Pagkatapos ng trabaho, dadaan ako sa bangko para magdeposito ng pera.

This is a very common Filipino sentence pattern: time expression first, main clause second.

• Pagkatapos ng trabaho sets the time frame: after work
• Then the main action follows: dadaan ako sa bangko
• Then the purpose: para magdeposito ng pera

So Filipino often builds the sentence like this:

When? → What will happen? → Why?

That makes Pagkatapos ng trabaho, dadaan ako sa bangko para magdeposito ng pera sound very natural.

Pagkatapos means after or afterwards, depending on the structure.

In this sentence, it is followed by ng trabaho, so it means after work.

Pattern:

• pagkatapos ng + noun

Examples:

• pagkatapos ng klase = after class
• pagkatapos ng hapunan = after dinner
• pagkatapos ng trabaho = after work

So here, pagkatapos is functioning like the English preposition after.

Because pagkatapos normally takes ng before the noun it refers to.

So:

• pagkatapos ng trabaho = after work

Using sa trabaho would usually point to location or place, meaning something like at work or to work, depending on context.

Compare:

• sa trabaho = at work / to work
• pagkatapos ng trabaho = after work

So ng is required here because it links pagkatapos to the noun phrase.

Dadaan comes from the root daan, which is connected with the idea of passing, going through, or stopping by depending on context.

In this sentence, dadaan sa bangko means something like:

• will pass by the bank
• will stop by the bank

That is the most natural interpretation here.

The form dadaan is a future/incompleted-style form of the actor-focus verb built from daan.

You can compare:

• dumaan = passed by / stopped by
• dadaan = will pass by / will stop by

Because dumaan / dadaan often implies stopping by somewhere on the way or passing through a place, not just going there in a plain neutral sense.

So dadaan ako sa bangko suggests:

• I’ll stop by the bank
• I’ll pass by the bank

This fits well when the speaker has an errand to do there.

If you used a basic motion verb like pupunta ako sa bangko, that would simply mean I will go to the bank. That is also possible, but dadaan gives a slightly more specific nuance: the bank is a stop along the way or part of the plan after work.

In neutral Filipino word order, the verb often comes first.

So:

• Dadaan ako sa bangko = natural, neutral
• Ako dadaan sa bangko = possible, but more marked or contrastive

Putting ako first can sound like:

• I’m the one who will stop by the bank
• or it can add emphasis

So the sentence uses the normal, unmarked order:

• verb + pronoun + other parts

Sa is used here because bangko is the place being passed by or visited.

So:

• dadaan sa bangko = will stop by the bank / will pass by the bank

A useful basic idea:

• sa often marks location, destination, or direction
• ng often marks a non-focus object, possession, or links nouns in many expressions

Since the bank is the location/destination of the action, sa bangko is correct.

No. Bangko can also mean bench.

But in this sentence, the phrase magdeposito ng pera makes the meaning clearly bank, not bench.

So context removes the ambiguity:

• bangko
  • deposito ng pera = definitely a financial bank

Para here means for or in order to.

It introduces the purpose of the action:

• dadaan ako sa bangko = I’ll stop by the bank
• para magdeposito ng pera = in order to deposit money

So the sentence structure is:

• main action + para + purpose/action

This is extremely common in Filipino.

Examples:

• Pumunta ako roon para kumain. = I went there to eat.
• Tumawag siya para magtanong. = He/She called to ask.

Because deposito by itself is a noun, meaning deposit.

To turn it into a verb meaning to deposit, Filipino commonly adds mag-:

• deposito = deposit
• magdeposito = to deposit

This is very common with borrowed words, especially from English or Spanish. Filipino often adapts them into verbs by adding verbal affixes like mag-.

Examples:

• magtext = to text
• mag-drive = to drive
• magdeposito = to deposit

So magdeposito is the verbal form.

Ng pera marks the thing being deposited: money.

So:

• magdeposito = to deposit
• magdeposito ng pera = to deposit money

This happens because mag- verbs are usually actor-focus, and the thing affected by the action is often marked by ng.

Compare:

• Bumili ako ng pagkain. = I bought food.
• Magdadala siya ng libro. = He/She will bring a book.
• Magdeposito ako ng pera. = I will deposit money.

So pera is the object here, and ng marks it.

Yes, it could be, depending on context.

You could say:

• Pagkatapos ng trabaho, dadaan ako sa bangko para magdeposito.

That would still be understandable, especially if it is already obvious what is being deposited.

But adding ng pera makes the sentence clearer and more complete.

No. It is very normal in everyday Filipino.

Modern Filipino uses many borrowed roots, especially for banking, technology, office life, and other modern activities. A borrowed root can still be fully natural Filipino once it takes Filipino grammar.

So magdeposito is perfectly ordinary:

• Filipino root behavior: mag-
• borrowed lexical root: deposito

That combination is common and natural.

It refers to a future action.

The main clue is dadaan, which indicates an action that has not happened yet.

Also, the purpose clause para magdeposito ng pera naturally follows that future plan.

So the overall meaning is:

• after work, the speaker will stop by the bank
• for the purpose of depositing money

In many Filipino grammar descriptions, this is called future aspect or contemplated aspect rather than tense in the strict English sense.

The comma separates the introductory time expression from the main clause.

So this is similar to English:

• After work, I’ll stop by the bank...

The comma is helpful and natural in writing, though in casual writing people may sometimes omit punctuation.

Yes. Here are some natural alternatives, each with a slightly different nuance:

• Pagkatapos ng trabaho, pupunta ako sa bangko para magdeposito ng pera.
  More directly: I’ll go to the bank

• Pagkatapos ng trabaho, magdedeposito ako ng pera sa bangko.
  Focuses more directly on the depositing action

• Dadaan ako sa bangko pagkatapos ng trabaho para magdeposito ng pera.
  Same meaning, but the time phrase is moved later

All of these are natural. The original sentence sounds especially natural if the idea is stopping by the bank after work.

A helpful breakdown is:

• Pagkatapos ng trabaho = time expression
• dadaan ako sa bangko = main action
• para magdeposito ng pera = purpose

So the logic is:

After work → I’ll stop by the bank → to deposit money

That pattern is very common in Filipino and is a useful model for building your own sentences.