Paragraph 1: Describe the activity, trip...

 I would never have told that I would have liked it so much. I'm going to tell you the first time that I went to play basketball 

Paragraph 2: Explain why have you decided to do this activity. In other words, explain the reasons that persuaded you to do the activity.

First I thought that I'd never do it but I've decided to  because a friend told 

Pargraph 3: Describe the activity you have done.
It was a sunny/windy/cold/ morning/ afternoon/night...I got to ...... by........ with ......... We started.... at ....o'clock  Then I...., later we......, afterwards......

Paragraph 4: Talk about your feelings after having done the activity.

As a result of my experience I...
I would always remember this day because...