by的短语和被动语态怎么区分?

by的短语和被动语态怎么区分? 被动语态,by短语放在复合句的那里 如何区分主动语态和被动语态. 如何区分主动语态和被动语态. 被动语态里be动词的时态怎么区分 英语的被动语态和主动语态怎么转换?被动语态的用法 英语怎样区分被动语态和过去式 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 英语的被动语态和主动语态在句子中怎样区分?句子分析我会, call的用法怎样区分call的被动语态He is called Tom by his mother和called一般用法the boy called Tom什么时候用被动语态什么时候直接用call 过去完成时改被动语态We had cleaned our classroom by Tuesday .要怎么改成被动语态?（要含有by us 和by Tuesday ） 被动语态的by sb是什么 被动语态和主动语态的区别 be加过去分词就一定是被动语态了吗 怎么区分表系结构和被动态TAT I have been given two tickets for the new play at the Young Theatre on Sunday.为什么要用现在完成时的被动语态?他怎么和一般现在时的被动语态区分开来? 谓语中含有动词短语的句子怎么改成被动语态We must take good care of the young trees.怎么改成被动语态? 变被动语态时,当by sb和时间、地点同时出现时,怎么排列顺序? 如何区分主动语态与被动语态