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Is it preformed a service or performed a service?

Answer:
It's performed a service.
Perform is to carry out or execute, such as performing a mirace, or service!
Preform is to determine or decide beforehand, such as preform an opinion. Remember it as pre means before and form is self explainatory :)
First answer by ID2336142624. Last edit by ID2336142624. Question popularity: 15 [recommend question].