1. the swimming pool is swum by me
2. my bicycle was ridden by me to school yesterday
3. everything is made ready
4. homework is been doing by everyone
5. no hand is raised by anyone
6. my bicycle was repaired by nobody yesterday
改了是改了,可是好奇怪哦……
I am swimming in the swimming pool.不能改.因为只有主\谓\宾结构才能变为被动态.动词要带宾语才能变被动.此外, 还要根据句子意思.