det
their
theh-uh
det
1
Belonging to them.
"The kids left their bikes on the lawn."
"Their new house has a huge garden."
How to Use Their
Learner’s notesIn plain EnglishBelonging to more than one person (or, informally, to one person of unspecified gender).
Common mistake
A classic mix-up: their shows possession, there is a place, they're is short for "they are."
Easily confused with
there →
theyre
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Fill the Gap
Can you complete this real example?
The kids left _____ bikes on the lawn.
Etymology
From Old Norse þeira.