Englishfor English speakers
in
Preposition
—
Used to show that something is inside something else.
The cat is in the box.
—
Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
—
Used to show movement towards the inside.
The rain came in through the window.
Prag
—
noun
(= Prague)
the capital and largest city of the Czech Republic in the western part of the country; a cultural and commercial center since the 14th century