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1、三年级英语上册知识点总结Unit1Hello重点单词及短语:applebag重点句型:Hello!Hi!Goodmorning/Goodafternoon/GoodeveningGoodbye!招呼语E.g.Hello,SongXiangyang.Hi,teacher.单词拓展:bananaorangewatermelonpearpeachlemonstrawberrymangograpetomatopotatocucumberonioncarrotfruitvegetableUnit2Howareyou?重
2、点单词及短语:catdog重点句型:Howareyou?I’mfine./Fine,thankyou.单词拓展:pigrabbittigermouse/ratoxhorsegoatsheepchickhenroostergooseliondragonsnakemonkey猴子bearUnit3AreyouKitty?重点单词及短语:boygirlwolfsheepeggfanpicturecolourdraw重点句型:AreyouXXX?Yes,Iam.No,I’mnot.‘m=amE.g.AreyouSon
3、gXiangyang?Yes,Iam.No,Iamnot.Unit4Myfriends重点单词及短语:tallshortlongshortthinfathand重点句型及短语:ThisisXXX.He’s/She’smyfriend.He’s.../She’s...‘s=isE.g.ThisisYaoMing.He’smyfriend.He’stallandstrong.单词拓展:bigsmall语法点拓展:比较级和最高级形容词副词比较级最高级变化形式归纳 大多数形容词和副词有比较级和最高级的变化,即原级、
4、比较级和最高级,用来表示事物的等级差别。原级即形容词的原形,比较级和最高级有规则变化和不规则变化两种。规则变化 ◇单音节以及少数双音节的词后面直接加-er,-est原级比较级最高级talltallertallestsmartsmartersmartestshortshortershortest特别提醒:以-y,-er,-ow,le结尾的双音节形容词末尾加er和est。如:healthy,funny,busy,hungry,easy,happy,early,pretty,lazy,heavy,dirty,cle
5、ver,narrow等。◇以不发音的e结尾只加-r,-st原级比较级最高级nicenicernicestfinefinerfinestlargelargerlargest ◇“以辅音字母+y”结尾的词改y为i,再加-er,-est原级比较级最高级easyeasiereasiestprettyprettierprettiesthappyhappierhappiestfunnyfunnierfunniestbusybusierbusiest ◇以一个元音加一个辅音字母结尾的单音节词(即重读闭音节词),双写结尾的辅
6、音字母,再加-er,-est原级比较级最高级slimslimmerslimmestthinthinnerthinnesthothotterhottestbigbiggerbiggest 特别提醒:new,few,slow,clean等词含有字母组合,且发的是长元音,不用双写。◇大部分双音节词和多音节的词(即音标中含有三个或三个以上元音音素的词),要在前面加more,most原级比较级最高级beautifulmorebeautifulmostbeautifulimportantmoreimportantmost
7、importantinterestingmoreinterestingmostinterestingexpensivemoreexpensivemostexpensivepopularmorepopularmostpopular 特别提醒:以形容前缀un构成的三音节形容词不适合上述情况,如unhappy----unhappier----unhappiest,untidy----untidier----untidiest ◇以形容词+ly构成的副词要在前面加more,most原级比较级最高级slowlymore
8、slowlymostslowlyquicklymorequicklymostquicklyangrilymoreangrilymostangrilysoftlymoresoftlymostsoftlynoisilymorenoisilymostnoisily特别提醒:early----earlier----earliest ◇由ING分词和ED分词演变过来的形容词(包括不规则动词如know→know