ي's short= ـِ
makes the "ee" sound in "greet" or the "ih" sound in "kit".
The English Speaker's Guide 
You know this sound already. Just say ي. The difference is that ـِ is pronounced much more quickly.
To understand this difference, say "I object!" Then say "My object!"
The significance of this exercise is that the verb in "I object!" has a short sound for the "o". The noun in " My object!" has a long sound for the "o". The difference between ـِ and ي is the same, respectively.
ـِ is finicky. You'll need to hear the word out loud to know if the native speaker makes it an "ih" sound instead.
Sometimes, ـِ takes on a "ih" sound, like "mit", "kit", "sip", or any other word with a short "i" sound.
ـِ is finicky. You'll need to hear the word out loud to know if the native speaker makes it a short ي sound instead.
The Linguist's Guide 
This section will need help from a professional.
Additional Notes 
This letter is written below any letter in the Arabic alphabet. It is not usually written in text.
Read the following out loud. Try to figure out what the English word would be. (For the purposes of this quiz, the ـِ should be pronounced as "ih" in "tip".)
Letter number two. That wasn't so bad, was it? You are well on track for learning Arabic sounds!
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