（1）肯定式句型：have/ has +been +done

例句：
1.Many studies have been done over the years on various aspects of Web and interface design, and the findings are valuable in helping us improve our work.
這些年，很多人在網(wǎng)站和界面設(shè)計的很多方面完成了很多的研究，這些結(jié)論在幫助我們提高我們的工作方面很有價值。

2.But even though green tea gets a lot of props for its reputation as a healing brew, most of the studies on its effects have been done in the laboratory or in animals.
雖然綠茶有很多好處使它享有保健品的美譽(yù)，但是，對于它的影響的實(shí)驗(yàn)仍然在實(shí)驗(yàn)室或者動物身上大量進(jìn)行著。

3.But by that point, the damage will have been done.
但是這么看來，帶來的破壞似乎已經(jīng)到頭了。

（2）否定式為：have/ has +not +been +done

例句：
1.Her story has not been published.
她的故事還沒有被出版。

2.His homework has not been done.
他的作業(yè)還沒寫完。

3.Mike has not been seen for a long time.
麥克已經(jīng)很久沒被看到了。?

（3）一般疑問句需將have /has提到主語的前面。

例句：
1.Has her story been read?
她的故事被看過了嗎？

2.Have your pen been found?
你的筆被找到了嗎？

3.Has the seat been ordered?
這個位置被預(yù)定了嗎？

（4）特殊疑問句為：疑問詞+have /has +been +done?

例句：
1.Who has been investigated?
誰被調(diào)查了？

2.Where has the book been taken?
這書被帶到哪兒了？

3.When has the house been built?
這所房子什么時候建的？