- SA………………-SA   CONSTRUCTION

Verb stem + sa        Repeating Verb stem + sa  

This repetitive mood expresses our guesses  about other people´s actions, abilities, probable actions. 

Example 1 : Imagine two friends sitting at home.

 it is late at night and they are expecting no one but suddenly the doorbell rings ;

A.  Kim acaba ? ----> I wonder who is that [ ringing the doorbell ]?

B.  Olsa olsa Ahmet´tir. -----> It must be Ahmet.

There is a strong guess, The person B is almost sure. It must be Ahmet. It is because may be;

 He thinks, The only person who would come at this time of the night is Ahmet. Because, Ahmet is an only person he knows that would do it. 

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Example 2 :  

Hüseyin has a serious problem and he needs someone´s help to solve this problem. 

He´s thınking himself and saying ;

Bu sorunu çözse çözse Ömer çözer. 

The only person who can solve this problem is Ömer. 

He is sure that only Ömer is capable [able ] to solve this problem.

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Onlar gitse gitse basket maçına gider.

Only match they would go to see is Basketball match.

Here, We are guessing their action [the action they would prefer to do] 

we are sure that only game they would go to see is basketball match.

 when we use it for past tense. 

If we use the same example above;

Onlar gitse gitse basket maçına gitmişlerdir.

They must have gone to the basketball game. 

Only place they must have gone is basketball game.

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