1、形容词的比较级当我们需要对事物作出比较时,需要用到比较级。比较级的句子结构通常是:什么 + 动词be (am , is , are ) + 形容词比较级 + than(比)+ 什么 ,如:Im taller and heavier than you. (我比你更高和更重。)An elephant is bigger than a tiger. (一只大象比一只老虎更大。)形容词的比较级是在形容词的基础上变化而来的,它的变化规则是: 一般的直接在词尾加er ,如 tall - taller , strong - stronger , 以e结尾的,直接加r ,如 fine finer , 以辅音字
2、母加y结尾的,先改y为i再加er,如funny - funnier 双写最后的字母再加er,如big bigger, thin thinner ,hot hotter什么叫开音节? 开音节分两种,一种叫绝对开音节,相对开音节。绝对开音节:单个元音字母后面没有辅字组的重读音节。例如:no blue ba-by stu-dent se-cret.相对开音节:单个元音字母后面加单个辅音字母,再加一个不发音字母e构成的重读音节。例如:name these bike home ex-cuse. 什么叫闭音节? 单个元音字母后面有辅字组(r w y 除外)且以辅字组结尾的重读音节。例如:bag egg f
3、ish not cup 英语读音-开音节和闭音节1开音节1)以发音的元音字母结尾的单节。 例:be,he。2)以辅音字母(r 除外)+不发音的e结尾的音节。 例:make,like。* 在重读的开音节中元音字母按字母名称读音。2闭音节以一个或几个辅音字母(r 除外)结尾而中间只有一个元音字母的音节,称为闭音节。例:map,desk,is。* 在重读的闭音节中元音字母读做短元音。除此之外,还有几个特殊的单词,它的比较级和最高级都是不规则的,如:many / much(原形) more(比较级) most(最高级) little / few(原形) less (比较级) least(最高级) go
4、od(原形) better(比较级) best(最高级)bad (原形) worse(比较级) worst(最高级) far (原形) further furthest附加:形容词的最高级变化类似于比较级,只是把词尾的er改成est,如:tall (原形)- taller (比较级)- tallest (最高级)long(原形)- longer(比较级)- longest(最高级)big (原形)- bigger(比较级)- biggest(最高级)注意 比较的两者应该是互相对应的可比较的东西。典型错误:My hair is longer than you.(我的头发比你更长。)比较的两者是我
5、的头发、你(整个人),那么比较的对象就没有可比性。应该改为:My hair is longer than yours. 或My hair is longer than your hair.附:如果比较的两者是一样的时候,我们会用 asas这个词组,它的用法是:什么+be+as+形容词原形+as+什么,意思是什么和什么一样。如:Im as tall as you.(我和你一样高。)My feet are as big as yours.(我的脚和你的一样大。)专项练习一、从方框中选出合适的单词完成句子heavy tall long much many big (1) How is the Yel
6、low River?(2) How is Mr Green? Hes 175cm.(3) How are your feet? I wear size 18.(4) How is the white T-shirt? Its 100 yuan.(5) How apples are there in the bag? There are 5.(6) How is the fish? Its 2kg.二写出下列形容词或副词的比较级和最高级old_ young_ tall_ long_ short_ strong_big_ small_ fat_ thin_ heavy_ light_nice_ g
7、ood_ low_ high_ slow_ fast_ late_ early_ far_well_ long_ wide _ fat_ heavy_ few_ brightly_ badly _ far_quickly _ happy_ _ unhappy _三、根据句意填入单词的正确形式:1.Mybrotheristwoyears_(old)thanme.2.-Isyoursister_(young)thanyou? -Yes, sheis.3.-Whois_(thin),youorHelen? -Helenis. 4.- Whosepencil-boxis_(big),yoursorhe
8、rs? -Hersis.5.Myeyesare_(big)than_(she).6.Whichis_(heavy),theelephantorthepig?7.Whogetsup_(early),TimorTom? 8.Jimruns_(slow).ButBenruns_ (slow). 9. The cat is _(fast), the horse is _(fast) than the cat . 10. Chinese homework is _(easy). Maths homework is _(easy) than it . 四、选择正确的答案( )1.Which is _ se
9、ason in Beijing? JMD$/Q) I think its spring. |!GnH9 P A. good B. well C. best D. the best :KhEOpOK ( )2.The city is becoming _. ?Fq1R6 A. more beautiful and more B. more beautiful and beautiful I7)=#a2 C. more and more beautiful D. more beautiful and beautifuler Z$N,#S ( )3.Which does Alice like _ ,
10、 Chinese or Art? 9#yu| CGG!J3FNz9 A. well B. best C. better D. much d 4.c3 A. the longest river B. longest rivers THzE%W C. the longest rivers D. longer rivers n$.bVU ( )5.LiMing speaks Chinese _ better than me. zSVo(a( A. very B. more C. a lot of D. much .#Sy!/=Zw ( )6.There are_boys in ClassTwothan in Class Four. #Datj| J A. more B. many C. most D. best L- scB#m ( )7.Who has _ oranges now, Jim, Lily or Lucy? C1$5S)r A. much B. biggest C. better D. the most QU),R+zB ( )8.Mother is _ in my family. -QHOBmJ,E A. busy B. busier C. the busiest D. more B0IB$jGU 4