Student or Learner
Once I've learned English, the situation has been changed compelitily because now I can read on-line newspapers and ....
Shall I use passive voice?
Thank you so much for answering my question.
Not a teacher
Based on your example I, personally, would tell not not to use the passive. However consider the following changes to improve your original statement:
Since I've learned English, my situation has changed completly, because now I can read on-line newspapers and ....