grammatical number - Is the plural form of ID spelled IDs or ID . . . Yes, it can depend on the style guide you're using, but since you're clearly not using a style guide, the plural of cat is cats, and the plural of ID is IDs Simple as that There is no reason to even consider an apostrophe It conveys no additional information that the simple -s does not As to "how to tell", what do you mean?
grammar - How to write IDs of persons without using of? - English . . . "In the club I am responsible for checking people's ID" Or, "In the club I am responsible for checking IDs" It's only people that have an ID in this context, so if you say "IDs" (note the plural, which has moved from "people" to "ID", since we don't have "people" in the sentence any more), its obvious what kind of ID you're talking about
Is it appropriate to use the salutation Dear All in a work email? I have observed that in my work place, whenever a mail is sent to more than one person( like an information, meeting request or a notice etc ), the mail starts with the salutation "Dear All" This,
Is Idve proper use of the English language? While reading a book, I came across the word I'd've, as in: I'd've argued against it While it was obvious what it meant, it left me puzzled
Staff are or staff is - English Language Usage Stack Exchange Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers
Common phrases for something that appears good but is actually bad Stack Exchange Network Stack Exchange network consists of 183 Q A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers