do well by 对某人好 by后面加人具体怎么用啊

do well by 对某人好 by后面加人具体怎么用啊 I cant do it well by -----(I) by ourselves做状语时可以省略by 如：we can do it well by ourselves可以省略by吗? Well-being by your How do you study Chinese well?by reading lots of books 中by的意思 Everything should always be done well by them.always不是应该放在be动词前吗?put it down,Tom.you musn't read anyone else's letter.为什么S不是加在anyone后面?be useful to sb 对某人有用 那有be useful for 有什么区别 类似的 by 后面加时间by 1884 We can relax ourselves very well by l----后面还有at those stamps Do sth by mistake do the best by What do you mean by that?by What do you meam by I hope you are doing well,thanks Don't care about,because nothing is important when you do well by yourself. by by by by by