GrammarGrammar1现在完成时(Presentperfecttense)(一)现在完成时的基本用法：1.表示动作到现在为止已经完成或刚刚完成。Ihavefinishedmywork.Wehavesetupmanynewfactories.22.动作发生在过去,强调对现在的结果、影响等。Haveyoueverseenthefilm“HarryPotter”?I’vespent3yearsinthecountryside.33.表示动作发生在过去,并且一直持续到现在,甚至还可能继续下去,句中使用持续性动词,且常有表示一段时间的时间状语。Wehaven’tsee...
SectionⅣOtherPartsoftheModule①suchas像，例如②disappearvi.消失，不用于被动语态。[原文呈现][读文清障]InsomecountriesinwesternEurope,suchas①France,SpainandBritain,thecountrysideischanging.Lifehasbecomedifficultformanyvillages,andsomearedisappearing②.1[原文呈现][读文清障]Thereareanumberof③reasonsforthis.Firstly,youngpeoplefromvillagesusuallywanttolivesomewherelivelier④andtheyoftenmoveto⑤the...
SocialInsuranceandtheMarriageMarket1PetraPersson^September13,2013AbstractWhenSocialinsuranceeligibilitydependsonmaritalstatus,thisisagovernmentinterventionintothemarriagemarket・Iformallyshowthatsuchinterventioninfluencesthreebehavioralmarginsinthemarriagemarket,andtestthetheoryexploitingaSwedishreformofsurvivorsinsuranceanannuitypaidtowidows,butnotdivorcees,uponthehusbandsdeath・First,Ianalyze...
SocialInsuranceandtheMarriageMarket1PetraPersson^September13,2013AbstractWhenSocialinsuranceeligibilitydependsonmaritalstatus,thisisagovernmentinterventionintothemarriagemarket・Iformallyshowthatsuchinterventioninfluencesthreebehavioralmarginsinthemarriagemarket,andtestthetheoryexploitingaSwedishreformofsurvivorsinsuranceanannuitypaidtowidows,butnotdivorcees,uponthehusbandsdeath・First,Ianalyze...
