Present Perfect vs Past Simple

1. Usage

1.1. Not finished: I have played tennis for ten years

1.2. Experience in general: I have been to Paris

1.3. Explanation why something is now: Peter is happy. He has passed his driving test

2. Usage

2.1. Finished: I played tennis for ten years

2.2. One specific event: I bought this bag in Paris. It's very cheap there

2.3. Time is given: She came home at six o'clock

3. http://youtu.be/5JfrS2gYKe0

4. Present Perfect Forms

4.1. Affirmative: Suject+ have/has+ past participle

4.2. Negative: Subject+ have/has+not+past participle

4.3. Questions: Have/Has+subject+past participle..?

5. Past simple Forms

5.1. Affirmative: Subject+past forms

5.2. Negative: Subject+ did+not+ infinitive (without to)

5.3. Questions: Did+subject+ infinitive (without to)