It's important to remember that in French, adjectives must agree in gender and number with the noun they modify. So, you would say:
* Un mauvais livre (a bad book)
* Une mauvaise idée (a bad idea)
It's important to remember that in French, adjectives must agree in gender and number with the noun they modify. So, you would say:
* Un mauvais livre (a bad book)
* Une mauvaise idée (a bad idea)