having created是什么时态

He included many proverbs that he had heard or created.

他收录了许多他听到或创造的谚语。

He created many unforgettable characters in his novels.

他在他的小说中创造了很多令人难忘的.人物。

It was created by a French chemist, Angelo Mariani, in 1863.

它是由法国化学家安吉洛·马里亚尼于1863年创造的。