You are tall. --> Sen uzunsun.

My question is that why we used sun instead of sin, as as this is not i -type suffix to.

reason for this??

Thanks in anitcipation!

because of vowel harmony you can read about it with a search on tc

http://www.turkishclass.com/turkish_lesson_59

but as this is a hard word there might be "ı" instead of u. what you say??

If the first syllable of the word has a flat vowel (a,e,ı,i), other vowels of the word should be flat vowels too.

empty???? necla!!!

When you check your vowel harmony,  always focus on the very last vowel of  the word. 

Here our word is "uzun" , what is the last vowel of it ?  it is "u". So take "u" 

The suffix you want to add is second singular person [you] , so  , we have 4 option to choose for, 

sın

sin

sun

sün

and  which one would be harmonic with "u"  ? , Yes,  with given four options , it is "sun".

u ----> u  

   so,  you can attach it onto the word now.

   Uzun +   sun  ===>  Uzunsun  [ You are tall]

===================================

Another example ;

We want to say   " You are  Kashf-ul  mean  " 

what is the last vowel  in  Kashf -ul   eman      ?  

     it is  "a"

     going back to our options ;  sın

                                                 sin 

                                                 sun

                                                 sün

a ---->  i     NO

a ---> ı        YES

a  ---> u      NO

a -----> ü     NO 

Kashf -ul   eman  + sın   ----->  Kashf-ul   emansın.   ---->  You are  Kashf-ul  eman.

If  the last vowel of the word  is   a  or  ı    ---->    sın         [ Oradasın,  [Sarısın ] 

                                                     e  or  i   ---->    sin           [ Öğretmensin ,  [ İşçisin  ]

                                                     u   or  o   ---->  sun       [ Uzunsun] ,  [ Japonsun ]

                                                     ü  or   ö  ---->   sün        [ Gürcüsün ], [ Dansözsün ]    

• a or ı may be followed by a or ı
• o or u may be followed by u or a
• e or i may be followed by e or i
• ö or ü may be followed by ü or e

here are three rules of vowel harmony:

1. Back vowels are followed by back vowels, front vowels are followed by front vowels. Do not cross the back/front boundary.
2. Unrounded vowels are followed by unrounded vowels.
3. A rounded vowel may be followed by a mix of rounded closed and unrounded open vowels.

Look kash-ul-eman. Dont try to learn every principle about Turkish grammar. Even I dont remember the minor vowel harmony principles now. But I still talk properly. Read a lot and you will learn to use which form of suffix without knowing the minor vowel harmony principles.

• a or ı may be followed by a or ı
• o or u may be followed by u or a
• e or i may be followed by e or i
• ö or ü may be followed by ü or e

here are three rules of vowel harmony:

1. Back vowels are followed by back vowels, front vowels are followed by front vowels. Do not cross the back/front boundary.
2. Unrounded vowels are followed by unrounded vowels.
3. A rounded vowel may be followed by a mix of rounded closed and unrounded open vowels.

cordiously thank you both kelwona and tunci 

let me practicise it in my notes.

But gokuyum m totally lay girl for turkish language, so that i have to follow these rules and wnts to clear my concepts for avoiding to get in to hot water

i think i need 1000 times practice for this

gokuyum is right, that is what happens even to learners, believe it or not. After plenty of repeating simple phonetical rules get automatized and then you are free to forget them. But unfortunately the number of repeats needed is in thousands.

I haven´t learned that rule ever, it´s just very logical to me,when I see E it´s just logical that suffix must be with İ. Like it´s in my blood. I don´t know how,i´s just like it this.

You were a Turk in your previous life Nemanja that is why. And I was an alien, that is why I behave so weird.

Hangi  gezegen  Gok ? Belki hemşeri çıkarız. 

Hemşehricilik yapmayalım, adam kayırmayalım

i just say hope for the best every time. Slow and steady wins the race

like The Story of Rabbit and Tortoise

http://childhoodreading.com/?p=3

it was a joke

not a joke. sometime joke may turn into reality

"Sen uzunsun" is not the proper way of telling someone he/she is tall; it may easily be misunderstood.

Nice girls should always prefer "Sen uzun boylusun" instead.

who talks about boys atleast nice girls not hahaha  

0 uzun bir kadin                   she is a tall woman

sen uzun bir erkeksin             you are a tall man

"Uzun" does not mean "tall", it simply means "long".

I am a tall girl----->>>ben uzun bir kızım.

Falancell´le uzun uzun konuşun...

ohhhh then why Uzun was being used in that sentence 

I guess you could also use boylu  which means tall-long and high

but normally uzun is used

Because sometimes people don´t want to be bothered  to say the whole thing, It´s just the way of  collaquial usage , by dropping "boylu".

Everyone knows that just "uzun" doesn´t mean "tall" on its own however when you use it with a person, people will know  that the person  is talking about "tall" [the height of a person] , although it is not a proper way.,people use it that way.. its just a collaquial way.

Ayşe uzun ve zayıf bir kız  =  Ayşe uzun boylu ve zayıf bir kız  ===> Ayşe is a tall and thin girl. 

çok teşükkür edirim. this information is very fruitful.

Ayşenin bacakları, kolları, parmakları, burnu, boynu, dili vs tek tek uzun olabilir ama Ayşe uzun olmaz; Ayşe uzun boylu olur.

Millete yanlış yunluş şeyler öğretmeyin.

my try

millete  is in regards to other turks ?

Yanlış olduğunu düşünmüyorum. İkisi de günlük hayatta sıkça kullanılıyor.

He thinks, some of people on the forum teach wrong. so he says;

Don´t teach people wrong things

He calls learners as millet.

I personally think that both are used widely in practical language, and not wrong.

Hi, I remembered the vowel harmony rule like this and it was easy:

e goes with dotted letters: ö ü i

a goes with undotted letters: o u ı

The last vowel will indicate to you which vowel will follow.

After a while it will come naturally to you. Good luck with your learning!

Thank you MoustacheFan this formula is very interesting to learn.

Günlük hayatta birçok şeyi yanlış yapan tonla kişi var. Söylediğin lafın bir manası yok.

Laf olsun, asmalar budansın.