appeared is the past tense of appear. Appeared is used in the past simple tense which you use when you want to talk about something that happened in the past and is now finished. eg
The dolphins appeared just before sunset.
have/has appeared is called present perfect tense. This tense is used when you are talking about something that happened in the past and it continues now in the present (or it is important now).
The dolphins have appeared just before sunset everyday this week.
"Have appeared" is used in the present perfect tense to indicate that something occurred at an unspecified time before the present. "Appeared" is used in the simple past tense to describe an action that happened at a specific point in the past.
The three main dichotomies of linguistics are: synchrony vs. diachrony (study of language at a specific point in time vs. over time), competence vs. performance (knowledge of language vs. its use in context), and langue vs. parole (language system vs. actual instances of language use).
Use "reply" when addressing a specific message or comment. Use "respond" when providing a reaction or answer to a situation or request.
Use "was" when referring to a singular subject, and use "were" when referring to plural subjects or the second person singular (you). For example: "He was happy" (singular subject) vs. "They were happy" (plural subject) or "If I were you, I would go" (second person singular).
Use "have had" when referring to something that started in the past and continues to the present, "had" for past actions that are finished, and "have" for present actions or situations. For example, "I have had a headache for two days" (ongoing), "I had a headache yesterday" (finished), and "I have a headache now" (present).
Use 's to make a singular noun possessive (e.g., dog's bowl) and use -ies to pluralize a singular noun ending in a consonant and -y (e.g., babies).
The scheduled fight was Giovanni vs. Cartel.
can you use caw on smack down vs raw 2009
you use the brears by going on how to play smackdown vs raw.
The cast of Tupac vs. - 2004 includes: Tupac Shakur as himself
The cast of Her Diary vs. His - 2011 includes: Diana Schoutsen as Girlfriend
The cast of Markees vs. - 2013 includes: Markees Christmas as Markees
If you mean that which vs which, the former is very formal and archaic. Which is preferred.
The cast of Capitalism vs. Marxism - 2003 includes: Alexander Lindsay
The cast of Religion vs Science - 2012 includes: Paul Kirchmeyr
The cast of Grill vs. Grill - 2012 includes: Howie Drummond
The cast of Head Vs Heart - 2013 includes: Sade Alleyn
The cast of Fox vs. Fox - 2010 includes: Rick Fox