The forms of the Present Perfect are as
follows:
1. has/have + past participle (third verb)
2. has/have + not + past participle
3. has/have + subject + past participle
follows:
1. has/have + past participle (third verb)
- I have visited Petronas Twin Tower.
- Everyone in my class has walked the famous Bukit Bintang street.
2. has/have + not + past participle
- I haven’t been to Genting Highland.
- She hasn’t heard of the famous Aquaria Centre in Kuala Lumpur.
- We haven’t experienced the PC Fair, which is held in December each year.
3. has/have + subject + past participle
- Have you heard of the famous Pavilion Mall?
- Has she shopped in any of the cool boutiques?
- Have we taken pictures in front of the Pavilion Mall?