Nothing gets between haber and the past participle! Nothing! Never put any other words between them. And now you have learnt the perfect tense. Has aprendido el pretérito perfecto. The first part ...

The perfect tense is made up of two parts. The first part is often the verb avoir ‎- ‎to have and the second part is the past participle.‎ For example, j'ai mangé un sandwich - I have eaten ...