. 3. She is shorter than I am.Try to tra

4、nslate the following sentences from this unit and then tell why we use the words in red. Could you figure out how to form those words and when to use them?Guessing Gameto test your sense of observationto test your ability of short-term memory to test your ability to highlight the language points1. T

5、he _ one in Fifth Street! 2. The bathroom is the _ place to chat and watch TV. 3. The Sun is about 1,300,000 times _ than the Earth. 4. She looked down and saw her body became _ and _. 5. My dog is the _ animal of all.biggestbestlargersmallersmallercleverest6. I think the blue dress is _.7. Nearly e

6、verybody enters for The _ Garden Competition each year, but Joe wins every time.8. My _ friend is Max.9. He is the _ boy in our class almost 1.75 metres. 10. She is _ than I am.prettierNicestbesttallestshorter We can enjoy _ sky if there is less pollution. Thats true. We must do something to make th

7、e city greener. A. a bluer B. the bluer C. the blue D. the bluest Tom often says he has _ IQ in our class. Maybe he does. But he wont be a top student if he doesnt work harder. A. a high B. a higher C. the higher D. the highest以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据之前练习的考察情况进一步选择讲解该语法项的重难点。Comparati

8、ve and superlative adjectivessmallestsmallsmallerCompare them nicest nicenicerCompare them The white dog is very happy. The black and white dog is the happiest of the three.The yellow dog is still happier.Compare them The first pig is quite fat.The second pig is much fatter.The third pig is the fatt

9、est of all.Compare them PresentationThe air is bad.The air is worse.The air is the worst.bad worse worstComparative and superlative adjectives形容词有三种形式：原级，比较级和最高级，表示形容词说明的性质在程度上的不同。 形容词的比较级用于两个人或事物的比较，最高级用于三个或三个以上人或事物的比较。形容词的比较级和最高级是在形容词的原级形式的基础上变化的，可分为规则变化和不规则变化。 形容词的比较级和最高级构成规则变化不规则变化规则变化形容词原级比较级最高

10、级单音节形容词 tallsmall词尾 + er词尾 + esttallertallestsmallersmallest形容词原级比较级最高级以字母e结尾的形容词Nice ,late,safefine,cute,close以辅音字母 + y结尾的形容词pretty,happy,tidyeasy,early,noisy,healthy,angry-把y改成i + er+ stnicernicestfinerfinest把y改成i + estprettier+ reasierprettiesteasiest形容词原级比较级最高级重读闭音节,结尾只有一个辅音字母slim,fat,thinbig,ho

11、t,wet,red,sad,mad多音节和部分双音节形容词beautifulimportant双写最后一个辅音字母 + estslimmerslimmestbiggerbiggest双写最后一个辅音字母 + er前面 + more前面 + mostmore beautifulmore importantmost beautifulmost important特殊形容词原级比较级最高级good/wellbad/ill/badlylittlemuch/manyoldfar better bestworse worst不规则变化lessleastmoremostolder/elderoldest/e

12、ldestfarther/ further+名词farthest/ furthest原级goodwellbadillmanymuchlittlefarold比较级最高级better bestworseworstlessmoremostfarther/furtherolder/elderleast farthest/furthestoldest/eldest不规则变化巧记：特殊形式比较级共有三对二合一坏病两多并两好little意思不是小一分为二有两个一是老来二是远oldolder-oldest 指年龄上的大old eldereldest 指兄长/姐姐My_brother is two years

13、_than I am.farfarther-farthest 指距离上的远far furtherfurthest 指距离或更进一步的-Jim jumped_than I did.Who is_boy in our class?For_study,he went abroad.elderolderfarther/furtherthe farthest/furthestfurtherfurther+名词P12 两种改写都可以的clever,handsome,polite,simple,stupidshy.often,lonely-AdjectiveComparativeSuperlativefun

14、nybadhealthycarefullargesmartslimfunnierfunniestworsehealthierworsthealthiestmore carefulmost carefullargerlargestsmartersmartestslimmerslimmestComplete the table below.AdjectiveComparativeSuperlativecleanshortcutehappylazybigcleanercleanestshortercutershortestcutesthappierhappiestlazierlaziestbigge

