have been done和have been doing 和having been done和having done的区别.请举例,
问题描述：
have been done和have been doing 和having been done和having done的区别.请举例,
答
have been done 是现在完成时的被动。
have been doing 是现在完成进行时，表示从过去到现在并正在进行着的动作或者事情。
having done 是非谓语动词的完成时，动作是主语主动发出的，并且在谓语动作发生之前，在句子中作状语，表示完成...之后，常用于句首。
having been done 表示被动。
答
1.have been done 曾经被 e.g.* has been taken charge of by the Japanese.
2.have been doing曾经干过一段时间...e.g.I have been walking along the lake.
3.4.是现在分词形式,一般用作状语,如 Having been bitten by a dog,now I am not a dog fan.
Having written the same composition before,I passed the exam with ease.