Si no tocas la hucha, mi sobrina seguirá ahorrando para comprar un libro nuevo.

Because si introduces the condition: if.

• si no tocas la hucha = if you don’t touch the piggy bank
• Spanish puts no directly before the verb: no tocas

So the order is:

• si
  • subject understood + no
    • verb

No si would not work here.

After si meaning if, Spanish normally uses the present indicative when talking about a real or possible future condition.

So:

• Si no tocas la hucha, ... = If you don’t touch the piggy bank, ...

This is the standard pattern:

• si + present indicative + future

For example:

• Si estudias, aprobarás.
• If you study, you’ll pass.

You would not normally say si no toques here.

The subject is the understood tú = you.

Spanish often leaves subject pronouns out because the verb ending already shows the person:

• tocas = you touch

So Si no tocas la hucha means:

• If you don’t touch the piggy bank

without needing to say tú.

La hucha means piggy bank, money box, or a small container for saving coins.

It is especially common in Spain. In many Latin American countries, learners are more likely to hear words such as:

• alcancía

So for Spain-focused Spanish, hucha is a very useful word.

Spanish often uses the definite article more than English does.

Here, la hucha means the piggy bank / the money box, referring to a specific one that both speakers understand from context.

English might sometimes say the piggy bank or even just the piggy bank less explicitly depending on context, but in Spanish la sounds natural here.

In modern Spanish, a possessive like mi usually goes directly before the noun, without an article:

• mi sobrina = my niece

So:

• mi sobrina seguirá ahorrando

not:

• la mi sobrina

That older or regional structure is not standard here.

Seguir + gerund means to keep doing something or to continue doing something.

So:

• seguir ahorrando = to keep saving
• seguirá ahorrando = she will keep saving / she will continue saving

This is a very common Spanish structure:

• sigue estudiando = he/she keeps studying
• seguiremos trabajando = we’ll continue working

Because the main clause describes what will happen if the condition is met.

The sentence structure is:

• Si no tocas la hucha = condition
• mi sobrina seguirá ahorrando = result in the future

So this matches English very closely:

• If you don’t touch the piggy bank, my niece will keep saving...

Spanish commonly uses:

• si + present
• future in the main clause

Ahorrando is the gerund of ahorrar (to save).

It is like the English -ing form in expressions such as keep saving or continue saving.

Here it is part of the structure:

• seguir + gerund

So:

• seguirá ahorrando = will continue saving

On its own, the gerund does not usually act like an English noun. In this sentence it is part of a verb phrase.

Para + infinitive expresses purpose: in order to / to.

So:

• para comprar un libro nuevo = to buy a new book / in order to buy a new book

This tells us why she is saving.

Very common pattern:

• Trabajo para ganar dinero. = I work to earn money.
• Estudia para aprobar. = She studies in order to pass.

In Spanish, adjectives often come after the noun:

• un libro nuevo = a new book

This is the most neutral and literal order.

If you say un nuevo libro, it can sometimes sound more like another/newly introduced book rather than simply a book that is new. So in this sentence, un libro nuevo is the most natural choice.

Yes. Tocar has several meanings in Spanish, including:

• to touch
• to play an instrument
• sometimes to be someone’s turn or to concern someone

But in this sentence, with la hucha, the meaning is clearly to touch or possibly to mess with.

So the sense is:

• If you don’t touch / tamper with the piggy bank...

Because Spanish often omits subject pronouns when they are clear from context.

Here, seguirá already tells us the subject is él/ella/usted, and the noun mi sobrina is explicitly there anyway:

• mi sobrina seguirá...

So adding ella would be unnecessary.

Yes. It uses a very common real-future conditional pattern:

• Si + present indicative, future

In this sentence:

• Si no tocas la hucha = If you don’t touch the piggy bank
• mi sobrina seguirá ahorrando = my niece will keep saving

This is one of the most useful everyday patterns for learners to recognize and produce.