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Tedavi yöntemi etkili.

Tedavi yöntemi etkili.
The treatment method is effective.
FromLesson 61inHardcore Turkish
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Questions & Answers about Tedavi yöntemi etkili.

Why is there no word for is in Tedavi yöntemi etkili.?
In Turkish, the present-tense copula (is/are) is usually omitted. You simply place the subject (Tedavi yöntemi) followed by a predicate adjective (etkili). The meaning “The treatment method is effective” is understood without a separate verb.
What does Tedavi yöntemi literally mean and how is it formed?
Tedavi means “treatment” and yöntemi means “method” with a 3rd-person possessive suffix -i (“its method”). Together they form a noun-noun compound: “the method of treatment,” i.e. the treatment method.
Why does yöntemi take -i but tedavi has no suffix like -in?
In Turkish compounds showing “X’s Y,” the main noun (here yöntem) gets the possessive suffix -i, while the modifier noun (tedavi) remains unmarked. So you get tedavi yöntemi (“treatment method”) without adding -in to tedavi.
Why is the adjective etkili placed after the noun instead of before it?
When an adjective is used predicatively (i.e. linked by a copula or its zero equivalent), it follows the subject. In attributive position (directly modifying a noun), it would come before: etkili tedavi yöntemi (“effective treatment method”). But as a predicate, it goes after.
How can I say “The treatment methods are effective” in Turkish?

Pluralize yöntem and keep the same structure: Tedavi yöntemleri etkili. Here yöntemleri = “its methods” (treatment methods) and etkili remains unchanged.

How do I make the sentence negative: “The treatment method is not effective”?

Use değil after the adjective. No copula is inserted: Tedavi yöntemi etkili değil. Literally: “Treatment method effective not.”

How do I turn it into a question: “Is the treatment method effective?”

Add the question particle mi (with proper vowel harmony) after etkili, then add a question intonation or ?: Tedavi yöntemi etkili mi? Note: mi agrees in vowel harmony but has no consonant changes here.

How would I say “My treatment method is effective”?

Add a 1st-person possessive to yöntem and a genitive marker on tedavi: Benim tedavi yöntemim etkili. You can drop Benim if context is clear: Tedavi yöntemim etkili.

What’s the difference between etkili and etkilidir?
  • etkili: predicate adjective with zero copula in present statements.
  • etkilidir: adds the suffix -dir, which can convey formality, definiteness, or general truths (“It is effective as a fact”). Both mean “is effective,” but -dir feels more formal or assertive.
How do I express “The treatment method was effective”?

Attach the past-tense copula -ydi to the adjective: Tedavi yöntemi etkiliydi. You can also split it into adjective + edil- if you prefer: Tedavi yöntemi etkili oldu.

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