Japanese phrase
___への参加は必要ですか？ ___ e no san ka wa hitsu yō de su ka
Meaning
Do I need to take part in ___?
When to use it
Asks whether joining a particular activity is required. This polite question checks if attendance is mandatory and works well for classes, meetings, and events.
Example dialogue
研修への参加は必要ですか？ ken shū e no san ka wa hitsu yō de su ka
Do I need to take part in the training?
いいえ、参加しなくて大丈夫です。 i i e san ka shi na ku te dai jō bu de su
No, it is okay not to join.