a怎么改,主语是什么

a怎么改,主语是什么 my father is a doctor 主语改为he怎么改拜托了各位 They do sports every day.改主语怎么改把主语改为Tom,重写句子 This is a very interesting storybook .此句话主语是什么.怎么判断一个句子的主语.隐形主语又是怎么一回事情?HELP! Singing English songs is a good way to learn English用it作形势主语改写句子应该怎么改? 马甲是什么?怎么改? I was busy this morning 用三单作主语怎么改过去式could 怎么改 They pay doctora a lot of money.改为被动句怎么改以“A lot of money”做主语改被动句.如果改成A lot of money is paid for doctors，这里的paid for 如果是过去式怎么改主语?比如：I had finished my work before you came.用He做句子的主语如果是一般现在时呢 比如：I always enjoy a good film. 主语是什么? Give me a chance and I will change!Give me a chance and I will change!里面的Give me a chance主语是什么,为什么Give不用动词不定式?这是否有语法问题?有的话怎么改?顺便翻译一下, so+助动词+主语 neither/nor+助动词+主语 so+主语+助动词三者的意思是什么,怎么翻译,该怎么用 请问 怎么区分主语?例如:In came a man with a white beard.是倒装结构,那原句是什么? 英语被动语态的同义句i fill the cup with tea =the cup is filled with tea by me 如果我再用tea做主语,那么怎么改啊?变成什么?my mother made me buy a book 可以改成a book做主语么?怎么改?我会追加积分的! 英语主语从句究竟是什么?怎么判断,怎么用? 英语主语从句究竟是什么?怎么判断,怎么用? hand in your homework on time.用she 做主语怎么改 i can understang you 用he 做句子的主语怎么改?