Lourdes tiene mucha hambre.
Mario tiene tres hermanos.
Nosotros somos jóvenes.
Lourdes tiene mucha hambre.
Translation: Lourdes is hungry.
Explanation: In this sentence, the subject is "Lourdes," and the verb "tener" (to have) is used to convey that she has a lot of hunger.
Mario tiene tres hermanos.
Translation: Mario has three brothers/siblings.
Explanation: In this sentence, the subject is "Mario," and the verb "tener" (to have) is used to express that he has three brothers.
Nosotros somos jóvenes.
Translation: We are young.
Explanation: In this sentence, the subject is "nosotros" (we), and the verb "ser" (to be) is used to describe our state, indicating that we are young.