I ---- (吃）little this morning and now am hungry 可以填现在完成时吗?还是

现在完成时用于体现“已经”或“曾经”这样的意思；在讲述一件过去,而且是不久之前发生的事或行为,用 简单过去时.
I ate little this morning ...
再比如：I have had a headache for almost a week but now I feel it's totally gone.
发生了而且还延续了一阵子,这样的情形就可以用现在完成时.