Make the words plural please help its spanish

Make two sentences with preferir that is about your likes and dislikes and a friends likes and dislikes about food. (2 sentences, one sentence for you and one for friend each with preferir)

Spanish, no translator 1. translate: i have to eat. 2. translate: one must study. 3. to make a good grade, one must pay attention. para sacar una buena nota, prestar atención. 4. to make money, one must work. para ganar dinero, trabajar. 5. translate: maria has to talk.

Esta piña es mi piña. correct incorrect