Your formal singular in Spanish is -tu singular formal-
Answer:
ALFREDO IS THE STORONGEST PERSON IN THE FAMILY
Answer:
Both. Depends on the situation.
Explanation:
"Ti" would be you as the object. Mainly after prepositions, "ti" is always used (por ti, para ti, a ti, etc.). "Te" is also for a direct/indirect object and is used when there's no preposition.
Hey! I’m not too sure if this question is tied to notes or a lesson during class but from the general basis of the question I can assume that: Who, When, Where and Why are the words your looking for.
Hope this helps.