现在完成时用 格格课件.ppt

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1、现在完成时.NumberTips：123Presentperfecttense.Lookanddescribe!HehasgonetoShanghai.他(已经)去上海了。HehasbeentoShanghai.他(曾经)去过上海。①概念①构成②标志①比较终止型与延续型动词②比较过去时与现在完成时③比较havebeento/in,havegoneto①②③Whatdowecallthistense？（一）概念1.表示过去发生或已完成的动作对现在造成的影响或结果；2.表示过去已经开始并一直持续到现在的动作或状态。pas

2、tnowfuture现在完成时一般过去式现在进行时一般将来时（二）构成现在完成时构成：have/has+done助动词过去分词主语+have/has+过去分词+宾语+状语HehaslearnedEnglishsince2001.（三）标志Canyourememberthem？(72221)1.Wehaven’tseeneachother______alongtime.2.HisfatherhasbeenintheParty_____10yearsago.3.Hisgrandparentshavebeendead___

3、___severalyears.4It’sfiveyears_______wemetlasttime.5.Hehas_____(borrow)thebookforaweek.6.Ihave_____(buy)thecoatsincetwodaysago.forsinceforsince下一页上一页kepthad（Rushtoanswer)1.Heborrowedthebookaweekago.2.Hehasborrowedthebook.3.Hehaskeptthebookforaweek.4.Hehaskeptth

4、ebooksinceaweekago.5.Hehasn’tborrowedbooksforaweek.Let'scompare!!!（1）注：①短暂性动词可用于现在完成时态，但不可以和段时间连用。②若谓语动词是终止性动词的否定式，可以和表一段时间的短语连用。DiscussCanyourememberthefollowinginONEminute?“开始离去借来还，出生入死买到家”beonbeawayfrombein/atkeepbein/atbebackbeinbedeadhavebein/atTheclassbeg

5、antenminutesago.Theclass___________________fortenminutes.Hisgrandpadiedin2003.Hisgrandpa___________________since2003.Thefilmhasbeenonforthreehours.Thefilm__________________threehoursago.hasbeenonhasbeendeadstarted/began1.他已学英语五年了。HehasstudiedEnglishforfiveyears

6、.2.他五年前学过英语。HestudiedEnglishfiveyearsago.（说明他现在还在学。）（只说明他五年之前学过英语，但现在不一定会。）现在完成时，强调这一动作产生的结果对现在的影响，与现在有关。一般过去时，仅仅表示在过去某一时刻曾发生过这一动作，与现在无关。Let'scompare!!!（2）1._____you________(clean)theroom?Yes,we__________(do)thatalready.When_______you______(do)it?We_______(do)i

7、tanhourago.2.______he______(see)thisfilmyet?Yes.When_____he_____(see)it?He______itlastweek.3.Howmanytimes_____you______(be)there?HavecleanedhavedonediddodidHasseendidseesawhavebeen下一页上一页1.—Where’syourmother?—ShehasgonetoBeijing.2.—HowmanytimeshaveyoubeentoBeiji

8、ng？—Twice.3.WehavebeenintheUSAformanyyears.注：①have/hasgoneto…（去而未归即isn’there）,常与Where’s…now?等提示语连用。②have/hasbeento…（去过并回来即isn’ttherenow）,常与ever/never/once/twice等连用。③have/has