I identified the sentence structure using the SVOMPT pattern (Subject, Verb, Object, Manner, Place, Time).
Robert lives in an apartment.
Subject: Robert | Verb: lives | Place: in an apartmentHe loves his job.
Subject: He | Verb: loves | Object: his jobHis wife teaches college courses.
Subject: His wife | Verb: teaches | Object: college coursesThey work in the mornings.
Subject: They | Verb: work | Time: in the mornings