Summarize the following:
” This is the standard phrase used to ask someone how he or she is. It can be used in any situation, but it is most frequently associated with formal situations, strangers, and elders.  The correct pronunciation of the phrase is kom-mohn tay-lay voo.   Comment means "how."  Allez is a conjugated form of the verb "aller," meaning "to go."  Vous means "you." A more literal translation of this phrase would be, "How do you go?" " This is a less formal, more casual way of asking someone how he or she is, so it should only be used for people with whom you are familiar.  This phrase is roughly pronounced, koh-mohn sah vah.   Comment means "how."  Va is another conjugated form of the verb aller, meaning "to go."  On its own, ça is a pronoun meaning "it."  A more literal translation would be, "How does it go?" " A very informal way of asking “how are you?” is to simply ask, “ça va?”  Pronounce the question as sah vah.  A more literal translation would be, “does it go?” It is, however, somewhat similar to asking someone in English, “What's up?” " While similar to the formal, polite form of the question, this phrase is used in casual settings among friends.  Pronounce this question as koh-mohn vah too.   Comment means "how," vas is a conjugated form of the verb "aller," and tu is an informal way to say "you." Translated literally, the question asks, "How do you go?"

Summary:
Politely ask, "Comment allez-vous? Ask friends and family "Comment ça va? Shorten the question to "Ça va? Change it to "Comment vas-tu?