Malakas ang ulan ngayon, kaya huwag kang lumabas.

Both are grammatical, but Malakas ang ulan is the more natural, everyday word order.

Filipino often puts the predicate first. So this structure is very common:

• Malakas = strong/heavy
• ang ulan = the rain / the topic rain

So Malakas ang ulan is literally like Strong is the rain, but in natural English it means The rain is strong or It’s raining hard.

Using Ang ulan ay malakas is also correct, but it can sound a bit more formal or more explicitly structured.

Ang is a topic marker. It does not exactly equal English the.

In Malakas ang ulan, ang marks ulan as the thing being talked about. So ulan is the topic or subject-like element of the sentence.

That is why ang ulan works as a unit:

• malakas = the description
• ang ulan = what is being described

Because Filipino often uses malakas for things that are strong, intense, or forceful, including weather.

So:

• malakas ang ulan = the rain is strong → the rain is heavy
• malakas ang hangin = the wind is strong
• malakas ang boses = the voice is loud/strong

This is a very normal and common way to describe rain in Filipino.

Filipino can express this idea in more than one natural way.

This sentence uses a noun-based structure:

• Malakas ang ulan ngayon = The rain is heavy now

But you could also use a verb-based structure:

• Umuuulan nang malakas ngayon = It is raining hard now

Both are natural. The sentence you were given focuses on the rain as the thing being described.

Ngayon means now.

In Malakas ang ulan ngayon, it tells you that the situation is happening at this time. Its position here is very natural.

You can move it in some cases, but the emphasis may change a little:

• Malakas ang ulan ngayon. = very natural
• Ngayon, malakas ang ulan. = now is emphasized a bit more

So yes, it can move, but the original placement is a very standard one.

Here, kaya means so, therefore, or that’s why.

It connects the two ideas:

• Malakas ang ulan ngayon = It’s raining hard now
• kaya huwag kang lumabas = so don’t go out

Be careful: kaya can also mean can/manage in other sentences. But in this sentence, it is clearly a connector meaning so or therefore.

The comma separates the reason from the result:

• reason: Malakas ang ulan ngayon
• result/advice: kaya huwag kang lumabas

In standard writing, this comma is helpful and natural. In very casual writing, people may sometimes leave punctuation out, but with a sentence like this, the comma is a good choice.

Because huwag is used for negative commands or prohibitions: don’t ...

So:

• Huwag kang lumabas. = Don’t go out.

By contrast, hindi is used to negate statements:

• Hindi ako lalabas. = I am not going out.

So a simple rule is:

• huwag = don’t
• hindi = not

Kang is ka plus the linker -ng.

• ka = you (singular, informal)
• -ng = a connector that links smoothly to the next word

So:

• huwag kang lumabas = don’t go out

This is the normal standard form. You may hear huwag ka lumabas in very casual speech, but huwag kang lumabas is the form learners should aim for.

By itself, lumabas can indeed mean went out/came out, depending on context.

But after huwag, it functions as the verb in a negative command:

• Huwag kang lumabas = Don’t go out

This is a good example of how Filipino verb forms do not map neatly onto English tense labels. Context matters a lot. Here, the presence of huwag makes it clearly a prohibition, not a past-tense statement.

It can mean either, depending on context and point of view.

Common meanings of lumabas include:

• to go out
• to come out
• to appear
• to be released/published

In Huwag kang lumabas, the natural meaning is don’t go out or don’t go outside.

No. Ka/kang is for one person in an informal or familiar way.

For plural or polite singular, use kayo/kayong, often with po for extra politeness:

• Huwag kayong lumabas. = Don’t go out.
• Huwag po kayong lumabas. = Please don’t go out.

So the full polite version of the sentence could be:

Malakas ang ulan ngayon, kaya huwag po kayong lumabas.