that
How to Use That
Learner’s notesIn plain EnglishOne of the most common words in English — used to point things out, refer back to something, or link clauses together.
In relative clauses, "that" and "which" often overlap, but many style guides reserve "which" for non-essential extra detail set off by commas: "the car that broke down" (identifies which car) vs "my car, which is red, broke down" (extra detail).
Word Forms
those plural, those plural, thats plural
Fill the Gap
Can you complete this real example?
_____ house on the hill used to belong to my grandmother.
Etymology
From Old English þæt, the neuter form of the demonstrative that also gave us "the." It has been part of English since its earliest recorded stages.