现在完成时课件VIP免费

现在完成时(1)表示过去发生的动作对现在造成的影响或结果，常与already,just,ever,yet,never,before等副词连用•主语+have/has+done(动词过去分词)+其他•主语+haven’t/hasn’t+done(动词过去分词)+其他•Have/Has+主语+done(动词过去分词)+其他•肯定回答:Yes,主语+have/has.•否定回答:No,主语+haven’t/hasn’t.•构成:助动词have/has+done(动词过去分词)+其他just,already,never,ever,yet.before1.Ihave______beentowaterparkonce.2.Hehasn’tbeentoamusementpark_____.3.MymotherhasbeentoBeijing______.4.Hehas_____beentoHangzhou.Soheknowsnothingaboutit.5.Haveyou_____beentoJapan?现在完成时(1)谈论是否到过某处havebeento到过某处肯定形式：主+have（has）beento+地点.否定形式：主+haven’t（hasn’t）beento+地点.疑问形式：Have(Has)+主+beento+地点？have/has称为“助动词”，been为be的过去分词。havebeen构成完成时态。e.g.IhavebeentoShanghai.Ihaven’tbeentoShanghai.HaveyoueverbeentoShanghai?Yes,Ihave.No,Ihaven’t.Wherehaveyoubeen?1.IhavebeentoHangzhou.(否定句)I______beentoHangzhou.(一般疑问句)_____you__________Hangzhou?Yes,___________.No,_________.(提问)_____haveyou______?2.IhavealreadybeentoHangzhou.(否定句)I______beentoHangzhou____.Ihave_____beentoHangzhou.(一般疑问句)_____you_____beentoHangzhou?____you___beentoHangzhou____?Yes,___________.No,_________.(提问)_____haveyou______?2.Hehasalreadybeentothespacemuseum.(否定句)He_____beentothespacemuseum_____.=He_________beentothespacemuseum.(一般疑问句)_____he____beentothespacemuseum?_____hebeentothespacemuseum____?Yes,___________.No,____________.(提问)______hashealready______?havebeento,havegoneto,havebeenin1.WhereisJim?He_______Shanghai.2.Myfather______Shanghaiforaweek.3.Where____you_____?I______theUSA.4.Hismother______Tianjin.Shewillcomebacksoon.5.Howlong_____theGreens_____China?Fortwoweeks.1.IhavebeentoShanghai.___________she.2.Hewasathome.__________we.3.Wegotoschoolearly.__________he.4.Shefinishedherhomework._________I.5.WecanspeakEnglish._________theboy.6.Heisn’ttwelve.__________I.7.Iwasn’tlateforschoolyesterday.______he.8.Hedoesn’tgotoschool.________mybrother.9.Wedidn’tgotoJapan.________myuncle.10.Hehasneverbeentothezoo.________I.11.HehardlyknowsFrench.________we.12.Shehadnothingtosay.________heraunts.过去分词的构成•1,规则动词:(1)动词词尾直接加-ed,look-looked(2)动词词尾不发音的e为时,只需加-d,move-moved(3)动词词尾为辅音字母加y时,将y改i为,再加-ed,carry-carried(4)动词词尾是只有一个辅音字母的重读闭音节时,将最后的辅音字母双写后再加-ed,stop-stopped2,不规则动词不规则动词的变化因词而异。但如对不规则动词的过去式和过去分词做一分析，就可发现其中的“规则”。为方便同学们记忆，现将部分不规则动词的原形、过去式和过去分词列出并归纳为五种类型。以便准确记忆。1、ＡＡＡ型（原形、过去式和过去分词同形）：cost----cost---costcut---cut---cutlet---let---letput---put---puthurt–hurt--hurtread---read---read2、ＡＢＢ型（过去式与过去分词同形）：bring---brought---broughtcatch---caught---caughtbuy---bought---boughtteach---taught---taughtthink---thought—thought2、ＡＢＢ型（过去式与过去分词同形）：feel---felt---feltfind---found---foundget---got---gothave---had---hadhear---heard---heardhold---held---heldkeep---kept---keptlearn---learnt--learntleave---left---leftlend---lent---lentmake---made---mademeet---met---metpay---paid---paidsay---said---saidsell---sold---soldsend---sent---sentsit---sat---satsleep---slept---sleptspend---spent---spentstand---stood---stoodtell---told---toldunderstand---understo...