有的.having done表示主句动作在非谓语之后发生,有after的意思.having done比having been done常见,因为having been done很多时候可以用done代替.
having done例子：
Having finished his homework,Tom went to watch TV.
Having set down what the teacher said,he left the classroom.
还算好理解吧,不懂再问吧.
英语非谓语动词中有having been done,那有没having done形式?
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