Составьте 4 предложения на времена:Past Simple,Present Perfect пожалуйста помогите.

1. She left a minute ago.

2. I spoke to him the other day.

3. They invited me to go out with them yesterday.

4. I spent my holidays in Switzerland last winter.

5. He has just come back.

6. I have never ridden a camel in my life.  

7. He has already sold his laptop.

8. We have been to Canada.