100 points and brainliest for the right answer! The wrong answer will be banned. Please help Take a look at the sentences below and create a general rule in your own words that you think could explain what makes a sentence grammatically correct in Spanish. Make your best guess and create your grammar rule, then see if your rule applies to the example sentences.

Example sentences:

The new student is shy.
El alumno nuevo es tímido.
La alumna nueva es tímida.

The new students are shy.
Los alumnos nuevos son tímidos.
Las alumnas nuevas son tímidas.