I want to form a sentence which says"I am yours" in a way that I replace "yours" with thy/thine, but I have no idea which one is correct. I've read that each one of these is used depending on what word comes after thy/thine, but in this case "yours" is the last word in the sentence, therefore it isn't followed by anything. I also have the same question for the sentence "I am hers". What word is going to be a proper replacement for "hers", given the fact that it is also the last word?

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    I suggest using them in the same way as "my" and "mine". Aug 18, 2017 at 18:32
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    I don't understand the second part of your question about a 'replacement for "hers"'. You seem to believe that there was a form of "hers" similar to "thy/thine"? Aug 18, 2017 at 18:34
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    There's no alternative to 'hers' that I am aware of, the way that 'thy/thine' is an archaic alternative for 'your/yours'. One says "It is her thing" or "The thing is hers". Aug 18, 2017 at 18:47
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    Possible duplicate of What does "thy" mean?
    – Laurel
    Aug 18, 2017 at 18:56
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    @WS2 - You misunderstand me. "thy/thine" is an archaic alternative for "your/yours", not "my/mine". There is no alternative for using "her/hers" that refers to the third person singular feminine, the way that both "you/yours" and "thy/thine" refer to the second person singular. Aug 18, 2017 at 19:07

3 Answers 3


Thy and thine are archaic forms corresponding to your and yours respectively. Use thy where you would use your (but see note at end of answer) and thine where you would use yours.

Her and hers do not have alternate/archaic forms. Her is used as a possessive the same way my or your is, and hers is used like mine or yours.

(Note: if the noun placed after thy begins with a vowel sound, use thine instead: thy book, but thine eyes. Archaically, the same was done with my and mine, but this is no longer common usage outside of some poetic use.)


Thy is similar to you; it's a determiner. Thine is akin to yours; it's a possessive pronoun. Therefore, the sentence would be, "I am thine."


For this sentence it might actually be easier and sound a lot better if you rearrange it. Instead of "I am thine.', maybe using "To thine is whom I belong."

  • To me, that actually sounds much worse.
    – herisson
    Jul 11, 2018 at 5:18
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    I think "Thou art the one to whom I belong" would be truer to the old forms than the wording you suggest.
    – Sven Yargs
    Jul 11, 2018 at 5:20
  • "To thee I belong" would also do. "Thou/thee/thy/thine"--that is to say the old second person singular forms--are almost never used in English these days, except in some religious or other deliberately archaic contexts.
    – tautophile
    Jul 11, 2018 at 6:22
  • Grammatically, this is absolutely incorrect - it is exactly equivalent to saying To yours is whom I belong. If you wish to turn the sentence around, and continue to use the archaic second-person singular forms, @tautophile gets it right; one would write/say To thee I belong. Sep 17, 2018 at 11:38
  • If you wish to more closely parallel your original suggestion, it would be Thou art to whom I belong, or, as @SvenYargs suggests, Thou art the one to whom I belong. Sep 17, 2018 at 11:39

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