The ice has been melted .为什么这个现在完成时要加been,been不是被动语态吗?
The ice has been melted .为什么这个现在完成时要加been,been不是被动语态吗?
Has the new color film been shown this year?为什么用现在完成时的被动语态?
His father has been dead for two years为什么用been?been不是表被动吗?
there has been...为什么要加been?
his task has been fulfilled是现在完成时的被动语态吗?
现在完成时这里为什么要加been,什么情况下要加been?
英语 完成时It has been raining for three hours.为什么要加been?加been不是表
现在完成时被动i have been excited several days...为什么excited前面加been变
现在完成时改被动语态什么时候用has或have been done
I 've been away from shanghai for3 days"是被动语态吗?为什么能用have(has
he has been there since 1997s是完成时被动语态吗?如果是为什么要用被动语态?不可以说成he
The first part of the plan has been accomplished.这里为什么要加been