Here are some links as it is not so simple to explain

Erdinc´s answer

Manisa Turkish conditionals

The verb "olmak" is also used as "auxiliary verb" [yardımcı fiil] for some verbs, such as ;

sabırlı olmak = to be patient

inatçı olmak = to be stubborn

gerçekçi olmak = to be realist

geçici olmak = to be temporary

karamsar olmak = to be pessimistic

iyimser olmak = to be optimistic

kararlı olmak = to be determined

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sabırlı ol ! ---> Be patient !

sabırlı oluyorum --> I am being patient.

sabırlı olacağım ----> I will be patient.

sabırlı olmayacağım ---> I wont be patient.

sabırlı olmak istemiyorum ---> I dont want to be patient.

sabırlı olmam lazım --> I need to be patient.

sabırlı olmalıyım ----> I should or must be patient.

sabırlı olmak zorundayım ---> I have to be patient.

sabırlı oldum ---> I was patient.

sabırlı olabilirim ---> I can be patient.

sabırlı olabilirdim  ----> I could have been patient.

Canım affet beni ..but let a  native to explain..I just learned it and still Iam triyng to think in Turkish instead to translate in from my mother language or from English

I try to explain them with examples;

olmak = to be

Doktor olmak istiyorum ---> I want to be a doctor.

Hasta olmak istemiyorum ---> I dont want to be sick.

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olsun = let it be

Geçmiş olsun ---> Let it pass [ed]

Benim çayım şekerli olsun --> Let my tea be sugary [with sugar] [in other words " I want my tea with sugar]

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oldum = I became , [past tense]

Doktor oldum ---> I became doctor.

Hasta oldum ---> I became [got] sick

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hope this helps..may be our experts would give you a better explanations..

olmak = to be..or being

olsun = let it be

oldum = I was

maybe is not a very well done translation but maybe it helps you..anyway, listening and trying to tranlate lyrics of turkis songs it is a good way for learning..bence..

nice song of Yusuf Güney..you can take a look here

http://lyricstranslate.com/ro/dayan-bu-goenuel-bearthis-heart.html