八年级英语下册Unit7语法比较级和最高级讲解

1、八年级英语下册Unit7语法比较级和最高级讲解八年级英语下册Unit7语法比较级和最高级讲解八年级英语下册Unit7语法比较级和最高级讲解The dog runs faster than the sheep.The sheep runs fast.2021/4/132LilyTomMikeLily is tall.Tom is taller than Lily.Mike is the tallest of all.2021/4/133英语中的形容词和副词都有三个等级：1.原级（原形）；2.比较级：表示_之间进行比较；3.最高级：表示_之间进行比较。 形容词和副词的比较等级2021/4/134形

2、容词和副词比较等级的规则变化一般情况，直接加-er,-est以e结尾的加-r, -st2021/4/135以重读闭音节结尾，如末尾只有一个辅音字母，则双写这个辅音字母，再加-er, -est以辅音字母加y结尾的,变y为i,再加-er,-est2021/4/136有些双音节词和多音节词，在词前加more, most2021/4/137形容词和副词比较等级的不规则变化betterbestworseworstmoremostlessleastfarther/furtherfarthest/furthestolder/elderoldest/eldest2021/4/138比较级和最高级填空：chea

3、percheapestbiggerbiggestcloserclosestfriendlierfriendliestmore popularthe most popularmore comfortablethe more comfortablebetterbestworseworstmoremostfartherfarthest2021/4/139形容词和副词比较等级的基本句型as+原级+as“和一样”2021/4/1310not+as/so+原级+as“不如”less+原级+than“不如”2021/4/1311.比较级 +than.比.（更）.（基本句型）2021/4/1312 Flat

4、A is more expensive than Flat B. (同义句) Flat B is _ _ than Flat A. Flat B is _ _ Flat A. Flat B is not _ _ _ Flat A.lessexpensivecheaperthanasexpensiveas2021/4/1313the + 比较级，the + 比较级“越越”比较级+ and + 比较级“越来越”2021/4/13143._you are, _mistakes you will make. (你越仔细，做错的题目就越少） 4. _you eat, _youll be.(你吃得越多,就

5、越胖)The more carefulthe fewerThe morethe fatter1.The girl becomes _. (越来越漂亮）more and more beautiful2. The weather is getting _. (越来越槽糕）worse and worse2021/4/1315倍数+as+原级+as是的几倍倍数+比较级+than.比.几倍.数次+ 名词 + 比较级+than“表示两者之间相差多少”2021/4/1316 翻译：1.我的外套比你的贵两倍。2.我哥哥比我大5岁。My coat is twice more expensive than you

6、rs. My coat is three times as expensive as yours. My brother is five years older than me. 2021/4/1317the + 比较级+ of the two.“两者中较为的一个”2021/4/1318Which/ Who.+比较级，A or B?“哪一个/谁更.，A还是B ？”2021/4/1319 1. Lily gets up _ (early) of the two girls. 2. Which goes _ (slowly), Tom or Jim? 3.Which book is _ (inte

7、resting) ,this one or that one ?the earliermore slowly more interesting2021/4/13201.比较级 + than + any other + 单数可数名词2.比较级 + than + the other + 复数可数名词“比其他任何一个都.”2021/4/1321Sam is the shortest in his class. (改为同义句)Sam is _ than _ _ student in his class.Sam is _ than _ _ students in his class.shorterany

8、 othershorterthe other2021/4/1322the + 形容词最高级+ 名词 + in /among /of 短语 （in+范围，among /of+对象）（基本句型）2021/4/1323 1. She works _ (careful) in her school. 2. Jim goes to bed _ (late) in his family. 3. I think turkey is _ (delicious) of all. the most carefully latestthe most delicious2021/4/1324Which/Who.+th

9、e +最高级，A , B or C?“哪一个/谁更.，A , B还是C ？”the + 序数词 +最高级 “（在.范围内）第几” 2021/4/1325one of the + 最高级 + 复数名词“最的之一”2021/4/1326 3. Lin Tao is _ in the class because he never gets to school on time. （最懒的学生之一）4. Edison was_ in the world. (最伟大的发明家之一）one of the laziest studentsone of the greatest inventorsThe Yang

10、tze River is_ river in the world. (第三长河）the third longest2. The Atlantic is _ ocean in the world. ( 第二大洋）the second biggest2021/4/1327形容词原级、比较级和最高级的修饰词（1）形容词原级前可以用very, quite, rather, too, so, pretty等修饰。如：The shirt is pretty good.（2）形容词比较级前可以用much/ far / a lot, even/ still,a little/ a bit 等修饰。如：He i

11、s much stronger than you.（3）形容词最高级前一般要加定冠词the，但当形容词最高级前有物主代词、名词所有格等修饰词时，则不用定冠词the。如：This is my busiest day.这是我最忙的一天。2021/4/1328late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most重读闭音节、末尾只有一个辅音字母双写加 er 或 est单音节词在词尾比较级加- er或最高级加- est以e结尾的词，只需加r 或st以辅音字母加 y 结尾双音节词变 y

12、 为 i 加 er 或 est部分双音节和多音节词在原级前加 more 或 mosttalltaller- tallestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad quickly, slowly, useful, careful, popular, modern, 形容词和副词比较级和最高级构成 (规则变化)2021/4/1329不规则变化 good / well better - best mu

13、ch / many more - most bad / badly / ill worse worst little less least far farther/ further farthest furthest old older/ elder oldest / eldest2021/4/13301. Paul is very _ . He is _ than his brother . A. heavy - heavierB. heavy - heavy C. heavier - heavier D. heavy-heavyer2. It has the _ clothing stor

14、e in the town. A. goodest B. gooddest C. best D. better3. This ruler is _ than that one. A. long B. longer C. the longest D. longest4. This book is _ of all. A. cheapest B. cheap D. cheaper D. the cheapest5. He is much _ than his brother. A. taller B. tall C. the tallest D. tallest6. Li Lei is _ old

15、er than Lucy. A. quite B. very C. much D. more一. 单选。2021/4/13317. This is one of _ films of this year. A. more exciting B. exciting C. the most exciting D. most exciting8. The weather in Beijing is colder than_. A. in Guangzhou B. Guangzhou C. that in Guangzhou D. that from Guangzhou9. Tom is _ of t

16、he two boys. A. taller B. tallest C. the taller D. the tallest10. Of my parents, my father looks_. A. old B. older C. the oldest D. the older11. This watch is _ than that one. A. much expensive B. expensiver C. more expensiver D. more expensive2021/4/1332 12. Lucy is very short, but she is _ than he

17、r sister. A. shorter B. longer C. taller D. older 13. Frank is _ friendly than his brother. A. a little more B. a few more C. much D. a little 14. Sam is _at Chinese than Jim. A. good B. well C. better D. gooder CAC2021/4/1333 15. This one is too large. Can you show me a _one? A. larger B. large C. small D. smaller 16. Do you think March is _than January? Yes, its _ warmer. A. better, a little B. well, much C. worse, very D. nicer, quite DA2021/4/1334二. 用括号中形容词的适当形式填空。 1. I am very _. But Tom is _ than I . Frank is _. （tired） 2. Which is _ （difficult）,