tell的过去分词是told。tell的基本意思是用语言或文字“告知”、“告诉”、“讲述”某事强调思想的表达，而不强调表达的方式。引申可表示“吩咐”、“嘱托”、“命令”、“确定”、“区分，辨别”、“泄露秘密”、“猜测”、“产生效果”等。

tell例句

1.In the evening I returned to tell Phyllis our relationship was over.

晚上我回来告诉菲莉丝我们之间完了。

2.His friends say he was always quick to tell a joke .

他的朋友们说，以前他讲笑话总是张嘴就来。

3.When your children misbehave tell them without making them feel small.

孩子表现不佳时要让他们知道，但不能让他们自惭形秽。

4.Many of the children know who they are but are not telling.

许多孩子知道他们是谁，可就是不说。

5.It was already impossible to tell where the bullet had entered.

已经无法判断子弹是从哪里打进来的。