Breakdown of Si llueve mucho, habrá gusanos en la acera.
en
in / on / at
mucho
many / a lot
haber
to be (there is / there are)
llover
to rain
la acera
the sidewalk
si
if
el gusano
worm
Questions & Answers about Si llueve mucho, habrá gusanos en la acera.
Why is it habrá instead of habrán since gusanos is plural?
This is the golden rule of impersonal haber (when it means "there is/are" or "there will be"): it is always singular! Just as you use hay for both "there is one worm" and "there are many worms," you must use the singular future form habrá for plural objects. While you might occasionally hear native speakers mistakenly say habrán, it is considered grammatically incorrect.
Is gusanos the subject of the second half of the sentence?
Why do we use the present tense llueve when the sentence is talking about a future possibility?
When making "if/then" statements about likely future events (the First Conditional), Spanish requires the present indicative tense immediately after si (if). You then pair it with the future tense in the result clause (habrá). Saying si lloverá would be a direct translation from English that doesn't work in Spanish.
I've learned acera for "sidewalk", but is it the most common word for it in Latin America?
Yes and no; it is a highly regional word! While acera is universally understood and very standard, you will hear banqueta used almost exclusively in Mexico, and vereda is the standard everyday term in South American countries like Argentina, Chile, and Peru.
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