составь 5 предложений в Present perfect по словам ниже: rafting IT classes tree house a robot и везде учитывай have

Вот пять предложений в Present Perfect, использующих указанные слова:

1. I have gone rafting in the river several times this summer.
2. We have attended IT classes to improve our programming skills.
3. They have built a tree house in their backyard for the children.
4. She has created a robot that can perform various tasks.
5. He has participated in several competitions related to IT and robotics.