Moj auto je ispred kuće, a pas je iza kuće.

to be

Breakdown of Moj auto je ispred kuće, a pas je iza kuće.

• kuća: house
• pas: dog
• auto: car

Questions & Answers about Moj auto je ispred kuće, a pas je iza kuće.

Why is it moj auto and not moja auto or moje auto?

Because moj has to agree with the grammatical gender of auto.

Even though auto ends in -o, it is commonly treated as masculine in Serbian, largely because it is a shortened form of automobil, which is masculine. So you say:

• moj auto
• ovaj auto
• taj auto

This is one of those places where the ending does not tell the whole story.

Why is it kuće and not kuća after ispred and iza?

Because both ispred and iza require the genitive case.

The basic dictionary form is kuća.
Its genitive singular form is kuće.

So:

• ispred kuće = in front of the house
• iza kuće = behind the house

This is a very common pattern in Serbian: certain prepositions always trigger a specific case, and here that case is the genitive.

What does a mean here? Why not i?

In this sentence, a connects two clauses with a slight sense of contrast or comparison.

So a often means something like: