Almorzar (to have lunch), Costar (to cost), Encontrar (to find), Poder (to be able to/can), Volver (to return).
In language learning, particularly with textbooks like "Spanish for Dummies," "Pimsleur," or specific educational platforms, lessons are often structured around grammatical structures (estructuras) that serve as the foundation for more complex expressions. estructura 31 completar leccion 3 link