If you mean What is the possessive form of Luis? it is Luis's.
One should never use an apostrophe for the word that.One should always use an apostrophe for the word that's, meaning that is.
No, it's not necessary. Your already shows possession. Use apostrophe after a noun and not a pronoun. Example: That's your money.
To contract "must" and "not," you would use an apostrophe to combine them into "mustn't."
We use an apostrophe to show possession (such as "John's car") and to indicate contractions (such as "can't" instead of "cannot").
An 's preceded by an apostrophe ('s) indicates possession or contraction (e.g., John's book, it's raining). An s followed by an apostrophe (s') is used for plural possessives where the noun is already plural (e.g., the girls' toys).
you dont use an apostrophe in will not
you do not use an apostrophe in cultures.
One should never use an apostrophe for the word that.One should always use an apostrophe for the word that's, meaning that is.
An apostrophe is used in contraction. Example: you will: you'll
There is not apostrophe in June. But, there would be apostrophe in the following example: June's car was totaled in the accident.
If you are indicating possession (Achilles' heal) use an apostrophe at the end of the word. If you are simply stating his name, there is no apostrophe.
it's (as in it is)
No
aren't
Use an apostrophe s to indicate possession.Example:Gibson's guitar strings broke last night.
When it is a possessive, use apostrophe. The waitress's coat was stolen. The waitresses' paychecks were cut.
No, it's not necessary. Your already shows possession. Use apostrophe after a noun and not a pronoun. Example: That's your money.