1. Present Perfect Tense

2. What is a present perfect tense?

3. Time usages.
Actions started in the past and continuing in the present.
Example:
She has worked in the bank for 5 years.
We’ve have had the same car for 10 years.

4. 2nd time When the time period referred to has not finished. Example:
I have worked hard this week.
It has rained a lot this year.
We haven’t seen her today.

5. 3rd time
Actions repeated in an unspecified period between the past and now.
Example:
They have seen the film six times.
We have eaten at the restaurant several times.

6. 4th time Actions repeated in the very recent past (+just). Example:
I have just eaten
Have you just finished work?

7. 5th time.
When the precise time of the action is not important and not known.
Example:
Someone has eaten my soup!

8. Present perfect continuous
Time usage:
Actions that started in the past and continue in the present.
Example:
She’s been waiting for you all day.
Actions that have just finished, but we are interested in the results.
Example: It’s been raining(and the streets are still wet)

10. How to form the sentence.
Subject
to have
past participle
She
has
visited.