مدیر نمی‌تواند هر دستشویی را هر روز ضدعفونی کند.

Questions & Answers about مدیر نمی‌تواند هر دستشویی را هر روز ضدعفونی کند.

Why do we use هر دستشویی instead of همه‌ی دستشویی‌ها if we mean all the restrooms?
هر means "every" or "each" and must be followed by a singular noun. If you wanted to say "all of the restrooms," you would use همه‌ی دستشویی‌ها (hame-ye + plural noun). Both work to describe the whole group, but هر دستشویی emphasizes the action happening to each individual restroom.
Is there an Ezafe connecting هر to دستشویی and روز?
No. The word هر (every/each) is an exception to the usual noun-modifier rules. It sits right before the noun and attaches directly to it without an Ezafe. So it is simply pronounced har dastshuyi and har ruz.
We learned that را marks specific, definite objects. Why is it used here with "every restroom"?
In Farsi, words like هر (every/each), just like این (this) and آن (that), make the noun phrase grammatically definite. It refers to a specific, complete set of restrooms that the manager is responsible for, so the definite object marker را is required.
Why does the sentence end with کند instead of می‌کند?
The compound verb here is ضدعفونی کردن (to disinfect). Because it is the second verb in a chain following نمی‌تواند (cannot), it must be in the subjunctive mood. We drop the usual indicative می prefix and use the subjunctive form کند.
What is the literal breakdown of the word ضدعفونی?
ضد means "anti" or "against" and عفونی means "infectious" (related to the noun عفونت, meaning infection). So ضدعفونی کردن literally means "to make anti-infectious," which translates smoothly as "to disinfect."

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