小学五年级“比较级”课件.ppt

1、比较级、最高级的复习,五年级上册,一、词形变化,教学内容：,二、词形变化规律,三、比较级的使用,四、最高级的使用,五、运用练习,dopuzzles,drivebumpercars,形容词比较级和最高级的词形变化,原级,比较级,最高级,bigsmalltallshortlongnewoldthickthinfastgoodfunnypretty,biggersmallertallershorterlongernewerolderthickerthinnerfasterbetterfunnierprettier,biggestsmallesttallestshortestlongestnewest

2、oldestthickestthinnestfastestbestfunniestprettiest,写出下列形容词的比较级和最高级形式,形容词比较级和最高级的词形变化规律,1、在词尾直接加er,est,2、重读闭音节双写末尾辅音字母再加er,est,3、辅音加y结尾的，变y为i再加er,est,填填看,Myruleris_.Hisruleris_thanmyruler.(long)Jennyis_,butNancyis_thanJenny.(tall)Bettysings_thanJane.(good)Tomsbookis_,butPetersbookis_thanTomsbook.(new

3、)Thecarruns_.Thetrainruns_thanthecar.(fast),你做对了吗？,Myrulerislong.Hisrulerislongerthanmyruler.(long)Jennyistall,butNancyistallerthanJenny.(tall)BettysingsbetterthanJane.(good)Tomsbookisnew,butPetersbookisnewerthanTomsbook.(new)Thecarrunsfast.Thetrainrunsfasterthanthecar.(fast),总结：比较级是两者之间比较，than“比，比较

4、”前用形容词的比较级形式：规则变化在词尾加er.,最高级的使用,1、Thecaris_.Thetrainis_thanthecar.Buttheplaneisthe_.(fast)2、Thesheepis_.Thehorseis_thanthesheep.Buttheelephantisthe_.(big)3、HuXiaoministhe_inourclass.(tall)4、WangKeisthe_inourclass.(funny)5、WuHanisthe_placeinChina.(hot),1,Thecarisfast.Thetrainisfasterthanthecar.Butthe

5、planeisthefastest.(fast)2,Thesheepisbig.Thehorseisbiggerthanthesheep.Buttheelephantisthebiggest.(big)3,HuXiaoministhetallestinourclass.(tall)4,WangKeisthefunniestinourclass.(funny)5,WuHanisthehottestplaceinChina.(hot),总结：最高级是三者以上事物中的“最”在形容词前加the,规则变化在词尾加est.,Checkup:,bigsmarttalllongsmallfastfatstro

6、ngfunnyfriendlyworkhard,看图说话，看谁说得多：,Thecatisfatterthanthemonkey.Thegiraffeis_thantheelephant.Themonkeyis_thanthe_.Theelephantis_thanthe_.Theelephantsearsare_thanthe_sears.Thebeesworks_thanthe_.Theplaneis_thanthe_.Whichanimalisthestrongestinthepicture?Whichanimalisthe_inthepicture?Whichanimalisthe_in

7、thepicture?Whichanimalisthe_inthepicture?,阅读理解：,WorldRecordsTheworldstallesttowerTheCNToweris553mtall.ItisinToronto,Canada.2,000,000peoplevisittheTowereachyear.Theycaneatdinnerintherestaurantatthetop,Sixteentelevisionstationsusethetowertosendoutprograms.TheworldslongestwallTheGreatWallofChinaisovers

8、ixthousandkilometreslong.Itismorethatsevenmetreshigh,andfivemetreswide.PeopleallovertheworldvisittheGreatWalleachyear.AstronautscanseetheGreatWallfromspace.Wow,Thatsbig!TheworldsbiggestanimalThebluewhaleistheworldsbiggestanimal.Itisbiggerthan16elephants.Its30mlong.Itlivesintheocean.Iteats5tonnesoftinykrilleveryday!,根据短文回答问题,1、TheCNToweristhetallestintheworld.2、TheGreatWallisthelongestwallintheworld.3、Yes,theycan.4、Thebluewhaleisthebiggestanimalintheworld.5、No,itisnt.,1、Whichtoweristhetallestintheworld?2、Whatisthelongestwallintheworld?3、Canas