【正文】
have been set up B. have taken place。 have been set up C. have taken place。 【 課型 】 Grammar 【 回顧復習 】 【 新知識學習 】 Step Leadingin(情景導入 ): 分析句子是主動語態(tài)還是被動語態(tài)? old man has been dead for two years. have done the job. house has been built for 3 years 歸納總結(jié):現(xiàn)在完成時的被動語態(tài)的構(gòu)成 : ______________其否定結(jié)構(gòu)為: ____ : .將下面句子改為被動語態(tài): have bought a new person