Yes. Children's is used to show ownership.
Example: children's school
No, "childrens" should be "children's" to show possession.
You put the apostrophe in children's between the n and the s. Children is plural for child. Since children is plural adding the apostrophe s makes it possessive.
no There should never be an apostrophe in "never".
it's is a abbreviation of it is so it should have an apostrophe
It should not have an apostrophe.
The correct form is "The coats belong to the children." There is no need for an apostrophe in this sentence because "children" is a plural noun, not possessive.
The correct one should be children's toys.
Yes, as in "The children's hour"
No. Harringtons doesn't need an apostrophe.
Should not = shouldn't
Yes, the sentence should have an apostrophe to denote possession. It should be written as: "Linda and her vice presidents' are going to Brazil."
No there shouldn't be an apostrophe.