How to Use ‘Theirs’ Correctly: Essential Tips for B1 English
Mastering pronouns is crucial for achieving B1 level English proficiency, and today we’re focusing on a commonly misused one: theirs.
This possessive pronoun might seem straightforward, but its nuances can trip up even advanced learners.
Let’s explore its usage, history, and some common pitfalls to avoid.
Word type: Theirs is a possessive pronoun.
Meaning: Theirs indicates possession or ownership by a group of people or things previously mentioned.
It’s used to show that something belongs to or is associated with them.
Word history: The word theirs evolved from Old Norse through Middle English.
It’s derived from the Old Norse possessive pronoun þeira, which meant their or theirs.
As English developed, the word took on its current form and usage.
Antonyms: While theirs doesn’t have direct antonyms, we can consider possessive pronouns for other persons as contrasts: mine, yours, his, hers, ours, and its.
Synonyms: Theirs doesn’t have true synonyms, as it’s a specific pronoun.
However, in certain contexts, you might use phrases like belonging to them or owned by them to convey a similar meaning.
Examples use in sentences: The decision was theirs to make, and they chose wisely.
I’m not sure whose car that is, but it’s certainly not theirs.
The team worked hard, and the victory was rightfully theirs.
The children claimed the playground as theirs during recess.
The responsibility for the project’s success is theirs alone.
Common errors in use: One frequent mistake is confusing theirs with there’s or there is.
Remember, theirs never uses an apostrophe.
Another error is using theirs when their is correct.
Theirs is a pronoun that stands alone, while their is an adjective that modifies a noun.
For example, Their house is beautiful is correct, not Theirs house is beautiful.
Some learners also struggle with using theirs in place of they’re, which is a contraction of they are.
These words sound similar but have entirely different meanings and uses.
Lastly, be cautious about using theirs to refer to companies or organizations.
While it’s becoming more common in informal contexts, in formal writing, it’s often preferred to use its for singular entities.
Mastering the use of theirs will elevate your English to a more sophisticated level.
Remember its function as a possessive pronoun, use it confidently in your sentences, and be mindful of the common errors we’ve discussed.
With practice, you’ll find that using theirs correctly becomes second nature, bringing you one step closer to B1 proficiency.

