Bold answers:
Es necesario que (yo) vaya a casa temprano para ayudar a mi mamá.
It is necessary that (I) go home early to help my mom.
Es bueno que (la universidad) tenga muchos cursos por semestre.
It is good that (the university) has many courses per semester.
Es malo que (ellos) coman justo antes de ir a nadar a la piscina.
It's bad for them to eat right before going swimming in the pool.
Es urgente que (Lara) firme estos documentos legales.
It is urgent that (Lara) sign these legal documents.
Es mejor que (tú) conduzcas más lento para evitar (avoid) accidentes.
It is better for you to drive slower to avoid (avoid) accidents.
Es importante que (ella) no derrame la pintura en la mesa.
It is important that (she) does not spill the paint on the table.
Es bueno que (tú) lleves las fotos para verlas en la fiesta.
It is good that (you) take the photos to see them at the party.
Es necesario que (él) conozca la casa antes de comprarla.
It is necessary that he (he) knows the house before buying it.
Es malo que (nosotros) no saquemos la basura todas las noches.
It's bad that (we) do not take out the garbage every night.
Es importante que (ustedes) hagan los quehaceres domésticos.
It is important that (you) do the housework.
Step-by-step explanation: In Spanish grammar, the subjunctive mood is a verb mode that is often used in subordinate sentences to express desires, orders, emotion, possibility, judgment, opinion, need, or statements that are contrary to current events.