1现在完成进行时与现在完成时综合练习题21.―Katedoesn’tlookverywell.What’swrongwithher?―Shehasaheadachebecauseshe___toolong;sheoughttostopwork.A.hasbeenreadingB.hadreadCisreadingDwasreading32.Thisisthefirsttimethestudents__toHydePark.A.havegoneB.havebeengoneC.havebeengoingD.arebeinggone43.She______hermother’sworksinceshewasadmittedintohospital.A.isdoingB.hasbeendoingC.hasdoneD.hasbeendone4.It...
春天还会远吗?willitstillbefarinspring?冬天已经来了,Winterhasalreadycome,1现在完成时态Winterhasalreadycome.上一页2现在完成时的构成形式havedonehas助动词过去分词上一页3①陈述句肯定形式。主语+have/has+过去分词+其它e.g.Ihavehadlunch.已经吃过午饭了。HehasgonetoBeijing.他去北京了。②陈述句否定形式。主语+have/has+not+过去分词+（在助动词have/has后+not，可缩写为haven’t/hasn’t）e.g.Ihaven’thadlunch.我...
1ThePresentPerfectTense2现在完成时构成:现在完成时由“have/has+动词的过去分词”构成。现在完成时的肯定式、否定式和疑问式及简单回答形式（以动词study为例）：肯定式：I（You）havestudied.He(She,It)hasstudied.We(You,They)havestudied.否定式I(You)havenot/haven’tstudied.He(She,It)hasnot/hasn’tstudied.3We(You,They)havenot/haven’tstudied.疑问式：HaveI(you)studied?Yes,you(I)have./No,you(I)haven’t.Hashe(...
现在完成时现在完成时的构成：现在完成时由助动词have\has+过去分词构成，第三人称单数用has，其余用have。IhavebeeninShenzhenforsevenyears.Lilyhasn’tbeentoAmericabefore.现在完成时的用法：1）现在完成时通常表示在说话之前已经完成的动作或存在的状态。说话人强调的是该动作或状态对现在的结果或影响。Mydaughterhasjustgoneout.我女儿刚出去。I’msurewe’vemetbefore.我肯定我们以前见过面。Shehasarrived.她到了。2）...
