Prototip modülü test ederken bileşenlerden biri ısınmaya başlamıştı.

While testing the prototype module, one of the components had begun to overheat.

Breakdown of Prototip modülü test ederken bileşenlerden biri ısınmaya başlamıştı.

• ısınmak: to warm up
• -den: from
• -ya: to
• başlamak: to begin
• prototip: the prototype
• test etmek: to test
• modül: the module
• bileşen: the component
• biri: one

Questions & Answers about Prototip modülü test ederken bileşenlerden biri ısınmaya başlamıştı.

What is the role of the suffix -ü in modülü?

The suffix -ü is the accusative marker for definite direct objects in Turkish. By adding -ü to modül, it signals “the module” as a specific entity. So prototip modülü literally means “the prototype module” (as the object of “test etmek”).

Why aren’t there any words for “the” or “a” in this sentence?

Turkish does not use articles like “the” or “a”. Definite or indefinite reference is conveyed through context and case endings. Here, the accusative -ü on modül shows that it’s a definite object (“the prototype module”).

What does test ederken mean and how is it formed?

Test etmek means “to test.” To express “while testing,” Turkish adds the suffix -erken (a form of the converb -ken) to the verb stem:
test et- + -erken → test ederken
So test ederken = “while (they) were testing.”

How does bileşenlerden biri translate as “one of the components”?

• bileşenler = “components” (plural)
• Add the ablative plural -den (“from among”): bileşenler + -den → bileşenlerden (“from the components”)
• Then add biri = “one.”
  Together bileşenlerden biri = “one of the components.”

What is the structure of ısınmaya başlamıştı?

Breakdown:

• ısın = verb root “to get warm/up”
• -ma = verb→noun (gerund/infinitive) suffix (here “warming up”)
• -ya = dative case on the gerund (“to the warming-up”)
• başla- = “to start”
• -mış = perfective participle (“had started”)
• -tı = past tense, 3rd-person singular
  Altogether ısın-ma-ya başla-mış-tı = “it had started to heat up.”

Could we use ısındı instead of ısınmaya başlamıştı?

You could say ısındı (“it got hot”), but that simply states the result. Isınmaya başlamıştı emphasizes the onset of heating (“it had begun to heat up”), so it’s more precise about the process’s start.

Can we say test yaparken instead of test ederken?

Yes. Test yapmak is another common way to say “to test.”

• test yap- + -arken → test yaparken = “while testing.”
  Both test ederken and test yaparken are correct and frequently used.