I have made up the sentences below.
(1a) Your actions were recorded by security camera.
(1b) Your actions were recorded by a security camera.
(1c) Your actions were recorded by security cameras.
(2a) Your actions were recorded on security camera.
(2b) Your actions were recorded on a security camera.
(2c) Your actions were recorded on security cameras.
May I ask two questions?
(A) Which preposition is correct: on or by?
(B) Which form is correct: "by security camera", "by a security camera" or "by security cameras"?
Please answer my questions. I really appreciate your time and help. Thank you.
ansonguy Please answer my questions. Unnecessary. We all know you would like us to answer your questions.
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ansonguyPlease answer my questions.
Unnecessary. We all know you would like us to answer your questions.