as i know,simple past is used for exact time in the past
but when u use present perfect u don`t know the exact time and it`s abt somthing did in the past and now is finished..
0 voted
March 22, 2013
0
Corrected
First notebook entry: Introducing myself
i`m a student at university.i`d like to improve my english and i`ll be glad to help you with persian,i realy enjoy meeting poeple from all around the world...
0 voted
December 29, 2012
0
Posted
First notebook entry: Introducing myself
i am learning english because i love it and i enjoy learnig
i enjoy rock climing & eirobics
i want to learn english more
