A malha fina começa com uma pendência fiscal.

In this sentence, malha fina is not meant literally. Literally, it means fine mesh or fine net, but in Brazil it is a very common expression for the tax authority’s screening system, especially for income tax returns.

The image is of a fine net that catches irregularities. So if a tax return has inconsistencies, it can cair na malha fina (get caught in the fine mesh), meaning it gets flagged for review.

So this is a fixed expression with a specific Brazilian tax-related meaning.

A is the feminine singular definite article, meaning the.

It appears because malha is a feminine singular noun:

• a malha
• uma malha

In English, the does not change for gender, but in Portuguese the article must agree with the noun:

• masculine singular: o
• feminine singular: a
• masculine plural: os
• feminine plural: as

So A malha fina = The malha fina / The tax screening system.

Because fina is an adjective modifying malha, and adjectives usually agree in gender and number with the noun they describe.

Since malha is feminine singular, the adjective must also be feminine singular:

• malha fina
• not malha fino

Compare:

• um tecido fino = a fine/thin fabric
• uma malha fina = a fine mesh

Here, even though the expression is idiomatic, the grammar still follows normal agreement rules.

Começa is the third-person singular present indicative form of começar (to begin / to start).

Conjugation:

• eu começo
• você/ele/ela começa
• nós começamos
• vocês/eles/elas começam

In this sentence, the subject is A malha fina, which is singular, so the verb is começa.

The verb começar often uses com when you want to say begin with something.

So:

• começar com algo = to begin with something

Examples:

• A aula começa com uma revisão. = The class begins with a review.
• O filme começa com uma cena forte. = The movie begins with a strong scene.

So começa com uma pendência fiscal means it begins with or starts with a tax issue/pending tax matter.

Pendência usually means something pending, unresolved, or still needing to be dealt with.

In everyday Portuguese, it can refer to many kinds of unresolved matters:

• pendência bancária = a banking issue
• pendência jurídica = a legal issue
• pendência no cadastro = a registration problem

In this sentence, pendência fiscal means an unresolved tax-related issue, discrepancy, or problem with tax records.

So it is not just a vague pending thing; in context, it means a tax problem that has not been resolved yet.

It is related, but the usage is a bit broader in Portuguese.

In Portuguese, fiscal often means related to taxes or tax/financial reporting matters. In this sentence, pendência fiscal is best understood as a tax issue or tax irregularity.

In English, fiscal often appears in expressions like:

• fiscal policy
• fiscal year

But in Portuguese, fiscal is very commonly used in tax-administration contexts.

In Portuguese, adjectives often come after the noun, much more often than in English.

So:

• pendência fiscal literally follows the pattern:
• issue tax-related

This is completely normal Portuguese word order.

Sometimes adjectives can come before the noun, but that often changes the tone or meaning. In technical or formal expressions like pendência fiscal, the adjective usually comes after the noun.

The ç is called cedilha. It makes the c sound like s before a, o, or u.

So:

• começa is pronounced roughly like ko-MEH-sa

Without the cedilla, ca would normally sound like ka, which would be wrong here.

Compare:

• casa = KAH-za
• começa = ko-MEH-sa

The cedilla only appears before a, o, and u:

• ça, ço, çu

You do not use ç before e or i, because plain c already has the s sound there:

• cedo
• cidade

Yes, but the original order is the most natural and neutral.

Original:

• A malha fina começa com uma pendência fiscal.

You could also say:

• Uma pendência fiscal dá início à malha fina.
• A malha fina se inicia com uma pendência fiscal.

These alternatives are possible, but they sound more formal or less common depending on context.

For a learner, the original sentence is a very natural structure:

• subject + verb + com
  • noun phrase

It is non-specific, which is why it uses uma (a / an).

• uma pendência fiscal = a tax issue / some tax issue
• a pendência fiscal would be the tax issue, meaning a specific one already identified in the conversation

So uma tells us this is being introduced as a type of issue or an example of the kind of thing that triggers the situation, not a previously mentioned specific issue.