to tell和tells的区别

To tell 是告诉的意思，tells则是tell告诉的第三人称使用的。区别可以从以下例子看出：

We decided to tell him to do something, and she tells him all details, then follow up with him and give him any help . 我们决定让他做点什么，她告诉他所有细节，然后跟进他, 需要的时候给予帮助。