Focus on present perfect for experiences
Remember those experiences that you feel happy about, those places you have visited and mention them on a written letter to a person you know.
Question and Negative
Have you been to the new restaurant yet?
What have you done lately?
She has not finished the test.
I haven't been here for a long time.
Action Finished Before Another Past Action
When we arrived, the film had started.
Use: when + past simple, June, last Tuesday
How Long To A Point In The Past
When he graduated, he had been in London for six years.
Use: when + past simple, for + time.
Unreal Things In The Past
I wish I hadn't gone to bed so late!
Use: third conditionals, wish.