would be done是什么時態(tài)

過去將來完成時。如：He said that something would be needed to finish the task.他說要完成這項任務(wù)，需要某種條件。It was said that they would be selected by lottery.據(jù)說他們將抽簽選出。

過去將來時的構(gòu)成

肯定句：

（1）主語+be（was或were）going to+動詞原形（v.原）+其它

（2）主語+would+動詞原形+其它

（3）was/were+動詞不定式

否定句：

（1）主語+be not（wasn't或weren't）going to+動詞原形+其他

（2）主語+would not+動詞原形+其它

疑問句：

（1）Be（Was或Were）+主語+going to+動詞原形+其它

（2）Would+主語+動詞原形+其它

被動語態(tài)

（1）would+be+動詞的過去分詞（done）

（2）was/were+going to be+動詞的過去分詞（done）