1. 主動(dòng)語(yǔ)態(tài)與被動(dòng)語(yǔ)態(tài)的轉(zhuǎn)換
【經(jīng)典例題】Many workers built this factory in 2001. This factory ___ ____ by many workers in 2001.
【名師精解】本題的正確答案為:was built.正確解題的關(guān)鍵是被動(dòng)語(yǔ)態(tài)的構(gòu)成(built――be built)和過(guò)去時(shí)態(tài)(be動(dòng)詞要用was,與原句的built對(duì)應(yīng))。