English is a so common languange- English is such a common language
the world has become so combined- I don't like 'combined' here. How about something like 'intertwined'?
language circumstance- What do you mean by this?
practice and using- practicing and using
by correcting of our parents and relatives- through being corrected by our parents and relatives, we learn to be understood...
, or can not- and
Student or Learner