How can we know where is the stress and unstress letters in a word ?

Answer 1

there are still some disputes about the stress rules in English amongst some linguists.

mainly, the word is devided into syllables and the stress can be cintributed to any of these syllables. the part of speech is then known according to which syllable carries more stress.

In general, nouns usually have the stress on the first syllable, whereas verbs have them on the second.

e.g. 'record= noun
re'cord= verb

In some cases the stress may even change the form of the word, and therefore; change its meaning.

e.g. 'photograph
pho'tograpy-or- pho'tographer
photo'graphic

So there is no certain rule for this notion. it is preferable to just leave it for you hearing and your constant use of words, that's how they teach them at school.

Answer 2

Are you talking about words in English, or in another language. I am currently taking spanish, and usually the stressed letter is the one that has an accent. If you're talking about English, an example of a stressed letter would be: Automobile. The stressed letter is the "Au". Any part of the word that has a little more emphasis when you say it is the stressed part. Like in "safety". In this case, the "a" would be the stressed letter.

Answer 3

By speaking the word one learns. Words were first spoken before they were written. So by learning as a child by listening and talking with others we learn how words work. Placing stress on certain letters is a behaviour we learn by imitating others. In the word natural we place the stress on nat with ural coming next, like natch ural. If we did it another way, it would not sound right as in na tur al. It would almost be correct but not just so. As you heard your mother or father, brother or sister say natural your brain picked up the stress point and you may have been corrected for saying it incorrectly but being imitators we quickly learn how to meld into the spoken word. Most of us knew how to say natural long before we could ever write it down on paper. So by imitation we learn to know just where to place stress points on most words, others not used much we may have to look up in a dictionary to know just how to say psychological. Have fun with your words, here is one to get you started, antidisestablishmentarianism and this one to end with, yacht.

Answer 4

In English, there are no general rules; you have to learn each word individually.

Answer 5

try this site - it is reall useful
http://public.research.att.com/~ttsweb/tts/demo.php