content_image/777350.jpg content_image/777354.jpg content_image/777355.jpg content_image/777356.jpg
<img src='content_image/777350.jpg'>

* When the polite form is used and the auxiliary is essere , the past participle agrees with the gender of the person being spoken to, not with Lei . 

## Past perfect of avere and essere 

5 Avere  forms the past perfect with the auxiliary avere : 

<img src='content_image/777354.jpg'>

Essere  forms the past perfect with the auxiliary essere : 

<img src='content_image/777355.jpg'>

<img src='content_image/777356.jpg'>

