The rule is actually pretty simple: use the apostrophe after it only when part of a word has been removed: it's raining means it is raining; it's been warm means it has been warm.
In this article, we’ll explain the difference between its and it’s, provide tips about how to remember the difference, and even cover some related questions.
Explore the difference between “its” and “it’s” with rules, tips, and examples. Learn to use "its" and "it's" correctly and confidently in your writing.
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'Its' is a possessive pronoun showing ownership, like saying 'his' or 'her' for objects. 'It's' is a contraction that stands for 'it is' or 'it has,' using an apostrophe for letters left out. To choose the right word, try replacing with 'it is' or 'it has' to check for correctness.