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虽然四级考试中并没有语法题，但语法却是每个题型都需要的重要存在。

不知道你们有没有这样一种语法困扰，那就是——被动语态。虽然看似不难，但每次一碰到相关选项就各种犯错。

为了防止大家错误重演，本文就带大家看看被动语态的正确用法吧!

首先，被动语态由be+过去分词构成，be随时态的变化而变化。

下面我们以give为例，各种时态的被动语态形式为：

一般现在时：am/is/are+given

The first section of New College English is designed for speaking practice and is based on pictures and topics.

一般过去时：was/were+given

These computers were made in our own country.

一般将来时：will/shall be+given

Shall we be asked to attend the opening ceremony?

过去将来时：would be+given

The news would be sent to the soldier's mother as soon as it arrived.

现在进行时：am/is/are being+given

The machine is being repaired in the workshop. The fifth generation computers, with artificial intelligence, are being developed and perfected now.

过去进行时：was/were being+given

The feast was being prepared when the birds arrived in the sky

现在完成时：has/have been+given

Swift progress has also been made in culture and education.

过去完成时：had been+given

The huge bridge had been damaged before the World WarⅡ.

将来完成时：will/shall have been+given

The book will have been published by the end of next month.