Verb conjugation of "perforate" in English

I wanted to tell you that we have uploaded a successful version (with Peter). In Annex I send the profile. It is very similar to the last version, just a few words less in each lesson.
I have three children, Michelle, Cathy and Joe. Unfortunately, my parents do not live in the area. I am glad that they visit every 2 weeks, although they are already over 70 years old.
I've never been to Switzerland, but I'd like to go to the Alps. Until now I was only in Austria and in France. Maybe I will go there, for example skiing in Davos or in another nice mountain village.