In abbreviations (where every letter is capitalized), use an apostrophe to indicate that the "s" is not part of the abbreviation.
No.
A contraction is made of two words with an apostrophe. Note the apostrophe replaces a letter.
Only if you're writing about their car, house, or something else they possess. Otherwise, if your signing a card or something, no apostrophe is needed. Now, "The Alvarezs" looks odd to me. It might be better if written "The Alvarez family".
Yes, that is correct. Program belongs to year.
The word parents is a common plural noun. It requires no apostrophe.My parents gave their permission.If the word parents has a possession or belonging, it needs an apostrophe.I needed my parents' permission in writing.
No.
A contraction is made of two words with an apostrophe. Note the apostrophe replaces a letter.
an apostrophe is a punctuation mark.
Only if you're writing about their car, house, or something else they possess. Otherwise, if your signing a card or something, no apostrophe is needed. Now, "The Alvarezs" looks odd to me. It might be better if written "The Alvarez family".
It it means an ownership of Monet, an apostrophe is needed. Example: Monet's bag
No, hers is already a possessive pronoun. No apostrophe is needed.
Yes, the wage belongs to the year (as such) and therefore a possesive apostrophe is needed.
do you need an apostrophe after the s in Koreans
True
No. Most style guides suggest that the apostrophe is not needed to indicate the plural.Other than these erstwhile exceptions, the apostrophe is an indicator of possession, not plurals. Unless there is a need to avoid confusion, you can write the plural of 7 as 7s.
Because the caps lock.
An apostrophe is a punctuation mark that is used to indicate possession or to show that letters have been omitted in a contraction. In the phrase "For we are," an apostrophe is not needed as there is no ownership or contraction being shown.