1. Modal verb for suggestion: "can really foster" uses 'can' to suggest possibility and give advice, which is common in IELTS Speaking Part 3.
2. Gerund as subject: "reading bedtime stories together" uses a gerund phrase as the subject of the clause, showing a higher level of grammatical complexity.
3. Not only...but also: This correlative conjunction structure ("not only helps...but it also strengthens...") is used to link two positive outcomes, making the answer more cohesive and sophisticated.
4. Present simple tense: The answer uses present simple tense throughout ("helps," "strengthens," "sets," "encourages") to talk about general truths and habits, which is appropriate for this type of question.