被动语态,by短语放在复合句的那里

被动语态,by短语放在复合句的那里 by的短语和被动语态怎么区分? 英语被动语态中的by...能不能放在句子中间. 什么情况下 by短语可省（在被动语态中） 被动语态中,by的位置放在哪里? 特殊短语的被动语态The volunteers are taking good care of homeless children.变为被动语态Homeless children 这里6个空 by the volunteers.再举几个 特殊被动语态的例子顺便讲下 变 被动语态 主动语态变被动语态的问题比如说Our teacher tell us to study hard all the time变被动语态后,那个all the time放在哪里?能不能总结一下,当有短语和句子修饰主语或宾语时变被动语态后,修饰的短语或句 被动语态中的by放在状语前还是状语后? 短语的被动语态：heated ice cream scoop,请问这里用的是被动语态,scoop,应该放在前面那,句子都是这样 被动语态的by sb是什么 有关被动语态的He wrote the letter.该变动语态 The letter was written by them.They play football on sunday .变成被动语态 Football is played by them on sunday .什么时候 （by+执行者）放在句尾,什么时候放在句中?跟时 在被动语态中by都放在最后吗?例如 a new bag was bought for her as a birthday present by her husband 为什么as a birthday present 放在了by的前面 they took the sick boy to the hospital at once改为被动语态 at once放在哪里,by them 放在哪 they took the sick boy to the hospital at once改为被动语态 at once放在哪里,by them 放在哪 She doesher homework every day.改为被动语态在百度上搜到的怎么是by herself?应该是by herself吧? The mountain tops are covered with snow.这句子如何改为主动语态,with snow是介词短语吗?with词义呢?如果说snow是主动语态的主语，改为被动语态时，为什么不用by 而用with呢？ 被动语态的by后面可以加冠词the吗? 初二被动语态被动语态的公式,