Sa kaliwa ng pinto ang basurahan.

Filipino often puts the location or predicate first and the topic marked by ang later.

So:

• Sa kaliwa ng pinto = to the left of the door
• ang basurahan = the trash can

This structure is very natural in Filipino. It is like saying:

• To the left of the door is the trash can.

You can also say:

• Ang basurahan ay nasa kaliwa ng pinto.
• Ang basurahan ay sa kaliwa ng pinto.

Those are also understandable, but Sa kaliwa ng pinto ang basurahan is a very normal Filipino sentence pattern.

Sa kaliwa means on the left, to the left, or at the left side, depending on context.

Breaking it down:

• sa = in, at, on, to
• kaliwa = left / left side

So sa kaliwa literally means something like at the left side.

In this sentence, the natural English meaning is:

• to the left of the door

Here, ng pinto means of the door.

So:

• kaliwa ng pinto = the left side of the door / left of the door

This is a very common Filipino pattern:

• kanan ng bahay = right side of the house / right of the house
• harap ng paaralan = front of the school
• likod ng simbahan = back of the church

In this sentence, ng is not marking a direct object. It is linking pinto to kaliwa, giving the sense of the door.

Ang marks the topic of the sentence.

Here:

• ang basurahan = the trash can

In many Filipino sentences, the part marked by ang is the main thing being talked about.

So in:

• Sa kaliwa ng pinto ang basurahan

the sentence is telling us something about the trash can: namely, its location.

A useful way to think about it is:

• As for the trash can, it is to the left of the door.

That is not always the best English translation, but it helps explain the grammar.

Filipino does not use articles the same way English does.

In English, you usually need words like:

• the
• a
• an

In Filipino, nouns often appear without an article, and the meaning is understood from context.

So:

• pinto can mean door or the door
• basurahan can mean trash can or the trash can

The markers ang, ng, and sa help show the noun’s role in the sentence, rather than working exactly like English the or a.

Basurahan means trash can, garbage bin, or place/container for trash.

It comes from:

• basura = trash, garbage
• -han = a suffix that often refers to a place, container, or location associated with something

So basurahan is literally something like:

• a place/container for trash

This is a very common kind of word formation in Filipino.

Yes. This is a complete sentence.

Filipino often has non-verbal sentences, where the predicate is not a verb. A location, noun, adjective, or other expression can function as the predicate.

Here, the predicate is the location phrase:

• Sa kaliwa ng pinto = to the left of the door

And the topic is:

• ang basurahan = the trash can

So the sentence is complete even without a separate word for is.

Yes. That is also very natural.

• Nasa kaliwa ng pinto ang basurahan = The trash can is to the left of the door.

Nasa is basically na + sa, and in many everyday contexts it is used when stating where something is.

So both are possible:

• Sa kaliwa ng pinto ang basurahan.
• Nasa kaliwa ng pinto ang basurahan.

The version with nasa may feel a bit more explicitly locational to many learners, but both are fine.

In normal use, it is understood as a full sentence, not just a noun phrase.

That is because:

• Sa kaliwa ng pinto functions as the predicate
• ang basurahan is the topic

Together they make a complete statement:

• The trash can is to the left of the door.

If you wanted just a noun phrase like the trash can on the left of the door, you would usually build it differently, depending on what exactly you mean.

By itself, it usually means the area to the left of the door in the context being talked about, but exact perspective can depend on the situation.

This is similar to English. If someone says:

• The trash can is to the left of the door

you may still need context to know whose left is meant.

In everyday situations, people usually understand it from the most obvious viewpoint in the conversation.

Yes. This pattern is very productive.

Examples:

• Sa kaliwa ng mesa ang upuan.
  The chair is to the left of the table.

• Sa kanan ng kotse ang bisikleta.
  The bicycle is to the right of the car.

• Sa harap ng bahay ang hardin.
  The garden is in front of the house.

• Sa likod ng paaralan ang palaruan.
  The playground is behind the school.

So a very useful pattern is:

• Sa + location word + ng + reference noun + ang + topic

A very literal breakdown is:

• Sa = at / in / on / to
• kaliwa = left side
• ng pinto = of the door
• ang basurahan = the trash can

So the sentence is roughly:

• At the left side of the door, the trash can.

That sounds unnatural in English, but it helps show how the Filipino structure works. The natural English translation is:

• The trash can is to the left of the door.