How to say in Czech: Who opened the window?

English
Who the
Czech
Kdo otevřel okno?
Can I open the window?
Why is the window open?
The window is open.
The windows are open.
Who broke the window?
Who jumped out of the window?
He jumped out of the window.
I broke the window.
Do not throw anything out of the window.
The window is broken.

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