Meaning:
How long have you worked here?
Examples:
- How long have you worked here, Mr Ludlow?
- How long have you worked here, Alice?
- How long have you worked here, Les?
- How long have you worked here, sam?
- How long have you worked here for?
- How long have you worked here?
- How long have you worked here?
- How long have you worked here?
- How long have you worked here?
- How long have you worked here?