Answer:
Step-by-step explanation:
1. El papá de Carlos sabe arreglar carros; él es mecánico.
2. La mamá de Carlos es profesora de ciencias; ella enseña biología en nuestro colegio y sabe dar consejos a los estudiantes.
Mecánico -- El mecánico is a Spanish word for a mechanical.
It's a masculine noun, and it's always accompanied by a definite masculine article, el.
Some of the synonyms: maquinal, instintivo, involuntario, automático, indeliberado.
The verbs we have are dar and enseñar.
Dar -- a verb that means to give. In this sentence, it's in the infinitive because we have a verb saber in the present in front of it. It belongs to the first group of verbs and it's regular, except in the first person singular.
Enseñar -- this verb is in present tense, in the third person singular form.
It means to teach. It's a regular verb and it belongs to the first group of verbs as it ends in AR.