Sistematik testler yapıldıkça mekanizmanın güvenilirliği de artıyordu.

Breakdown of Sistematik testler yapıldıkça mekanizmanın güvenilirliği de artıyordu.

de
also
test
the test
artmak
to increase
güvenilirlik
the reliability
mekanizma
the mechanism
-dıkça
as
sistematik
systematic
yapılmak
to be done

Questions & Answers about Sistematik testler yapıldıkça mekanizmanın güvenilirliği de artıyordu.

What does the suffix -dıkça in yapıldıkça mean, and how is yapıldıkça formed from the verb yapmak?

-dıkça is a conjunctional suffix meaning “as…,” “whenever…,” or “the more…, the more….”
Breakdown of yapıldıkça:
yap- (do)
-ıl- (passive marker: “to be done”)
-dık (past participle: “having been done”)
-ça (as/whenever)
Altogether, yapıldıkça literally means “as it was done,” here “as systematic tests were performed.”

Why is the verb artıyordu in the past-continuous form -yordu, and how does it differ from the simple past arttı?

The suffix -yordu expresses an ongoing or habitual action in the past.
artıyordu = “was increasing” (gradually/continuously)
arttı = “increased” (simple past, a single completed event)

What is the function of de in mekanizmanın güvenilirliği de artıyordu, and why is it written separately?
de here is a clitic meaning “also/too.” It attaches to mekanizmanın güvenilirliği to show that its reliability was increasing too (in addition to something else). According to Turkish orthography, this de is written as a separate word, without an apostrophe.
Why is mekanizmanın in the genitive case and güvenilirliği in the possessive form, instead of simply saying mekanizma güvenilirliği?

Turkish uses a genitive-possessive construction for “X’s Y”:

  1. Possessor takes the genitive suffix -nınmekanizmanın (mekanizma + -nın)
  2. Possessed noun takes the 3rd person singular possessive suffix -igüvenilirliği (güvenilirlik + -i)
    Thus mekanizmanın güvenilirliği = “the mechanism’s reliability.”
How do you form the passive voice in Turkish, and why is yapılmak used instead of yapmak in this sentence?

To form the passive, insert -ıl- / -il- / -ul- / -ül- (according to vowel harmony) after the verb root. Here:
yap- (root “to do”)
-ıl- (passive) → yapıl- (“to be done”)
Since the actor isn’t specified, sistematik testler yapıldıkça means “as systematic tests were done.”

Why doesn’t the adjective sistematik take a plural suffix when modifying testler?
In Turkish, adjectives never change for number. Only the noun gets the plural suffix -ler/-lar. So sistematik testler correctly means “systematic tests.”
Can you break down the word güvenilirliği and explain each component?

Sure:
güvenilir = reliable
-lik = noun-forming suffix → reliability
-i = 3rd person singular possessive suffix → its reliability
Combined: güvenilir + lik + i = güvenilirliği (“its reliability”).

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