- At the party, last night, danced, they.
- They danced at the party last night.
- They danced last night at the party.
- Danced they at the party last night.
The correct sentence structure in English is Subject-Verb-Place-Time. The subject (they) should be followed by the verb (danced), then the place (at the party), and finally, the time (last night). The correct option (b) follows this structure.
