英语翻译：昨天是我帮助了你
问题描述：
英语翻译：昨天是我帮助了你
答
I helped you yesterday.
答
It was me who helped you yesterday.
强调句，who也可以换成that
答
The one who helped you yesterday was me!
答
It was me who had helped you yesterday.
主句用一般过去时，从句用过去完成时，我昨天帮了你是过去已经完成的动作
答
It's me who helped you yesterday
答
It was me who helped you yesterday。