关于被动语态 the pen was used by david the pen is used by david

关于被动语态 the pen was used by david the pen is used by david 英语 This is the pen used by David.This pen was used by David. this is the pen used by David能不能is 放在used 前面,为什么 The pen is used by me.和The pen that is used by me is very ex this is the pen used by Dick?前面的干吗用this is 还是我this is the pen used by me 再问一个 在么? this is the pen used by me` 改成从句 这个过去分词谢谢 this is the pen which was given by friend与this the pen which They use ice to make the room cool.改为被动语态我改为：Ice is used by 英语翻译O.Henry was a pen name used by an American writer of sho 英语翻译O.Henry was a pen name used by an Amerian writer of shor o.henry was a pen name used by an american writer of short s