主动句变被动句规则:把动词后面的宾语变为被动语态的主语,即将主语和宾语对调,动词要改为被动形式,原句子的主语有时可以省略,如不省略则在原主语前面加个by,也就是宾语+被动形式动词+by+主语.
1.Dose,used ;people为主语,Chinese为宾语,将主宾调换位置,动词use变为被动 used
2.wasn't,visited,by;They是主语 visit是动词 the city是宾语
3.were,made;you是主语 make是动词 them是宾语
4.has ,seen,her
5.did,paint ,trees
6.In,Guangzhou,in,1912,found
7.Were,wore
8.was,took care
9.Was,bought,fo