Dan Robinson has been worried all week.为什么要用被动语态?

Dan Robinson has been worried all week. Dan Robinson has been worried all week 疑问 Dan Robinson has been worried all week.这里为什么有been,那was或者is之类 Dan Robinson has been worried all week.Last Tuesday he recei He has been worried all week.为什么用has been worried,而不是has wor Dan has been worried all week and he's still worried.这里的stil Ted Robinson has been worried all the week,这句话的语义? Ted Robinson has been worried all the week.Last Tuesday he r 英语翻译Ted Robinson has been worried all the week Tuesday he re 一小段英语的翻译Ted Robinson has been worried all the week Tuesday h 英语翻译翻译;Dan Robison has been worried all week ,last Tuesday h 英语语法求助Mr.D has been worried all week.这句话是什么时态?has been worri