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（3）当主动句变被动句，如果要强调施动者，可将原句主语置于by- 词组中表达出来。 A boy found this wallet in the street. →This wallet was found in the street by a boy. （4）当主动句是一个“主－动－宾－宾”结构时，可以有两种形式。 Father gave me a toy yesterday. →I was given a toy yesterday. →A toy was given to me yesterday. （5）当主动句是一个“主－动－宾－补”结构时，可将原来的宾语变为被动句的主语，原来的宾语补语变为被动句里的主语补语。 They named the boy Tom. →The boy was named Tom. We painted the wall pink. →The wall was painted pink. (责任编辑：admin) |