Early reading
Read a story with him every day, borrow or buy some picture books with the big dog at home. This story should be short and pithy. When telling a story, pay attention to adding some adjectives or idioms to enrich his language ability.
increase knowledge
You can increase his knowledge through anything you see on the road, such as the names of various animals, plants and buildings, the uses of various shops, and tell him some astronomical knowledge by looking at the sky.
Kindergarten curriculum
Review the children's songs, Tang poems and English words you have learned.