最新PEP英语六年级下册第三单元复习课件PPT课件.ppt

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1、PEP英语六年级下册第三单元复习课件动词原形过去式washcleanedcleanplayedplayvisitedvisitwashedwatchedwatch动词原形过去式learnrowedrowcookedcooklearnedclimbedclimb一般在动词末尾+ed不规则动词过去式goreadreadsangsingsawseewentdiddogetgotateeat动词过去式变化规则1、一般情况下直接在动词后面+ed如：watch-watchedplay-played2、词尾是e的单词直接+d如：dance-danced3、以元音+辅音字母结尾的词，双写末尾辅

2、音+ed如：stop-stopped4、以辅音字母+y结尾的词，变y为i+ed如：study-studied5、特殊动词的变化形式要特别记住如：do-dideat-ate等练习1.read2.swim3.go4.take5.sing6.eat7.buy8.dance9.do10.seereadswamwenttooksangateboughtdanceddidsaw短语goswimming---gotoapark----gofishing-----gohiking-----wentswimmingwenttoaparkwentfishingwenthiking给出下列词的过去式

3、rowaboattakepicturesbuypresentseatgoodfoodplayfootballsinganddancerowedaboattookpicturesboughtpresentsategoodfoodplayedfootballsanganddanced一般过去式一般过去时：用来描述过去某个时间发生的动作或存在的状态。过去时间：yesterday,lastweek,lastweekend,lastyear,lastSunday,ago等。如:Igotupatsixyesterday.1含有be动词的一般过去时⑴am和is在一般过去时中变为was。⑵ar

4、e在一般过去时中变为were。WuYifanwasbusylastweekend.2含有行为动词的一般过去式主语+动词过去式+其他如：IwatchedTVyesterday.一般过去时否定句1、句中带有was或were的句子，（wasnot=wasn’t）（werenot=weren’t）Shewasn’tbusylastweek.2、句中为行为动词的句子要用didn’t+动词原形不管主语是什么都用。Ididn’twatchTVyesterday.一般过去时一般疑问句1、句中带有was或were的句子把was或were提到句首。WasWuYifanbusylastweek?2、

5、句中为行为动词的在句首加did，句子中的动词过去式变回原形。如：DidJimgohomeyesterday?一般过去时特殊疑问句特殊疑问句：疑问词+did+主语+动词原形？如：WhatdidJimdoyesterday?练习Iwenttoparklastweekend.否定句：一般疑问句：特殊疑问句：Ididn’tgotoparklastweekend.Didyougotoparklastweekend?Whatdidyoudolastweekend?练习TomandMary(come)toChinalastmonth.There(be)noonehereamomentago.

6、Tom(begin)tolearnChineselastyear.She(notwatch)TVlastnight.camewasdidn’twatchbegan练习isaregodoreadplaywatchamcleanwritestoplivestudyhavewinhasfly习题1.Itwasexciting.否定句：一般疑问句：肯、否定回答：Itwasn’texciting.Wasitexciting?Yes,itwas./No,itwasn’t.习题1Nancywenttoschoolearly.否定句：一般疑问句：肯、否定回答：Nancydidn’tgotosc

7、hoolearly.DidNancygotoschoolearly?Yes,shedid./No,shedidn’t.解表剂概念：凡以解表药为主组成，具有发汗、解肌、透疹等作用,可以解除表证的方剂，称为解表剂。立法依据：“其在皮者，汗而发之”，“因其轻而扬之”,“善治者，治皮毛，其次治肌肤，其次治筋脉，其次治六腑，其次治五脏，治五脏者，半死半生也。”（《素问阴阳应象大论》）。适应范围：（1）表证—恶寒，发热，头痛，身痛，苔白或黄，脉浮。（2）麻疹、疮疡、水肿、疟疾、痢疾等初起有表证者。分类：