7. In English you often use they, you, one, or people in an impersonal or an indefinite sense meaning people in general. In Spanish you use se + the Ud. /él /ella or the Uds. /ellos /ellas form of the verb. Se habla español. Se venden computadoras baratas. El se impersonal

8. Note that you dont know who performs the action. The word that follows the verb determines whether the verb is singular or plural. Se creó una página web. Se crearon páginas web. When the word following the conjugated verb is an infinitive, the verb form is singular. Se necesita construir un nuevo edificio. El se impersonal