Expression: at fault (in the wrong)

[Goran]

English Grammar Error, Intermediate level

ESL/EFL Test #11 "I really wonder", question 8

It was concluded after the investigation had taken place that nobody was to be regarded as in fault concerning the accident.

(a) concluded
(b) investigation
(c) in fault
(d) accident

English Grammar Error, Intermediate level

ESL/EFL Test #11 "I really wonder", answer 8

It was concluded after the investigation had taken place that nobody was to be regarded as at fault concerning the accident.

Correct entries: at fault, guilty
The error was: (c) in fault

Your answer was: n/a
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why at fault and not in fault

[Alan]

Hi Goran,

The only explanation I can give is that it is a set expression - at fault. You might like to know another expression which means the same: in the wrong.

Alan
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English as a Second Language
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