作业帮Why didn't I think of that before?这里的助动词为何用didn't,而不用don't.
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/04 01:20:05
Why didn't I think of that before?这里的助动词为何用didn't,而不用don't.
Why didn't I think of that before?这里的助动词为何用didn't,而不用don't.
Why didn't I think of that before?这里的助动词为何用didn't,而不用don't.
是before 之前的事情,是过去时
问是是刚才说话之前我怎么没想到那个呢？所以要用过去时