爱思英语编者按：向对方强调自己所说的“确实是，真的是”时，就可以在句子后面加I tell you ……

必须掌握的关键句型:48

48.～ , I tell you .～ ，我告诉过你了。

Our usual restaurant is closed today , I tell you .我们常去哪家餐厅今天停业，我告诉过你了。

You'd better not trust him , I tell you .告诉你，最好不要相信他。

She got the first prize at the beauty contest , I tell you .她在选美比赛中夺冠了，我就知道会这样。

基本例句巩固练习1:

A:Did you have a hard time finding my house ?
你找我家很不容易吧？

B:Yes . I was lost . The map you gave was wrong . I tell you .
是啊。我迷路了。我跟你说，你给我的地图不好。