This is Dr.Muralikrishna,Retired Professor of Linguistics.I suggest you to Listen more of English,then speak confidently ignoring grammatical aspect,later you write your dairyi.e the events of yesterday,today and tomorrow , and read the news paper with normal English aloudly. If you practice you can see the improvement.For usages of English words refer a book by name PRACTICAL ENGLISH USAGE by MICHAEL SWAN published by OXFORD PRESS.Further you can contact 09952923392.
Queries of these types occur often. Please read my previous reply:
Of course my reply on improving English and not on communication per se, however, still it will be useful.