Prepositions
   

In Persian, prepositions precede the indirect object of the sentence, while the direct object is always followed by را ra:

from, of az [tag resources prepositions_01]از[/tag]
with bā [tag resources prepositions_02]با[/tag]
above, over bar [tag resources prepositions_03]بَر[/tag]
to, towards be [tag resources prepositions_04]به[/tag]
in, into, at, inside, over at dar [tag resources prepositions_05]دَر[/tag]
colloquial, in, inside toy-e [tag resources prepositions_06](توی)[/tag]
for barāy-e [tag resources prepositions_07]برای[/tag]
on, over, on top of ruy-e [tag resources prepositions_08]روی[/tag]
colloquial, on, over, on top of ru [tag resources prepositions_09](رو)[/tag]
under, underneath zir [tag resources prepositions_10]زیر[/tag]
over, on top of, above bālāy-e [tag resources prepositions_11]بالای[/tag]
until, till, so that, up to, as far as tā [tag resources prepositions_12]تا[/tag]
after(wards) ba’d az [tag resources prepositions_13]بعداز[/tag]
before qabl az [tag resources prepositions_14]قبل از[/tag]
except qeer az [tag resources prepositions_15]غیر از[/tag]
about, regarding, concerning rāje’ be [tag resources prepositions_16]راجع به[/tag]
about, regarding, concerning dar bārey-e [tag resources prepositions_17]درباره ی[/tag]

Some More Examples:

او از مدرسه به خانه آمد
u az madrese be xāne āmad
“He came home from school.”
من با پدرم به خانه رفتم
man bā pedaram be xāne raftam
“I went home with my father.”
مادرش در خانه بود
mādaraš dar xāne bud
“His/her mother was home.”
من برای او یک کتاب خریدم
man barāy-e u yek ketāb xaridam
“I bought him/her a book.”
مداد روی تلویزیون است
madād ruy-e televizyon ast
“The pencil is on the television.”
دفترت زیر میز است
daftarat ruy-e miz ast
“Your notebook is under the table.”
از اینجا تا آنجا
az injā tā ānjā
“From here to over there.”
آن گل بالای در است
ān gol bālāy-e dar ast
“That flower is on top of the door.”
او بعد از تو آمد
u ba’d az to āmad
“He/she came after you did.”
من قبل از او رفتم
man qabl az u raftam
“I went before him/her.”
همه غیر از جمشید رفتند
hame γeyr az jamšid raftand
“They all left except for Jamshid.”
این کتاب راجع به ایران است
in ketāb rāje’ be irān ast
“This book is about Iran.”
این کتاب درباره‌ی ایران است
in ketāb dar bārey-e irān ast
“This book is about Iran.”

As we can see, some of these prepositions take the ezāfe construction, such as برای, روی, زیر, and بالای.