将We often see him dance改为被动语态

问题描述:

将We often see him dance改为被动语态

正确答案是:He is often seen to dance by us.注释:"see sb.do sth."的被动语态要加“to”,即:be seen to do sth.另外,原句有"often",只能改成:be seen to do sth.的形式,不能用be seen doing sth.若原句是“We ...