The bridge have been built for 3 years. 改为主动形式

The bridge have been built for 3 years. 改为主动形式 The workers have built a bridge.（改为被动句） the bridge having been built a hundred years ago is…有语病吗 把下列句子改为被动语态4、The workers have alreadly built a bridge they have built a new bridge over the river改为被动语态 i have been the usa 3 years ago 还是i have been the usa for 3 The Greens have been in China for three years.(改为同一句） The Green have been in China for three years.改为同义句2种改法 In the past twenty years,many tall buildings have been built The workers built the bridge last year.改为被动语态 They have been friends for 6 years. 改为同义句 They have been fri I have joined the Part for 3years .I have been a member of t