would be是英語(yǔ)中表示過(guò)去將來(lái)時(shí)態(tài)的一種形式，用于描述在過(guò)去某個(gè)時(shí)間點(diǎn)之后將會(huì)發(fā)生的事情。它通常用于表示假設(shè)、愿望、推測(cè)或非真實(shí)的情況，是一種虛擬語(yǔ)氣。

would be是什么時(shí)態(tài)

would be是過(guò)去將來(lái)完成時(shí)。

如：He said that something would be needed to finish the task.

他說(shuō)要完成這項(xiàng)任務(wù)，需要某種條件。

It was said that they would be selected by lottery.據(jù)說(shuō)他們將抽簽選出。

過(guò)去將來(lái)時(shí)的構(gòu)成：

1、肯定句：

主語(yǔ)+be（was或were）going to+動(dòng)詞原形（v.原）+其它

主語(yǔ)+would+動(dòng)詞原形+其它

was/were+動(dòng)詞不定式

2、否定句：

主語(yǔ)+be not（wasn't或weren't）going to+動(dòng)詞原形+其他

主語(yǔ)+would not+動(dòng)詞原形+其它

3、疑問(wèn)句：

Be（Was或Were）+主語(yǔ)+going to+動(dòng)詞原形+其它

Would+主語(yǔ)+動(dòng)詞原形+其它

4、被動(dòng)語(yǔ)態(tài)

would+be+動(dòng)詞的過(guò)去分詞（done）

was/were+going to be+動(dòng)詞的過(guò)去分詞（done）

would be的雙語(yǔ)例句

It was announced that new speed restrictions would be introduced.

據(jù)宣布，將有新的限速規(guī)定出臺(tái)。

She would be in bed by now, as like as not.

這工夫她很可能睡了。

He said he would be here at eight o'clock.

他說(shuō)他將在八點(diǎn)鐘到達(dá)這里。

It would be a good idea to call before we leave.

我們出發(fā)之前打個(gè)電話是個(gè)好主意。