Necessary stress

• A word can only have one stress. In a very long word, you may use a smaller secondary stress.
• The stressed vowel in the word is clearly articulated, while the tend to be modified by the adjacent consonants.
• It is important to stress the right syllables to facilitat understanding.
• In a sentence, the word containing the meaning of it will be emphasized over the rest; so stress at word level will be modified.
• Some words are streesed differently whether they are a noun import or a verb import
• Some words are streesed differently in Britain or USA:  e.g.   BrE adult  AmE adult
• There are exceptions to every rule. Get acquainted with phonetics and use the dictionary. 

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