- The family, yesterday, the picnic, enjoyed.
- Yesterday the family enjoyed the picnic.
- The picnic the family yesterday enjoyed.
- Enjoyed the picnic the family yesterday.
The correct sentence structure in English is Subject-Time-Object-Verb. The subject (the family) should be followed by the time (yesterday), the object (the picnic), and finally, the verb (enjoyed). The correct option (a) follows this structure.