"That" vs. "Which": When Do You Use Each? | Dictionary.com
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WebAugust 17, 2022. To understand when to use that and when to use which, it’s important to keep in mind the difference between restrictive and nonrestrictive clauses. In formal American English, that is used in restrictive clauses, and which is used in nonrestrictive clauses. Not sure what that means? Let’s find out! How to use that vs. which.
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