为什么有人会在这种句子里使用被动语态？
Why would someone use passive voice in a sentence like that?
什么时候使用被动语态？
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。
如果你不知道谁做了某个动作，那使用被动语态会是最好的选择。
If you don't know who is responsible for an action, passive voice can be the best choice.
广泛使用名词化结构和大量使用被动语态是科技英语的两个最显著特点。
This paper focuses on the analysis of the characteristics and causes of nominalization, meanwhile presents three techniques of English-Chinese translation of nominalization.
在这个单元里，我们将阅读关于波多黎各的文章，还有学习更多如何使用被动语态。
In this lesson, we will read an article about Puerto Rico, and learn more about how to use the passive voice.
过多使用被动语态的演讲通常被认为是传递了间接的、容易令人困惑的信息，因为施动者不明确。
Higher use of the passive voice is often viewed as an indicator of 'indirect' and more easily confused speech because the doer of the action is obscured.
这不完全是"神话" ;正如安德烈在biocurious评论中指出的那样，强制使用被动语态常常是为了表达的更加明确。
It’s not exactly right to call this a “myth”; as Andre from Biocurious points out in comments, the injuction to use the passive voice is often stated quite explicitly.
分析法律英语中使用被动语态的一些特色，有助于法律语言学习者更好地了解被动语态，以便能写出更标准的法律英语文献。
The author discusses the use of the Passive Voice in the English Language of the Law in this essay so as to givelearners of language of law some help to write standard documents of law.
使用主动语态和现在时，而非被动语态和过去时。
Use the active rather than the passive voice, and the present tense unless past tense is necessary.
（一般现在时被动语态）它被全世界旅行者和商业人员使用。
It is used by travellers and business people all over the world.
本文介绍了英语中被动语态的使用对句子中心意思表达的影响、特殊动词如何引出被动语态等方面内容。
In this article, it is introduced the influence of using passive voice to sentence expression of core meaning and how it is realized in particular verb types.
本文论述了在英译科技文体时能体现其客观性这一根本特点所常用的一些技巧和方法，尤其是被动语态的使用。
Some commonly used skills and means which can demonstrate its essential point — objectivity in C-E translation are presented in the thesis, especially the use of the passive voice.
被动语态在科学论文中很常见，因为它可以让作者避免使用i、me等词来表明的想法的出处。
Passive voice is common in scientific papers, because it lets the writers avoid using the words I or we, to avoid saying where their ideas came from.
英语中被动语态的使用受到诸多因素的制约。本文即从动词、宾语、语义等方面论述了被动语态的使用制约。
The use of passive voice is constrained by many factors. This paper discusses the constraints of passive voice.
在句法上，通俗科技英语交替使用长句和短句，简单句和复合句，也较多采用被动语态。
Systemically, ECST alternately uses long and short sentences, and simple and complex sentences as well, with lightly more passive voice.
本课中，我们将练习谈论我们的生活。我们将学习使用过去被动语态谈论过去。
In this lesson, we are going to practice speaking about our lives. We will learn to talk about the past using the past passive and past passive progressive tenses.
[解析]新机器在使用之前要先做测试，根据句意，这里应该用被动语态。
The new machine ought to (test) ______ before it is put to use.
[解析]新机器在使用之前要先做测试，根据句意，这里应该用被动语态。
The new machine ought to (test) ______ before it is put to use.
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