An infinitive is the ‘to’ form of a verb, for example 'to play', 'to watch', 'to be'. In Spanish infinitives end in 'ar', 'er' or 'ir'. Conjugated verbs in Spanish A conjugated verb is broken ...

More important, Duolingo hasn’t yet taught her how Spanish verbs are conjugated: that, for example, “I speak” is “hablo” but “you speak” is “hablas” and “we speak” is ...