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Questions & Answers about Sen polis misin?
Why is the ending attached to the question word to make misin?
In Turkish, when asking yes/no questions with "to be" (am, is, are), the personal ending attaches to the question particle mi, not the noun. Here, -sin (you are) hooks onto mi to create misin (are you?).
Why is it misin and not mısın or musun?
The question particle follows 4-way vowel harmony based on the word right before it. The last vowel in polis is 'i'. In Turkish, if the preceding vowel is 'e' or 'i', the question particle takes the 'i' form, giving us misin.
Why isn't there a word for "a" (bir) or "officer" here?
In Turkish, you usually don't use bir (a/an) when stating someone's profession. Furthermore, the word polis is used to mean both the police institution and an individual police officer.
Can I drop the word Sen and just ask Polis misin?
Yes, absolutely! Because the -sin ending on misin already tells the listener you mean "you" (singular and informal), the word Sen is optional. Including it just adds a little extra emphasis.