Question

(Having或Have) been told many times though,he still can't understand it.

以上句子中用Having还是Have，请说明详情原因，谢谢！

Answer 1

同学，为你解答：

Having been told many times though,he still can't understand it.

理据：i这里的 Having 是ing分词作为非谓语动词，Having been told是现在完成时的被动结构。这里的告诉是别人告诉的，因此是被动！

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Answer 2

having 做主语只能用名词或动名词