" birds build nests " uses the active voice ; " nests built by birds " uses the passive voice "鸟筑巢"用主动语态； "被鸟筑的巢"用被动语态
Some verbs are normally used in the passive when they are followed by a " to " - infinitive clause 一些动词在跟不定式结构时候通常是用被动语态。
In active voice , the doer is the subject ; in passive voice , the getter is the subject 在主动语态中，主语是施动者。在被动语态中主语是受动者。
Students answer questions to raise awareness of the concepts of the passive , form and function 学生通过回答问题来提高对被动语态概念的认识及其形式和作用。
Active voice stresses the doer ; passive voice stresses the getter . which one should you stress 主动语态强调施动者，被动语态强调受动者。你要强调的是什么
Lately , we ve been getting questions ( via email ) regarding when and when not to use the passive voice 近来我们收到了一些电子邮件询问什么时候该使用被动语态。
The passive voice is avoided by good writers . positive statements are more persuasive than normative statements 好的作家避免使用被动语态。实证论述比规范论述更有说服力。
Five sentence patterns , verb tenses , active & passive voices , subjunctive moods and others are all included in the 10 units of this site 五大句型、动词的时态主动与被动语态、假设语气以及其他重要文法知识，都包括在这10个单元里面。
Practice in forming the passive . students are given sentences from academic reports that are written in the active . they have to rewrite them in the passive 练习构造被动语句。学生必须把一些摘自一个学术报告中的主动语态句改写成被动语态形式。
