We don't use the present perfect to describe a defined (finished) time in the past. To describe a defined time in the past, we use the past simple.
The form of the present perfect simple is have/has + past participle.
For more information about the present perfect see the Grammar Reference.
1. Describing recent events.
Write the past participle of the verb in brackets to complete the sentences.
4. Time expressions.
Put these words and expressions into two groups. This exercise is in two parts. Scroll down to see the second part.
Part 1
Part 2
What is the difference between the two groups?