1.You can mention specific occasions when you typically give gifts, such as birthdays, holidays, anniversaries, etc. 2.You can also explain the reasons behind giving gifts during these occasions, such as tradition, showing appreciation, etc.

1. 通常、贈り物をする特定の機会（誕生日、祝日、記念日など）について言及できます。 2. また、これらの機会に贈り物をする理由（伝統、感謝の意を示すなど）を説明することもできます。