Having been surrounded for a month, the enemy had to give in.

　　被包围一个月后，敌人不得不投降了。

　　[名师点津]　(1)系动词、不及物动词不能用于被动语态，其主动形式有时可以表达被动的意义。

　　The flowers smelling sweet in the botanic garden attract the visitors to the beauty of nature.

　　在植物园里鲜花散发着馨香吸引着游客去欣赏它们的自然美。

　　(2)need, want, require, be worth 等后跟动词­ing 形式表达被动的意义。

　　Whatever is worth doing should be done well.

　　凡是值得做的事情都应该做好。

　　[即时演练1]　用所给词的适当形式填空

　　①(2013·江苏高考改编)Shortly after suffering from a massive earthquake and being_reduced (reduce) to ruins, the city took on a new look.

　　②Having_been_criticized (criticize) by the teacher, Li Ming gave up smoking.

　　③The dish tasting (taste) nice is very popular with customers in this restaurant.

　　④The book is worth reading (read)．

　　三、动词­ing 形式的被动式的用法

　　动词­ing 形式的被动式可在句中作主语、宾语、表语、宾语补足语、定语和状语，但不能单独作谓语。

　　Being killed by sharks in this sea area is a common thing.(作主语)

　　在这片海域被鲨鱼吃掉是常有的事。

　　He didn't mind being left at home.(作宾语)

　　他不介意被留在家里。

　　What worried the child most was his not being allowed to visit his mother in the hospital. (作表语)

　　最使那个孩子焦虑不安的是不准许他到医院探望他的妈妈。

　　As we approached the village, we saw new houses being built.(作宾语补足语)

　　走进村子时，我们看到正在盖新房。

　　That building being built is our library.(作定语)

　　正在修建的那栋楼是我们的图书馆。

　　Having been given such a good chance, how could she let it slip away? (作状语)

　　既然被给这样一个好机会，她怎么可能放弃呢？

　　[即时演练2]写出下列句中动词 ­ing 形式的被动式在句中充当的成分

　　①Being laughed at in public is a terrible experience. 主语

　　②I heard this song being sung in English then. 宾语补足语

③The meeting being held now is very important. 后置定语