Coordinated adverbs (-mente)

When connecting two or more adverbs ending in -mente with y (and) or o (or), Spanish uses a shortcut: only the final adverb takes the -mente suffix.

The earlier words drop the suffix and stay in their feminine singular adjective form. For example, instead of saying lentamente y silenciosamente, you say lenta y silenciosamente.

The karate master breathes slowly and silently.
El maestro de kárate respira lenta y silenciosamente.
In judo, we move continuously and serenely.
En judo, nos desplazamos continua y serenamente.

If an adjective naturally ends in -e or a consonant (like firme or eficaz), it doesn't have a separate feminine form. Just use its standard singular form.

Rather, the karate master acts firmly and calmly.
Más bien, la maestra de kárate actúa firme y tranquilamente.
You must execute the strike quickly and effectively.
Debes ejecutar el golpe rápida y eficazmente.

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