1.having done 是非谓语动词中现在分词是非谓语动词中现在分词2. 的完成式。动名词的一般形式通常表示的完成式。动名词的一般形式通常表示一般性动作（即不是明确地在过去、现在一般性动作（即不是明确地在过去、现在或将来发生的动作）或是与谓语所表示的或将来发生的动作）或是与谓语所表示的动作同时发生的动作。动作同时发生的动作。 They are all interested in climbing mountains. He took a great delight in helping others. 与现在分词一般式与现在分词一般式doing 相比相比,doing表示的表示的动作或状态往往与句子谓语动词表示的动作或动作或状态往往与句子谓语动词表示的动作或状态同时发生状态同时发生,而而having done 强调在谓语动词强调在谓语动词之前发生。之前发生。having done 通常在句中作状语通常在句中作状语,表表示句子主语发生的动作或存在的状态示句子主语发生的动作或存在的状态,与主语与主语是主动关系。是主动关系。 Having worked there for 30 years, Haydn moved to London. Having promised to stay with my mother, I didnt accept the invitation to the party.2. having done 作状语作状语,可以变成相应的可以变成相应的完成时的状语从句。比如上两句可分别完成时的状语从句。比如上两句可分别变为变为: After he had worked there for 30 years, Haydn moved to London.Because I had promised to stay With my mother, I didnt accept the invitation to the party.3. having done 的被动式为的被动式为:having Been done,与句子主语之间是被动关系。与句子主语之间是被动关系。 Having been discussed for many times, the problem remained unsolved. 该句同样可变为该句同样可变为:Although it had been discussed for many times, the problem remained unsolved.Match the two parts of the sentences.1. Having know Roy for years,2. Having discussed a very personal matter, 3. Having chatted together two or three times,4. Having been shy and lonely when I arrived at the new school,A. I felt I was getting to know him.B. I hoped he would not tell anyone.C. I was very happy when I made some good friendsD. I did not expect him to behave like this. Rewrite the sentences. Begin with the word Having.1.After I had been to his house a few times, I started to get to know his family. Having been to his house a few times, I started to get to know his family.2. After I had talked to him for a while, I started to like him. Having talked to him for a while, I started to like him.3. Because we had lived next door to them for years, we were sad when we had to move house. Having lived next door to them for years, We were sad when we had to move house.4. After we had argued all day, we laughed and agreed that we had been stupid. Having argued all day, we laughed and agreed that we had been stupid.(1)_ counted the money, Mr White put it in the box. The key to the box had (2)_ lost long ago, but Mr White (3)_ not worried. “(4)_ put it in my locker,” he thought, “Itll be quite safe there.” Having (5)_ this, he put the box under hisarm and walked over (6)_ talk to some of the older boys. “Well done!” he said. (7)_ to the box. “Theres 500 in here!” (8)_ chatting for some minutes, he went to his desk to (9)_ for some papers and found them underneath some books. HavingbeenwasIllthought ofpointingAfterlookto He was looking through them (10)_ a boy put his head round the door and said, “Mr White, your wife is on the phone. She needs to speak to you (11)_,” _Mr White jumped (12)_ and went out of the room, having (13)_ all about the box. (14)_ returning to his desk, he found it had gone. whenimmediately/ at onceurgently/forgottenupOn