One-to-one vs. one-on-one - English Language Usage Stack Exchange You may use one-to-one when you can identify a source and a destination For eg , a one-to-one email is one sent from a single person to another, i e , no ccs or bccs In maths, a one-to-one mapping maps one element of a set to a unique element in a target set One-on-one is the correct adjective in your example
pronouns - One of them vs. One of which - English Language Learners . . . I have two assignments, and one of them is done Or alternatively you need to make them two separate sentences, which means you need to replace the comma with a period I have two assignments One of them is done The second sentence reads fine as long as you follow the correct sentence case and change "One" to "one"
relative pronouns - Which vs Which one - English Language Learners . . . The "one" could imply that of the alternates only ONE choice is possible, or permitted "Which" alone could indicate several choices from the set of alterates could be selected in various combinations Of course, speakers are often very imprecise about their meanings intentions when saying "which" or "which one"
When to use 1 vs. one for technical writing? As @PeterShor points out, in this case "one" is the pronoun, and would never be numeric Beyond that, as a general rule, spell out numbers 1-9, but for technical writing, it may be appropriate to always use the numeric version when you're referring to a numeral (as opposed to the pronoun example above)
Which is correct vs which one is correct? [duplicate] When using the word "which" is it necessary to still use "one" after asking a question or do "which" and "which one" have the same meaning? Where do you draw the line on the difference between "which" and "which one" when asking a question that involves more than one answer? Example: How much is 1 + 1? Which (one) is the right answer?: A 2 B 11
Is the possessive of one spelled ones or ones? Indefinite pronouns like one and somebody: one's, somebody's The possessive of the pronoun one is spelled one's There are many types of pronouns Unfortunately, people explaining the mnemonic for remembering the spelling of its sometimes over-simplify and say something like "it doesn't have an apostrophe because it's a pronoun, like his or her"
How to correctly apply in which, of which, at which, to which . . . @Mr Hyde One can sometimes shift the preposition in writing or in speech, yes: "the party which he spoke at was" etc Bear in mind, though, that in non-literary writing, the preposition would not be shifted Which without in is not part of this question The point here is about the prepositioins –
Difference between hundred, a hundred, and one hundred? Would be a valid American English number, i e $2137, whereas in British English one would preferentially use the form This bicycle cost two thousand, one hundred and thirty seven pounds Meaning the same number - £2137 In both American and British English, you need to qualify the number with "a" or "one" when stating an exactitude, for example
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