Explications:

pour example (pour passé):

My best experience was when i helped people.I helped them carry they're bags, i helped elders cross the roads and it felt very good!

pour présent

my best experience:I am at an community and i am helping cleaning the world.I am picking up the rubbish and cans.I am puting them in to the bin.People are making the world dirty and i am trying to stop it.

Si c'est mal pardon