<span>In Spanish, the words</span><span> tú and </span>usted <span> both mean “you". However, tú is much less formal than </span>usted<span>.
So, you </span>use<span> tú when you're talking to someone of the same age, the same rank, or the same educational level, but when talking to someone who's considered a high rank, maybe a grandparent, you would use usted.</span>
3) Constructivist theories have in common the fact of: Select an alternative: a) Build knowledge through teacher-student interaction. b) Propose that the student participates actively in the learning process, considering the mistake as a springboard for this process. c) Construct concepts for the student, so that he acquires knowledge transmitted by the teacher. d) Elaborate cognitive schemes that allow the knowledge to be built by the student. e) Organize knowledge through mechanisms of assimilation and accommodation.
Sentence 4. Verb -Hablar-
