Si la plancha está demasiado caliente, la costura puede estropearse.

to be

Breakdown of Si la plancha está demasiado caliente, la costura puede estropearse.

• poder: can
• demasiado: too
• caliente: hot

Questions & Answers about Si la plancha está demasiado caliente, la costura puede estropearse.

Why is it está caliente and not es caliente?

Because caliente describes a temporary condition here: the iron’s temperature at that moment.

• estar caliente = to be hot
• ser is usually used for more permanent or defining characteristics

So in this sentence, la plancha está demasiado caliente means the iron is too hot right now, not that being hot is part of its essential nature.

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Why does the sentence use demasiado instead of muy?

Demasiado means too, while muy means very.

• muy caliente = very hot
• demasiado caliente = too hot

The sentence is warning about a negative consequence, so demasiado is the correct choice: the iron is hotter than it should be.

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Why is there a la before plancha and costura?

Spanish often uses the definite article (el, la, los, las) more than English does, especially when talking about things in a general way.

So:

• la plancha = the iron
• la costura = the seam / stitching

In English, you might say If an iron is too hot, the seam can get damaged or just If the iron is too hot..., but Spanish naturally keeps the articles here.

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What exactly does mean here?