Yes, you use an apostrophe with the word "trustees" when indicating possession. For example, if you are referring to the decisions made by the trustees, you would write "the trustees' decisions." However, if you are simply using the word in a plural sense without possession, no apostrophe is needed, as in "the trustees met yesterday."
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
no.
No, it's not necessary. Your already shows possession. Use apostrophe after a noun and not a pronoun. Example: That's your money.
No, the word "yours" does not use an apostrophe. It is a possessive pronoun that indicates something belongs to you.
Use the apostrophe right after the letter s: fighters'
Use an apostrophe only (without the s) to the word parents if it indicates possession. Example: parents' house
When it is a possessive, use apostrophe. The waitress's coat was stolen. The waitresses' paychecks were cut.
The apostrophe in the word Billy's means Billy's ownership of something.
The word "its" does not require an apostrophe when indicating possession, as in "The dog chased its tail." However, "it's" with an apostrophe is a contraction for "it is" or "it has," as in "It's going to rain today." To determine whether to use the apostrophe, consider whether you mean possession (no apostrophe) or a contraction (with apostrophe).
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.
An apostrophe is needed: the bosses' profits = the profits of all the bosses the boss's profits = the profits of the boss When the noun is plural, the apostrophe goes at the end of the word. When the noun is singular, the apostrophe goes after the word, before the s. Hope this helps.