Learn Hardcore Spanish (Latin America): Subo la montaña rápidamente.

In Spanish, subo is the first-person singular (yo) present tense form of the verb subir, meaning I go up or I climb. Subir is the infinitive form, and subo is the conjugated form used when speaking about yourself in the present.

Do I need to include yo before subo?

You can, but it’s optional in Spanish because the verb conjugation subo already indicates the speaker is I/yo. Adding yo isn’t incorrect, but in everyday speech, Spanish speakers often omit the subject pronoun.

What is the purpose of la before montaña?

In Spanish, nouns are usually preceded by definite or indefinite articles. Here, la indicates that we’re talking about a specific mountain. Since montaña is a feminine noun, we use the feminine article la.

Why use rápidamente instead of rápido?

Rápidamente is the adverb form, which modifies the verb subo (how you climb). Rápido can also sometimes function as an adverb in casual speech, but rápidamente is the fully correct adverb form that clearly indicates speed.

Is there any difference between subo la montaña and subir la montaña?

Yes. Subo la montaña is a complete present-tense sentence meaning I climb the mountain, while subir la montaña is the infinitive form to climb the mountain and not a conjugated sentence by itself. The infinitive would be used in contexts like Quiero subir la montaña (I want to climb the mountain).