Şu astronot yeni bir gezegen keşfederdi.

Questions & Answers about Şu astronot yeni bir gezegen keşfederdi.

Why is the root spelled as keşfed- here instead of keşifet-?
The verb is a compound of the noun keşif (discovery) and the helper verb etmek (to do). When combined, the second vowel in keşif drops out, making it keşfet-. Then, because we add the aorist suffix -er which starts with a vowel, the t at the end of etmek softens into a d, resulting in keşfed-.
What is the grammatical structure of the ending -erdi in keşfederdi?
It combines the aorist suffix -er (typically used for habits or general truths) with the past tense suffix -di. Together, they form a combined tense that means used to or would do something. Depending on the broader context, this sentence means the astronaut used to discover (a past habit) or would discover (a hypothetical action).
The translation says That astronaut, but isn't that usually o? Why is Şu used here?
Both o and şu can mean that. However, şu is used to draw the listener's immediate attention to something specific, as if you are pointing your finger at it right now. The word o is used for things that are physically further away or have already been established in your conversation.
Why is the word order yeni bir gezegen and not bir yeni gezegen?
In Turkish, when an adjective describes a noun that is also modified by the indefinite article bir (a or an), the adjective always comes first. The required pattern is Adjective + bir + Noun, so it is literally new a planet. This is a small detail from earlier levels that still frequently trips up learners!

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