Sound Like a Native  Collocations are two or more words that
usually go together and sound more natural to native speakers. 
For instance, instead of saying “have a break” native
speakers would say “take a break.”  Instead of saying “make a
crime” native speakers would say “commit a crime.”  Instead of
saying “wash the dishes” native speakers would say “do the
dishes.”  It’s not necessarily that the other sentences
are wrong, it’s just not how native English speakers talk.
Vowel Sounds  parrotPracticing your pronunciation of English is
very important if you want to be understood when speaking. 
Students from different countries have a variety of different
pronunciation problems when learning English due to the fact
that they are not used to forming their mouths or tongues in the
way that is required to pronounce the English words properly,
which is true for most foreign languages.  So, in order help you
improve your pronunciation of English, try practicing with some
of the following links.