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Vlad the Vampire is writing his resume and wants to highlight his extensive, centuries-long experience. Select ALL the grammatically correct ways he can express his history.
The correct answers are I have worked in the night shift industry for 400 years and I have been working in the night shift industry for 400 years.
A few specific verbs, like work, live, and study, can be used in both the Present Perfect Simple and Present Perfect Continuous with almost no difference in meaning!
However, "own" is a stative verb showing possession, so it must be simple (have owned). Present Continuous (am working) cannot be used with "for 400 years" to describe an action starting in the past and continuing to the present.