15、rbiggestComplete the table below.AdjectiveComparativeSuperlativethinsaddifficultinterestinggoodbadthinnerthinnestsaddermore difficult saddestmost difficultmore interestingmost interestingbetterbestworseworst1. 两者之间用比较级。 句型结构： A + be + 比较级 + than + B2. 三者及以上用最高级。 句型结构： A + be the + 最高级 + of/in介词短语 形容

16、词比较级和最高级的基本使用原则Lead-inHe is taller than I am.他比我高。Yao Ming is the tallest of the three.姚明是三位中最高的。My book is more interesting than his. 我的书比他的更有趣。This book is the most interesting of all. 这本书是所有当中最有趣的。Linda is taller than Nancy is.LindaNancyNancy is shorter than Linda is.Please use comparatives/super

17、latives to compare the following people or things. ￥ 50.00￥ 100.00The white bag is _ the green one.The green bag is _ the white one.cheaper thanmore expensive thanLindaNancyKateLinda is the tallest girl of the three.Kate is the shortest girl of the three.￥ 50.00￥ 100.00￥ 150.00The purple bag is _ on

18、e of all the bags.The green bag is _ one of all the bags.the cheapestthe most expensiveMillieSandyAmyPeterKittySimonHeight (cm)157170160173155171Weight (kg)45504455405350 m swimm-ing (sec.)403830343635Drawing competi-tion9/1010/109/105/106/108/10English test10/108/109/106/108/107/10Read the profile

19、and complete the sentences.1. 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.taller thanthe tallestheavier thanthe heaviestthe slowest6. Amy is _ (fast) swim

20、mer of the six students.7. Millies drawing is _ (beautiful) Peters.8. Sandys drawing is _ (beautiful) in her class.9. Millies English is _ (good) Simons. Millies English is _ (good) in her class.the fastestmore beautiful thanthe most beautifulbetter thanthe bestTime for reflection形容词的比较级用于两个人或事物的比较，

21、最高级用于三个或三个以上人或事物的比较。主语 + 谓语(系动词) + 形容词比较级 + than + 对比成分。主语 + 谓语(系动词) + the + 形容词最高级 + 名词 + 表示范围的短语或从句。1. Do you think maths is _ than English? 2011天津 A. difficult B. as difficult C. more difficult D. most difficult2. What do you think of the dress? Wonderful. I dont think I can find a _ one. 2011河南

22、A. good B. better C. bad D. worstI. Multiple choice.3. Would you mind staying in such a noisy room? No, but my son needs a _ place to study in. 2011宁波 A. cleaner B. quieter C. safer D. smaller4. We have a lovely room. Its one of _ in the hotel. 2011北京 A. nice B. nicer C. nicest D. the nicest5. Mr Sm

23、ith thought the Century Park was the second _ in Shanghai. 2011上海 A. large B. larger C. largest D. very large6. Which city has _ population, Beijing, Guiyang or Xingyi? Xingyi, of course. 2012黔西南 A. the largest B. the smallest C. the most D. the least 7. Shu-How Lin is now one of _ basketball player

24、s in the NBA. 2012福建福州 A. popular B. more popular C. the most popular8. I work hard this term, but Peter works much _. 2012北京 A. hard B. harder C. hardest D. the hardest 9. _ exercise you take, _ youll be. 2012甘肃鸡西 A. The fewer, the fatter B. The less, the fatter C. The less, the more fatter10. Pete

25、r is _ than you, right? Yes, but he is _ runner in our class. 2012广西玉林 A. heavier; best B. heavy; the best C. heavier; the best D. heavy; better 1. Who is _ (pretty), Millie or Amy?2. Which sport is _ (dangerous), swimming, climbing or skating?3. I think math is _ (difficult) than Chinese.4. Peter is _ (careful) student in my class.5. Spring is _ (good) season in a year.II. Fill in the blanks with the right forms of the words in the brackets.prettierthe most dangerousmore difficultthe most