अगर बारिश होगी, तो मैं छाता लाऊँगी।

Yes. अगर means if, and तो often marks the result clause, like then.

So the pattern is:

• अगर = if
• तो = then

In this sentence:

• अगर बारिश होगी = if it rains / if there will be rain
• तो मैं छाता लाऊँगी = then I will bring an umbrella

A very important point: तो is often used in Hindi in these conditional sentences, but in casual speech it can sometimes be omitted if the meaning is already clear.

That is a very common question. Hindi does not always follow the same tense pattern as English in conditional sentences.

Here, बारिश होगी literally looks like there will be rain, but in natural English the best translation is often just if it rains.

So:

• English: If it rains, I will bring an umbrella.
• Hindi: अगर बारिश होगी, तो मैं छाता लाऊँगी।

Hindi can use a future form in the condition clause where English normally prefers present tense after if.

So even though होगी is future, you should not force a word-for-word English structure onto it.

होगी is the feminine singular future form of होना (to be / to happen).

The expression is:

• बारिश होना = to rain / literally rain to happen

Because बारिश is feminine singular, the verb agrees with it:

• बारिश होगी = it will rain
• literally: rain will happen

So Hindi often expresses weather with a noun + होना.

Hindi commonly uses the noun बारिश (rain) with होना:

• बारिश हो रही है = It is raining
• बारिश हुई = It rained
• बारिश होगी = It will rain / if it rains

This is a normal Hindi way to talk about rain.
English uses the verb rain, but Hindi often uses the noun बारिश plus होना.

लाऊँगी is the first-person singular future form of लाना (to bring), used by a female speaker.

So:

• मैं लाऊँगा = I will bring (male speaker)
• मैं लाऊँगी = I will bring (female speaker)

The ending -ँगी shows:

• first person singular (I)
• future
• feminine speaker

That means the sentence is being spoken by a woman or girl.

Only the last verb would normally change:

• अगर बारिश होगी, तो मैं छाता लाऊँगा।

So:

• लाऊँगी = feminine speaker
• लाऊँगा = masculine speaker

Everything else stays the same.

Exactly.

There are two different agreement relationships here:

1. बारिश होगी

   • बारिश is feminine singular
   • so the future form is होगी

2. मैं ... लाऊँगी

   • with first person future forms, the verb reflects the speaker’s gender
   • so a female speaker says लाऊँगी
   • a male speaker says लाऊँगा

So the two verbs are agreeing with different things:

• होगी ↔ बारिश
• लाऊँगी ↔ the female speaker

तो helps clearly mark the result part of the condition.

• अगर बारिश होगी, तो मैं छाता लाऊँगी। = If it rains, then I’ll bring an umbrella.

In many cases, तो is optional, especially in speech, and people may say:

• अगर बारिश होगी, मैं छाता लाऊँगी।

But using तो is very common and often sounds nicely structured, especially for learners.

So:

• अगर ... तो ... = a very standard and useful pattern
• तो is not always absolutely required
• but it is often preferred for clarity

Hindi often leaves out एक when English would use a/an.

So:

• मैं छाता लाऊँगी = I will bring an umbrella
• मैं एक छाता लाऊँगी = I will bring one/an umbrella

Both can work, but they are slightly different:

• without एक: more neutral, natural in many contexts
• with एक: slightly more explicit, sometimes emphasizing one umbrella

In everyday Hindi, omitting एक is very normal.

The given order is very natural:

• अगर बारिश होगी, तो मैं छाता लाऊँगी।

Hindi word order is often more flexible than English, but not completely free.
The main idea is that the condition comes first, then the result.

You may also hear variations such as:

• अगर बारिश होगी तो मैं छाता लाऊँगी।
• बारिश होगी तो मैं छाता लाऊँगी।

The commas are just punctuation choices in writing.

For learners, the safest pattern is:

• अगर + condition, तो + result

Yes. In conversation, people often say:

• बारिश होगी तो मैं छाता लाऊँगी।

This still means If it rains, I’ll bring an umbrella.

So:

• अगर बारिश होगी, तो ... = fully explicit
• बारिश होगी तो ... = also common and natural

Hindi often allows the condition to be understood from context without needing अगर every time.

This depends on point of view.

• लाना = to bring
• ले जाना = to take

Hindi, like English, chooses between bring and take based on where the object is moving relative to the speaker or situation.

So:

• मैं छाता लाऊँगी = I’ll bring an umbrella
• मैं छाता ले जाऊँगी = I’ll take an umbrella

In many real situations, both could make sense depending on perspective.
The sentence you were given uses the bring perspective.

लाऊँगी is roughly pronounced like laa-oong-gee, with a nasalized vowel before गी.

A simple breakdown:

• ला = laa
• ऊँ = a nasalized oo
• गी = gee

So it sounds approximately like:

• laa-oõ-gee

The nasal mark ँ gives the vowel a nasal quality.
You do not pronounce it as a full separate n sound in careful speech, though learners often do at first.

Yes, it is understandable and natural enough for learners.

That said, depending on region and style, native speakers might also say things like:

• अगर बारिश हुई, तो मैं छाता लाऊँगी।
• बारिश होगी तो मैं छाता ले आऊँगी।
• अगर बारिश हो, तो मैं छाता ले आऊँगी।

These are stylistic or contextual variations.
The original sentence is a good, clear model for learning the conditional pattern अगर ... तो ... and the future forms होगी / लाऊँगी.