When should I check in? vs When I should check in?

The correct phrase is 'when should I check in?' The first phrase follows the standard question structure in English, where the auxiliary verb 'should' comes before the subject 'I'. The second phrase is incorrect because it places the subject 'I' before the auxiliary verb 'should'.

Last updated: March 31, 2024 • 453 views

When should I check in?

This phrase is correct and commonly used in English.

This phrase is the correct way to ask about the timing of checking in. It follows the standard question structure in English with the auxiliary verb 'should' before the subject 'I'.

Examples:

When should I check in for my flight?
When should I check in at the hotel?
When should I check in with the receptionist?
When should I check in for the event?
When should I check in my luggage?

Show examples from the web [+]

She may be showering, should I check?
Could it be he forgot to check in?
Did a couple just check in?
Why wouldn't Jon check in?
What was so compelling that you didn't check in?
Mind if I check in the back?
You let her do this without any way to check in?
ABBOTT: How long till he checks in?
Don't you think we should do random check-ins?
Sarah, can you handle the Isolation unit until Doreen checks in?
Why did it take you four months to check in?
Did anyone see her check in?
What was so compelling that you didn't check in?
Too busy to check in? - There was...
You got a minute to check in?
Has anyone missed their scheduled check-ins?
Have you called my mother yet to check in?
How long till he checks in?
How long before Gibbs is expecting you to check in?
What should I do with the check?

When I should check in?

This phrase is incorrect in English.

This phrase places the subject 'I' before the auxiliary verb 'should', which is not the standard question structure in English. The correct form is 'when should I check in?'

Show examples from the web [+]

Any names I should check out?
You're saying I should check out mansions?
You want I should check his crevices?
Could it be he forgot to check in?
Did a couple just check in?
Why wouldn't Jon check in?
What was so compelling that you didn't check in?
Do you have a backpack we should check?
I should check in with Giles, get a situation update.
Just thought I should check in.
I should check in at home, really.
But there is somebody I should check in on.
Sh... I should check his lines?
You let her do this without any way to check in?
ABBOTT: How long till he checks in?
Don't you think we should do random check-ins?
Sarah, can you handle the Isolation unit until Doreen checks in?
Why did it take you four months to check in?
Did anyone see her check in?
What was so compelling that you didn't check in?

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When should I check in? vs When I should check in?