Student or Learner
I have a question below about the present perfect.
This sentence "Drugs have become a big problem everywhere. "
Why cannot it use present simple? Such as "Drugs become a big problem everywhere."
This problem of the drugs exists in everywhere, dosen't it?
Last edited by puman0727; 25-Aug-2013 at 13:35.
Last edited by Rover_KE; 25-Aug-2013 at 09:06.