Problems:
* Word order: The sentence structure is incorrect. In English, the subject usually comes before the verb.
* Missing verb: The sentence lacks a clear verb to connect the subject and the object.
* Missing article: "Lab" should have an article ("the" or "a") before it.
Corrected Sentence:
Here are a few options, depending on what you want to say:
* "Are you coming to the lab this afternoon?" (This is the most natural and correct way to phrase it.)
* "Will you be coming to the lab this afternoon?" (This emphasizes future plans.)
* "Are you coming to lab this afternoon?" (This is grammatically correct, but less formal and might be used in informal settings.)
Explanation:
* Subject: "You" is the subject of the sentence.
* Verb: "Are coming" (or "will be coming") is the verb, showing action or state.
* Object: "The lab" is the place you are going to.
* Time: "This afternoon" specifies when you are coming.