Eu rego a muda antes de transplantar a planta.

Rego is the 1st person singular present tense form of the verb regar (to water).

• regar = the infinitive, to water
• eu rego = I water

So in Eu rego a muda..., the speaker is saying I water the seedling...

This present tense can describe:

• a habitual action: I water the seedling before transplanting the plant
• a general procedure or routine
• even a near-future action, depending on context

In this sentence, muda is a gardening word meaning seedling, sapling, or young plant meant for planting/transplanting.

This is a very common Brazilian Portuguese use of muda in agriculture and gardening.

Be careful: muda can mean different things in other contexts, such as:

• mute / silent (as an adjective)
• a form of the verb mudar (to change)

But here, because of regar, transplantar, and planta, it clearly means seedling/young plant.

They are related, but not exactly identical.

• muda = a young plant/seedling, especially one being prepared for planting or transplanting
• planta = the more general word plant

So the sentence sounds natural in a gardening context:

• first you refer to the plant as a muda, because it is a seedling
• then a planta is used more generally as the thing being transplanted

In real usage, native speakers may switch between these words naturally depending on focus. The sentence is understandable and idiomatic in a gardening setting.

Because Portuguese often uses antes de + infinitive to mean before doing something.

So:

• antes de transplantar a planta = before transplanting the plant

This structure is very common when the subject is the same as the subject of the main verb.

Here, the sentence implies:

• Eu rego a muda antes de eu transplantar a planta

But Portuguese usually prefers the shorter version:

• Eu rego a muda antes de transplantar a planta

Using antes que eu transplante is grammatically possible in other situations, but it is a different structure and less direct here.

Because after antes de, Portuguese normally uses the infinitive.

So:

• antes de transplantar = before transplanting
• antes de sair = before leaving
• antes de comer = before eating

The verb stays in the infinitive because it is part of the expression antes de + verb.

Yes, absolutely.

You can say:

• Eu rego a muda antes de transplantar a planta.
• Eu rego a muda antes de eu transplantar a planta.

Both are correct.

The difference is:

• antes de transplantar is shorter and more natural when the subject is obvious
• antes de eu transplantar makes the subject explicit

Brazilian Portuguese often leaves the subject implicit when it is clear from context.

Portuguese uses definite articles much more often than English does.

So a muda and a planta can sound natural even where English might simply say:

• I water the seedling before transplanting the plant or even
• I water a seedling before transplanting it, depending on context

In Portuguese, the article often appears with nouns that are specific, known, or just naturally treated as identifiable in context.

This is one of those places where Portuguese sounds more article-heavy than English.

No. Portuguese often drops subject pronouns when the verb form already shows the subject.

So these both work:

• Eu rego a muda antes de transplantar a planta.
• Rego a muda antes de transplantar a planta.

Because rego clearly means I water, the pronoun eu is optional.

You might include eu for:

• emphasis
• contrast
• clarity in conversation

Yes.

You could say:

• Eu rego a muda antes de transplantar a planta.
• Eu rego a muda antes de transplantá-la.

The second version uses the object pronoun -la = it (referring to a planta).

Why transplantá-la?

• transplantar + a becomes transplantá-la
• the final r drops
• the vowel gets an accent: á
• la is attached to the verb

This is a more compact form and is grammatically correct. In everyday Brazilian Portuguese, many speakers would still prefer the full noun phrase transplantar a planta in speech.

These verbs can overlap, but they are not identical.

• regar = to water plants; the most standard verb in gardening
• molhar = to wet; more general
• aguar = can also mean to water, but is less common in everyday speech in many regions and may sound more technical, regional, or literary depending on context

So for plants, regar is usually the safest and most natural choice.

Examples:

• Regar a planta = to water the plant
• Molhar a camisa = to wet the shirt

It could be either, depending on context.

The present tense in Portuguese can express:

• a habit or routine
• a general instruction/procedure
• something happening now
• sometimes a near-future action

So Eu rego a muda antes de transplantar a planta could mean:

• I usually water the seedling before transplanting the plant
• I water the seedling before transplanting the plant (as a step in a process)

If you wanted to make it clearly past or future, Portuguese would change the verb forms:

• Eu reguei a muda... = I watered the seedling...
• Eu vou regar a muda... = I’m going to water the seedling...

Yes.

A very natural alternative is:

• Antes de transplantar a planta, eu rego a muda.

This means the same thing. The difference is just emphasis:

• Eu rego a muda antes de transplantar a planta. focuses first on what I do
• Antes de transplantar a planta, eu rego a muda. focuses first on when I do it

Both are correct and natural.

In Brazilian Portuguese, rego is usually pronounced roughly like HEH-goo or REH-goo, depending on the speaker and how carefully you compare it to English sounds.

A few useful notes:

• the r at the beginning of a word in Brazilian Portuguese is often pronounced like an English h sound in many accents
• the e in rego is an open-mid vowel, somewhat like e in get, though not exactly the same
• the final o in many Brazilian accents sounds closer to u than a strong English oh

So learners often hear something close to:

• HEH-gu

But pronunciation varies by region.

Because antes de is the normal expression for before doing something.

• antes de transplantar = before transplanting

Using para would change the meaning:

• para transplantar = in order to transplant / to transplant

So:

• Eu rego a muda antes de transplantar a planta. = I water the seedling before transplanting the plant
• Eu rego a muda para transplantar a planta. = I water the seedling in order to transplant the plant

That second meaning is different. It expresses purpose, not time.