把下列句子改成被动语态,并把改后的句子变成否定句和一般疑问句.

把下列句子改成被动语态,并把改后的句子变成否定句和一般疑问句.
1.We have set up the new school2.Ihave done the experiment successfully3.He has repaired his bike4.We have planted some trees around the lake.5.My father has locked the door 6.Someone has turned off the light7.Ihave finished my homework8.He has repaired his computer9.They have rebuilt the bridge

系统不让我回答你,这道题其实so easy! 1.The new school has been set up by us. 否定：The new school hasn't been set up by us. 疑问：Has the new school been set up by us? 2.The experiment has been done successfully by me . 否定： The experiment hasn't been done successfully by me . 疑问：Has the experiment been been done successfully by me ? 3.His bike has been repaired by him. 否定：His bike hasn't been repaired by me. 疑问：Has his bike been repaired by him? 4.Some trees around the lake have been planted by us. 否：Some trees around the lake haven't been planted by us. 疑问：Have some trees around the lake been planted by us? 5.The door has been locked by my father. 否定：The door hasn't been locked by my father 疑问：Has the door been locked by my father? 6.The light has been turned off by someone. 否定：The light hasn't been turned off by someone. 疑问：Has the light been turned off by someone? 7.My homework has been finished by me. 否定：.My homework hasn't been finished by me. 疑问：Has the homework been finished by me? 8.His computer has been repaired by him. 否定：His computer hasn't been repaired by him. 疑问:Has his computer been repaired by him? 9.The bridge has been rebuilt by them. 否定：The bridge hasn't been rebuilt by them. 疑问：Has the bridge been rebuilt by them?