1

Which of the following sentences is correct and why:

It'll perform checks on itself

or

It'll perform checks in itself

I'm writing about a computer system that is going to perform checks in order to make sure it's not being modified.

3
  • Both are suspect. What is your context?
    – Hot Licks
    Commented Oct 14, 2017 at 1:42
  • I'm writing about a computer system that is going to perform checks in order to make sure it's not being modified
    – Trey
    Commented Oct 14, 2017 at 1:43
  • It will check itself.
    – Nigel J
    Commented Oct 14, 2017 at 6:27

1 Answer 1

2

The first sentence is correct; the second is incorrect. This is because 'check (up)' can be used with 'on' preceding an object (not 'in' or 'at' or another preposition).

E.g. I'll check (up) on you tomorrow = I'll see how you're doing.

1
  • I can check in to my flight at the airport.
    – Nigel J
    Commented Oct 15, 2017 at 19:09

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