1、Unit 3THE INTERNETSection Grammar现在完成时的被现在完成时的被动语态动语态hasbeendone肯定hasbeendone疑问hasnotbeendone否定语语法法精精要要点点拨拨Who has been toldhavent been toldHave the children been toldhas been changedhave been producedhas been sentwas builthave been boughthad been soldhave been addedhas been regardedhas been markedh
2、as been translatedhas been cleanedhave been wateredhave been learnedwas washedhas been repairedSome difficult questions have been asked by them.Millions of pounds worth of damage has been caused by thestorm.I have been given two tickets for the new play.He has been made to work hard.The flowers havent been watered for several days.Thank you for watching!