unit16reading课件

表示动作先于谓语动词以前已经持续了若干时间或若干次，Havingbeenabossfortenyears，Idecidedtodoanexperimenthavingdone动词ing的完成时态，realize，在句中作状语，BenjaminFranklinAmericanstatesmaninventorwriterscientistversatilityFranklin’sFamousKiteexperimentlightningelectricitykiteattractthunderstormcondensershedthesameHavingrealizedthatIcoulduseakitetoattractlightning，think等动词时～todo3当以“beginning”形式出现，hefoundithardtotakeordersfromothersUsefulexpression:conduct:v指挥；进行nconductor指挥；售票员；导体charge:cn/vn费用；主管(inchargeofsth)v收费；控告(chargesbwithsth)充电(tochargeabattery)Compare“begintodo”&“begindoing”1谈论一个长期工作开始养成时～doing2当begin后接understand，see，know，其后跟～todo`prove:v(provesthtosb)证明egItwillbedifficulttoprovethathewaslyingegtoprovesb’sinnocencetothecourtegLisaprovedherselftobejuststrongasthemennprooftear:n眼泪v撕裂；迅速移动tearoneselfaway(fromsb/sth)egHecan’ttearawayfromthatcomputergames（忍痛离开）tie:vtie…to把……绑在egThefarmertiedthehorsetoatreeappear:v出现；刊登egThebusappearedroundthecornereg，