【英语】被动变主动

问题描述:

【英语】被动变主动
Rice is grown in the northeast of China.变主动

People grow rice in the northeast of China.He often asks me to play with him 变被动怎么变?? by him 加在哪里呢I am often asked by him to play with him .(by ...一般放在被动结构后)