时态一致

时态一致一、宾从（1）主句时态为现在时，现在完成时，将来时，宾语从句可为任何时态heworkshard.heisworkinghard.Iknowhehasworkedhard.Ihaveknownheworkedhard.Iwillknowhewaswordinghard.hehadworkedhard.hewillworkhard.（2）主句为过去时，宾从应为过去的某个时态studiedhard.Ithoughhewasstudyinghard.wouldstudyhard.主要规则1、现在——过去Iknowthatheishonest.Iknewthathewashonest.2、现在完成——过去完成Iknowthathehasgone.Iknewthathehadgone.3、过去——过去完成Iknowthathesaidso.Iknewthathehadsaidso.4、过去完成保持不变Iknowthathehadcome.Iknewthathehadcome.5、现在时助动词——过去式Iknowthathewill/cancome.Iknewthathewould/couldcome.6、现在进行——过去进行Iknowthatheissleeping.Iknewthathewassleeping.注：1、宾从为真理或不变的事实时，一律用现在式Ourgrandfathersknewthatthesunrisesintheeast.Myfathersaidthatarolling(滚动的)stonegathersnomoss(苔藓).滚石不生苔，转业不聚财Ourteachertoldusthathonestyisthebestpolicy(政策;策略;保险单;策略性)诚实乃上上之策2、宾从说的是至今仍至未改变的习惯，可用现在时或现在进行时Hesaidhebrusheshisteethraftereverymeal.Hesaidthatheusuallyreadsthenewspaperwhileheiswaitingforthebus.Thesecretarysaidthatshealwaysleavesassoonasherbossgoeshome.HetoldhisbrotherthatIamalwaysfindingfaultwithhim.Hesaidhegetsupat6:00everymorning.Hesaidhegotupatsixo’clockeverymorning.3、宾从是历史事件则用过去时WelearnedthatAmericawasdiscoveredbyColumbusin1492.WelearnedthatthefirstrecordedOlympicGameswereheldin776B.C.二、状态从句的动词时态的一致实际上没有一定的规则，只要所涉及的时间配合一致便行1、主句为一般现在时，从句通常为一般现在，现在进行或现在完成Thesecretaryalwaysleavesassoonasherbossgoeshome.IusuallyreadthenewspaperwhileIamwaitingforthebus.Henevergoeshomebeforehehasfinishedhiswork.2、主句为过去时，从句通常为一般过去时，过去进行进时和过去完成时Hesatthereuntilthetelephonerang.Heleftafterhehadfinishedhiswork.TheywerestillwaitingtherewhenIgotthere.Johnwasstillgoingtoschoolwhilehisbrotherwasbecomingasuccessfullawyer.（3）主句为未来时，表“时间”及“条件”的从句不用shallwillletsupabit.Iwillstayhereuntiltherainwillletup(停止、缓和、结束)abit.（Ｘ）amhavinglunch.I’llthinkitoverwhileIwillhavelunch.（Ｘ）注：表意愿的从句可用willI’lldotheworkifshewilldoitwithme.Hewilltellyouwhenyouwillstartwork.*Wearelookingforwardtothedaywhenweshallhaveanewcar.(此句中的shall与上两句不同)