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Spanish 101A

Spanish 101B

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Adverbs in Spanish are wonderfully easy to form.

Unlike Adjectives (including articles) and nouns, adverbs do NOT need to match in number and gender since they are modifying a verb. Their forms are invariable which means they are non-changing: no worries about gender or number since verbs have neither.

And there are only a few special adverbs.

Adverbs are formed out of adjectives.

Remember that most adjectives in Spanish end in "O" in the masculine singular (default) form. Others end in "e" or a consonant. This affects how an adverb is formed.

Adjectives which end in "o" in the masculine singular form:

We change the adjective to the feminine form and add "mente" :

Lento lentA + mente: lentamente
Maravilloso maravillosA + mente: maravillosamente
Rápido rápidA + mente: rápidamente

Hey! Special Spanish adverb bonus: if the adjective has an accent mark just leave it there!

Adjectives which end in "e" or a consonant in the masculine singular form

We simply add "-mente:

Diligente + mente:
Fácil + mente:
Suave + mente:


There are a couple:

          • Bien and Mal: to do something well or poorly
            • This includes the superlatives: Mejor and Peor: to do something better/best or worse/worst
          • Mucho and Poco: to do something a lot or to do it very little