Ответ:1.I have messaged people
2.I havent shared files
3.I havent posted messages
4.I havent created a personal website
5.I have played games online
6.I havent used a webcam
7.I havent blogged
8.I have chated with somebody from another country
при present perfect используется "I have/havent" и после него глагол в прошедшем времени, либо с окончанием "ed" либо в таблице глаголов 3тий столбик, тоесть V3
Write affirmative or negative present perfect sentences about your own internet experiences.
1. I've messaged people.
2. I haven't shared files.
3. I have posted messages.
4. I have created a personal profile.
5. I have played games online.
6. I have never used a webcam.
7. I have never blogged.
8. I've chatted with somebody from another country.