您的问题很简单.百度知道很高兴帮助您解决您提出的问题.
原句：忘记了是否做过某事
翻译：Forget whether of doing STH
忘记做过了某事：forget doing sth
忘记做过某事forget doing sth；doing sth
忘记做过了某事forget doing sth
忘记曾经做过某事forget doing
忘记已做过某事forget doing sth
忘记曾做过某事forget doing
忘记做过某事了forget doing sth
忘记记得曾经做过某事Forget / remember doing sth
记得/忘记做过某事remember/forget doing sth
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