暇だろうが忙しかろうがあなたはその式に出なければならないでしょう。の英語

You'll have to attend the ceremony whether you are free or busy.

You have to go to the party.

You don't have to go to the party unless you want to.

You must try and come to the party.

You don't have to go to the party unless you want to.

If you don't want to go to that party, you don't have to.

You don't have to go to the party if you don't want to.

You do not have to go to the dance unless you want to.

You may go to the party but you must be home by midnight.

You may go to the party, but you must be home by midnight.

If I had had time to spare, I would have gone there. As it was, I was quite busy all that day.

At any rate, the party will have to be cancelled.

At any event, the party will have to be cancelled.

We cannot join the party. The thing is we must finish the work.

Must we really go to this party?

I'm so busy I can't attend the party.

You should have attended the meeting.

You should've attended the meeting.

Don't bring any money to the party; just bring yourself.

You can please yourself, but I'm not going to the party.

You should attend the meeting yourself.

You do not have to go to the dance unless you want to.

You don't have to go to the dance if you don't want to.

I'm too busy to attend the party.

I don't see any point in going if the party is almost over.

It's necessary for you to make the best use of your time.

You can do it at your leisure.

You ought to have come to our party.

Must I attend the party tonight?

Do I have to attend the party tonight?