1. There is a traditon in my family of having lunch together on the second day of Tet
-> According to my family traditon , we have unch together on the second day of Tet
2. You aren't allowed to wear your hat when oing inside the worship places
-> You must not wear your hat when oing inside the worship places
3. A lot of Vietnamese people have the custom of buying sugar canes on New Year's Eve
-> It's the custom that A lot of Vietnamese people buy  sugar canes on New Year's Eve