You are talking to a friend about Alan. Alan now works at the airport.
You ask your friend: (how long / work / at the airport?)
A
How long has Alan worked at the airport?
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B
How long has Alan been working at the airport?
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C
How long is Alan working at the airport?
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D
How long will Alan work at the Airport?
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Solution
The correct option is BHow long has Alan been working at the airport?
Present perfect continuous tense is used to express that an action started in the past, continued to the present time and will / may continue in the future as well. The act of working at the airport started in the past, continued till the present, and may continue in the future. Hence, we will use the present perfect continuous tense here. The syntax for present perfect continuous tense is: has / have + been + verb + ing. Therefore, the correct answer is: How long has Alan been working at the airport?